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Founding Data Engineer - Join Our Innovative Team

flora

Full-time|On-site|New York City

About FLORAAt FLORA, we are revolutionizing the creative landscape by providing innovative tools tailored for the modern creative class. Our intelligent canvas integrates cutting-edge AI models designed for professional craftsmanship. With a passionate team of approximately 40 individuals, we are proudly backed by leading investors such as Redpoint Ventures,…

Mar 10, 2026

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Founding Engineer - Innovate the Future of Fashion Shopping

doji

Full-time|On-site|New York City

Join Our Visionary TeamAt doji, we are revolutionizing the fashion shopping landscape with cutting-edge AI avatars that enable personalized try-ons, social discovery, and dynamic shopping experiences. Based in the heart of New York City, we are a tight-knit team dedicated to reimagining fashion through innovation and creativity.Our ethos centers on playfulness, individuality, and self-expression, driven by a blend of advanced AI research and a keen understanding of modern culture. With a track record of creating products that have impacted millions at industry giants like Apple, DeepMind, Meta, and Shopify, we are now proudly supported by visionary investors behind OpenAI, Cursor, and SKIMS.Your Role as a Founding EngineerWe are searching for a proactive founding engineer who thrives in a fast-paced environment and is capable of diving deep into complex problems. Initially, your work will encompass a variety of tasks: one week, you may develop an initial prototype; the next, you might enhance a feed ranking algorithm, troubleshoot a slow endpoint, or construct essential infrastructure for the team. As our company scales, you will take ownership of projects aligned with your strengths.This is an on-site position at our NYC office.The ideal candidate will possess a T-shaped skill set: versatile enough to navigate AI, backend, data, and product domains, yet have significant depth in at least one of these areas:AI Product Systems: Experience with diffusion pipelines, batch LLM workflows, vector search, evaluations, structured outputs, and reliability within real product constraints.Recommendation Systems and Personalization: Knowledge of retrieval and ranking systems, embedding-based search, learned rankers, user behavior sequence modeling, and online experimentation.Core Product Infrastructure: Expertise in databases and query optimization, data warehousing, infrastructure as code, deployment, and observability, with insights into typical latency, reliability, and cost issues.As a Founding Engineer, your responsibilities will include:Rapidly developing end-to-end prototypes.Delving deep into optimizations: refining the feed ranker, profiling slow endpoints, debugging complex race conditions, and identifying memory leaks.Overseeing personalization processes end-to-end: retrieval, ranking, cold-start challenges, and ensuring recommendations remain fresh and relevant.Delivering infrastructure components that the team relies on: data pipelines, internal tools, evaluation systems.

Apr 30, 2026

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Founding Team Member – Operations & Go-To-Market Strategy

Amari AI

Full-time|On-site|New York City

Join the Founding Operations TeamAt Spur, we are revolutionizing the software testing industry with cutting-edge AI solutions and an unwavering dedication to customer satisfaction. Established by Yale graduates with experience from Figma and DeepMind and supported by top-tier investors like Y Combinator, First Round Capital, Neo, Pear VC, and Conviction, Spur is redefining quality assurance from the ground up. We empower some of the world’s fastest-growing engineering teams to elevate their development speed and improve user experiences.As our inaugural Operations team member, you will collaborate directly with our CEO and co-founders, taking the lead on impactful projects across marketing, sales, and go-to-market (GTM) strategies. This is a unique opportunity to shape Spur's daily operations and gain invaluable insights into launching a thriving startup. Key ResponsibilitiesEnhance Spur’s Brand Voice: Cultivate and expand our presence on LinkedIn and Twitter by crafting compelling narratives that engage our target audiences.Implement Go-To-Market Strategies: Collaborate closely with the CEO to execute strategic initiatives and monitor progress in customer acquisition.Fuel the Sales Pipeline: Identify, qualify, and nurture high-potential leads, facilitating Spur's transformation of interest into measurable impact.Manage Operations Seamlessly: Organize events, coordinate logistics, and ensure Spur presents itself impeccably at conferences and networking events.Create Marketing Collateral: Collaborate with our design team to produce sales presentations, marketing materials, and internal documentation that align the team. Ideal Candidate ProfileComfortable with Uncertainty: You thrive in the process of building something from scratch and enjoy navigating through unknown challenges.Strategically Inquisitive: You actively seek ways to enhance operational efficiencies and improve the team's external representation.Skilled Storyteller: You have a talent for crafting engaging content, whether for social media or presentations.Passionate about Community Building: You derive energy from connecting people and fostering supportive environments.Proficient in Execution: You are organized, driven, and skilled in transforming ideas into actionable steps. Preferred QualificationsBonus Points: Experience in startup environments, familiarity with software testing, or a background in marketing/sales would be advantageous.

Apr 20, 2025

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Founding Backend Engineer

fuku

Full-time|$160K/yr - $200K/yr|On-site|New York, New York, United States

Founding Backend EngineerCompany Overviewfuku is an innovative and rapidly expanding social shopping platform co-founded by Phoebe Gates and Sophia Kianni. With a user base exceeding 350,000 and an impressive 90% retention rate, fuku is at the forefront of transforming online shopping through community engagement, personalized experiences, and AI-driven recommendations. Join our dynamic, mission-oriented founding team and play a key role in defining the future of social commerce.Key Job Information- Location: New York City (relocation support provided)- Work Type: On-site, full-time- Required Experience: 3+ years- Salary Range: $160,000 – $200,000 per year- Visa Sponsorship: Available for H-1B, O-1, OPTRole SummaryIn the role of Founding Backend Engineer, you will take ownership of and enhance fuku's data infrastructure, essential for powering search, personalization, and recommendations. Collaborating closely with the CTO and machine learning engineers, you'll design robust data pipelines, architect backend systems, and establish best practices for backend engineering. This is a unique founding opportunity where you will have substantial product and technical ownership.Responsibilities- Design and implement backend systems for fuku's recommendation engine and shopping experience.- Develop and maintain data pipelines for processing large-scale datasets from diverse sources.- Create reusable APIs and microservices for core product functionalities.- Collaborate with the ML team to integrate machine learning models into production.- Ensure system reliability, scalability, and maintainability across the backend stack.- Set and uphold backend engineering standards and technical best practices.Requirements- At least 3 years of backend engineering experience.- Strong expertise in Python and cloud platforms (AWS/GCP).- Practical experience in building data pipelines and microservices architectures.- Familiarity with Airflow, gRPC, GraphQL.- In-depth knowledge of search and vector database technologies, including: - HNSW (Hierarchical Navigable Small World) - OpenSearch / Elasticsearch - Approximate Nearest Neighbor (ANN) frameworks- Exceptional system design and problem-solving capabilities.- Willingness to work in-person in New York City (relocation assistance provided).Benefits & Perks- Competitive salary with equity in the company.- Comprehensive health, vision, and life insurance.- 401(k) plan with company matching.- Complimentary daily lunches, snacks, and late-night Ubers.- Opportunity to work closely with founders and early team members, influencing product and technical direction.Interview Process1. Introductory chat with the Head of Recruiting2. Technical interview3. Coding assessment4. CTO interview5. Onsite interview (technical + cultural fit)6. Offer extended7. Onboarding

Dec 9, 2025

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Founding Software Engineer

OuterSignal

Full-time|On-site|New York City

Join OuterSignal as a Founding Software EngineerAt OuterSignal, we are pioneering the customer intelligence layer for commerce. While brands track orders, they often miss the larger picture, seeing only about 5% of the complete narrative. We provide insights into the remaining 95%, revealing not just who purchased, but also key information about those individuals — including executives, influencers, journalists, retail buyers, investors, and loyal customers who can become a brand’s strongest advocates. Our innovative platform enhances every order in real-time with both professional and personal signals, enabling smarter outreach, improved analytics, and better business development leads. In just six months, we've partnered with over 150 brands and are experiencing a monthly growth rate of 50%. Our small, high-performing team is committed to building a category-defining platform for e-commerce customer intelligence, supported by a world-class group of investors.Your Responsibilities:Design and manage core systems that handle millions of orders via APIs and LLM pipelines.Develop queue-based microservices utilizing Redis, Node.js, TypeScript, PostgreSQL, Docker/Kubernetes, and Vercel.Integrate vector databases and RAG pipelines to enhance customer profiles, making them smarter, faster, and more searchable in real-time.Deliver features end-to-end: from APIs to dashboards and integrations (including Shopify, Klaviyo, Slack, Zapier, and Gorgias).Ensure compliance with privacy regulations and best practices.Collaborate closely with the founding team on product vision, roadmap, and future hiring of engineers.Your Profile:5+ years of engineering experience, particularly in backend infrastructure and distributed systems.Proven experience in a fast-paced startup environment or a strong willingness to adapt to dynamic work conditions.Proficient in JavaScript/TypeScript (Node), with additional familiarity in Python and Machine Learning being a plus.Experience with vector databases (such as Pinecone, Weaviate, pgvector) and RAG architectures.Comfortable designing schemas and scaling PostgreSQL databases.Bonus if you have experience building applications around LLMs, Shopify, or data privacy frameworks.Above all, you desire ownership of your work. You thrive in rapid development environments, enjoy tackling complex challenges, and are not deterred by the chaos that often accompanies early-stage projects.

Dec 5, 2025

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Founding Platform Engineer

Savvy

Full-time|On-site|NYC Office

Join Savvy as a Founding Platform Engineer, where you will play a pivotal role in building innovative solutions that power our platform. As a key member of our team, you will collaborate closely with cross-functional teams to design, implement, and optimize our backend systems. Your expertise will help shape the technological backbone of our services, ensuring scalability and reliability.

Mar 10, 2026

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Founding Engineer - Fullstack

DiligenceSquared

Full-time|On-site|New York City

Join us as a Founding Software Engineer with extensive full-stack development expertise to shape the future of our innovative AI platform tailored for market due diligence. You will take full ownership of developing features from the ground up—spanning AI-driven backend systems to sleek frontend interfaces utilized by investment professionals in Private Equity, Hedge Funds, Private Credit, and Corporate M&A to guide billion-dollar decisions.About DiligenceSquaredDiligenceSquared revolutionizes commercial due diligence for Private Equity funds. Backed by Y Combinator, we recently secured a substantial Seed round, and our clientele includes some of the largest PE funds globally.The market is valued at over $10 billion annually, with PE funds investing $500,000 to $1 million per report with firms like McKinsey, BCG, and Bain. Our AI solutions provide these services faster, more cost-effectively, and with superior accuracy compared to traditional methods.Our founders have firsthand experience in this domain, having traded these reports while holding senior positions at Blackstone and BCG. We possess profound insights into the workflows and are now focused on automating these processes.Your Responsibilities:Develop new product features and user experiences end-to-end, from database schemas to API endpoints, and integrate them with UI components for our web application and AI Voice Agent.Design and build AI-powered modules from scratch (e.g., market sizing, competitive analysis) that will be integral to our research platform.Establish and manage product foundations across the stack, including AI agent orchestration, voice AI pipelines, interactive data visualizations, application and API performance, and intelligent automations.Incorporate lessons learned from every project into the product development, ensuring continuous incremental improvements (the Law of Compounding is critical, especially for a company founded by investment experts).Qualifications:Minimum of 3 years of professional full-stack development experience.Strong command of React/TypeScript and Python.Experience in developing intelligent systems using LLM platforms (e.g., Anthropic, OpenAI).Extensive hands-on experience with LLMs in production, focusing on building reliable intelligent systems.Proficient with PostgreSQL and SQL database architecture.Familiarity with modern frontend architecture, state management, and API design.

Dec 10, 2025

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Founding Engineer - Infrastructure and Backend

Amari AI

Full-time|On-site|New York City

Overview: Spur is the AI QA Engineer for every company.Location: New York CityAt Spur, we create groundbreaking technology designed to redefine quality assurance: autonomous browser agents that think, explore, validate, and self-heal like actual users. We aren’t just another testing tool; we are revolutionizing the way digital teams deliver with confidence.The market response has been resounding. Leading brands such as Alo Yoga, Living Spaces, HelloFresh, Nextdoor, and Abercrombie & Fitch are actively engaging with us. Demand is skyrocketing, sales cycles are swift, and our product delivers — teams can go live in days, not months.Our elite team comprises builders from DeepMind, Figma, and former founders who are producing at a pace that larger companies cannot match.Our Mission: We aim to empower our customers to deliver exceptional digital experiences.Explore our Manifesto: https://www.spurtest.com/founders-letterThe RoleAs the founding engineer specializing in infrastructure and backend, you will design the core architecture of Spur’s platform—defining, building, and scaling critical infrastructure that powers our web agents.You will oversee our entire stack from top to bottom, orchestrating vast fleets of browsers and web agents in the cloud while optimizing them for massive scale. Collaborating closely with the founders, you will tackle pioneering infrastructure challenges that have a direct impact on our customers and set the benchmark across our stack, from low-level infrastructure to the user experience delivered by our agents.What You Will DoBuild and scale our core infrastructure to deploy and manage thousands of browser and web agents daily.Design, implement, and maintain our clusters, CI/CD processes, observability, and best practices.Rapidly iterate in collaboration with product, engineering, and the founders.Bonus PointsExperience with distributed task queues and optimizing performance/scalability.A history of generating impact in small teams and scaling infrastructure from the ground up.You Will Excel Here If YouHave 5+ years of experience designing, deploying, and managing infrastructure at scale.Possess deep expertise in Docker and cloud technologies.

Jan 21, 2026

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Founding Full-Stack Engineer

Sailor Health

Full-time|Remote|USA

About Sailor HealthSailor Health is dedicated to addressing the urgent mental health crisis affecting older adults. In the U.S., seniors are the demographic with the highest suicide rates but often lack adequate mental health services. With projections indicating that by 2030, over 65 million seniors will represent nearly a quarter of the U.S. population, this issue demands immediate attention.We are developing an innovative platform focused on senior mental health, facilitating connections between older adults, therapists, healthcare professionals, and insurance providers. Our AI-driven operating system enhances care coordination, provides real-time clinical insights, and simplifies insurance billing, allowing therapists to dedicate more time to compassionate care.Our rapid growth and partnership with Medicare enable us to deliver exceptional and affordable psychotherapy to hundreds of patients. We are proud to have the support of distinguished founders from Ramp, Nourish, Headway, Charlie Health, and Spring Health.⭐ About the RoleLocation: HQ - New York City - Remote.We are seeking a Founding Full-Stack Engineer who will spearhead the development of our AI-enhanced platform from its architectural design through to launch. You will collaborate closely with our co-founders to establish the systems and AI infrastructure that drive our platform, including tools for therapists and care navigation support.This is a unique opportunity to create and launch an AI-first product from the ground up at a startup that has achieved exceptional product-market fit. You will be responsible for significant technical decisions, influence our engineering culture, and rapidly bring innovative ideas to fruition. If you thrive in a fast-paced environment and seek to make a meaningful impact through your coding, we want to connect with you.

Jan 5, 2026

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Founding Growth & Marketing Specialist

Petra Labs

Full-time|On-site|New York City

Overview of the RoleAs the initial dedicated professional for driving growth at Petra Labs, you'll play a pivotal role in scaling our operations. Currently, our growth primarily stems from inbound inquiries and referrals linked to satisfied customers. While this approach is effective, it lacks scalability, and we believe there is untapped demand to explore.We are seeking an innovative thinker who can collaborate closely with our leadership team to construct a robust go-to-market (GTM) strategy from the ground up. Your focus will be on generating qualified enterprise leads, crafting educational content for a market that is just beginning to recognize our category, and executing experiments across various channels to identify effective conversion tactics.In this founding role, you will own the marketing function, influence strategic decisions, and maintain a direct connection with the founders. As a seed-stage company, we offer significant equity opportunities for early team members who are eager to build something meaningful rather than merely joining an existing framework.Your ResponsibilitiesPipeline & Demand GenerationDesign and execute targeted outbound marketing campaigns aimed at enterprise marketing leaders (VPs/CMOs) in new verticals.Establish lead qualification criteria, as we aim to onboard only one client per vertical, prioritizing targeting precision over sheer volume.Develop and refine landing pages, email sequences, and paid marketing campaigns.Monitor and report on key pipeline metrics; take ownership of the funnel from initial awareness to qualified opportunities.Content Creation & Category DevelopmentProduce insightful content that educates the market about AI search optimization, including blog posts, LinkedIn articles, case studies, and data reports.Transform client success stories into compelling proof points (e.g., citation share gains, improvements in prompt rankings).Position Petra Labs as a leading authority in the emerging category we are defining.Assist the founders in establishing thought leadership by providing ghostwritten content, talking points, and social media strategies.Marketing Operations & ExperimentationSet up and manage our CRM, email automation, and analytics systems.Conduct rapid experiments to test different channels, messaging, formats, and audiences.Create repeatable playbooks based on what works; discontinue what doesn’t.Oversee marketing budgets and track return on investment (ROI).

Mar 5, 2026

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Senior/Staff Founding Engineer

Noto

Full-time|Hybrid|New York City

Join Noto as a Founding Engineer!At Noto, we are revolutionizing the way after-school businesses operate by creating an AI-native operating system tailored for tutoring centers, music schools, and sports academies. Our goal is to empower the 150,000 after-school businesses across the U.S. with a seamless platform that modernizes outdated tools and eliminates the chaos of spreadsheets.With our recent funding of $3.8M seed from esteemed investors like Base10 Partners and South Park Commons, we are poised for rapid growth.Founded by visionary technical leaders, AJ Ding (CEO) and Steve Wang (CTO), we are based in NYC and are in the process of building a passionate team dedicated to quality, user experience, and making a significant impact.Become part of our mission to empower small-business owners within local communities!(Our team enjoying karaoke with a valued customer)Meet Our Founders AJ Ding (CEO) - A second-time founder with a background in AI recruiting and experience as a machine learning engineer and data scientist at Quora, Lyft, and Meta. AJ holds a degree in Statistics from Yale and has a personal connection to small business ownership.Steve Wang (CTO) - Previously the Head of Engineering at Nitra, Steve has extensive experience in data science and engineering at Lyft. He studied math at Harvard and has Canadian roots.Work Environment 4 days in-office (Union Square area)1 day remote per week1 week per quarter to work from anywhereOpportunities for occasional travel for team off-sites and client visitsOur Company Culture Strong Team Spirit: We collaborate closely and celebrate our shared achievements.Impact-Driven: We prioritize meaningful work that makes a difference.

Jul 10, 2025

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Founding Software Engineer | Healthcare

EliseAI

Full-time|On-site|New York City

About EliseAIAt EliseAI, we are transforming critical industries such as housing and healthcare. Everyone deserves a secure home and access to quality healthcare, yet both can often be difficult to attain. By seamlessly integrating AI agents into current workflows, we enhance efficiency, lower costs, and elevate the overall experience for users.Housing: We streamline the process for renters to tour apartments, sign leases, submit maintenance requests, and maintain communication with their property teams—bringing every essential service for their home into a single platform.Healthcare: We simplify the scheduling of appointments, the completion of intake forms, and enhance communication between patients and providers, allowing everyone to focus on health rather than paperwork.With EliseAI, organizations can minimize manual tasks, enhance accessibility, and provide a seamless experience across vital services. We recently secured a $250 million Series E funding round spearheaded by Andreessen Horowitz to propel this mission forward.About The RoleEliseAI is venturing into a new sector: healthcare. We are in search of a Founding Software Engineer to play a pivotal role in establishing our new business unit. You will be working in a startup environment within a startup, driving transformative changes in the healthcare landscape.As a Software Engineer at EliseAI, your role will extend beyond mere coding; you will develop software that enhances business operations and positively impacts lives. Instead of adhering to a predefined playbook, you will be creating one. Each day will present challenges to identify methods for scaling and executing our vision. You will collaborate with a small team of top-tier engineers, taking on substantial ownership, leading projects, and witnessing your ideas come to fruition.Key ResponsibilitiesDevelop systems that promote autonomous operations in healthcare, optimizing communication and administrative workflows.Collaborate directly with customers to design and manage new product features from conception to deployment.Enhance the scalability and reliability of our core infrastructure.Suggest and implement impactful improvements to our applications.

Jun 20, 2025

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Founding Engineer at Pom Health | New York City

Amari AI

Full-time|On-site|New York City

Join the Pom Health TeamPom Health is revolutionizing the healthcare landscape with a focus on the joys of food. Our mission is to empower clinicians to integrate nutrition and lifestyle guidance into standard care practices.In the United States, 130 million people face chronic diseases linked to their dietary choices. Heart disease, diabetes, and obesity account for a staggering 85% of our $4 trillion healthcare expenditure. Despite this, there is no systematic approach for doctors to prescribe nutrition—a critical intervention.At Pom, we are changing this narrative. We collaborate directly with healthcare professionals to provide personalized, culturally-sensitive nutrition care through our skilled dietitians and AI-driven coaching, seamlessly woven into existing clinical workflows. We believe food should be a central component of a patient's care plan.Our passionate, multidisciplinary team—comprising clinicians, technologists, and operators—consists of 15 dedicated individuals. We are proud to have secured over $5.3 million in funding from esteemed investors such as NextView Ventures, Female Founders Fund, Flare Capital, and Pear Ventures, alongside the co-founder of Instacart. With our initial practice customers onboard, we have already positively impacted hundreds of patients.If you share our vision and wish to make a significant difference for countless individuals through your technological contributions, we would be thrilled to connect!Role OverviewAs a Founding Engineer, you will play a pivotal role in shaping Pom's foundational development. This position transcends traditional engineering tasks—you will have genuine ownership in building our product, platform, and team culture.In collaboration with the founders and our early team, your responsibilities will include:Developing our core product: You will create the infrastructure that merges high-touch nutrition therapy with AI coaching and engaging food content, guiding patients through impactful, incremental changes.Ensuring seamless integration: Your work will facilitate access to Pom's services at the point of care in clinical settings.Preparing for scalable growth: You will make foundational technical decisions that enable us to experiment and scale effectively.Cultivating our engineering culture: Together, we will establish a high-caliber technology organization.

Jul 2, 2025

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Software Engineer, Product - Join Our Innovative Team

Pallet

Full-time|On-site|New York City

We are seeking a talented Software Engineer to join our dynamic Product team at Pallet. As a key contributor, you will collaborate with cross-functional teams to design and implement innovative software solutions that enhance our product offerings.Your role will involve working with cutting-edge technologies, troubleshooting complex issues, and maintaining high-quality standards in software development. Join us in creating impactful products that make a difference!

Mar 6, 2026

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Founding Engineer at talentpluto | New York City

Talentpluto

Full-time|On-site|New York, New York, United States

Location: New York CityIndustry: AI / Recruiting / HR TechCompensation: Competitive salary plus meaningful early equity Talentpluto is building an autonomous recruiting platform that uses AI to streamline hiring. The team focuses on intelligent candidate screening, real-time conversations with hiring managers, and automating complex recruiting workflows. The product leverages large language models, voice AI, and automation tools to reshape how companies find and hire talent. The company values agility, rapid iteration with real users, and a culture based on trust and ownership. Feedback from clients and candidates directly shapes product decisions, and everyone is encouraged to take responsibility for impactful hiring tools. Role overview The Founding Engineer will help define the technical direction of Talentpluto and take on broad ownership across the product and technology stack. This position suits someone who enjoys building from the ground up, partnering closely with founders and clients, and shaping both architecture and engineering culture from the earliest stages. This role covers everything from designing and deploying features to establishing infrastructure and engineering practices. The Founding Engineer will also help recruit and onboard future engineering hires, ensuring the team grows with strong foundations in place. Key responsibilities Design, build, and launch features across the stack, including backend data models, APIs, and user interfaces Work directly with founders and clients to turn high-level needs into practical, effective solutions Select tools, frameworks, and architectural approaches for the platform Set up and maintain infrastructure for CI/CD, observability, security, testing, and performance Define engineering best practices, such as code review standards, testing protocols, and release management Contribute to pipeline management UIs, multi-tenant systems, and integrations with payment gateways and external services Support recruitment, hiring, and onboarding of engineers and contractors as the team grows Troubleshoot complex production issues and improve documentation and internal tools as needed Requirements Experience delivering real products end-to-end, ideally in a startup or fast-changing team Comfort working across the full stack: frontend, backend, databases, and sometimes mobile Strong sense of ownership and focus on user outcomes, not just task completion Ability to work through ambiguity and iterate based on user feedback

Apr 29, 2026

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Founding Engineer at Talentpluto | New York City

Talentpluto

Full-time|On-site|New York, New York, United States

Location: New York CityIndustry: AI / Recruiting / HR TechCompensation: Competitive salary + significant early equityAbout TalentplutoTalentpluto is an innovative, early-stage AI startup revolutionizing the recruiting landscape with our autonomous hiring platform. We harness the power of AI to redefine how companies attract and select talent. Our AI-driven agents manage candidate screening discussions, facilitate real-time dialogues with hiring managers, and streamline intricate recruitment workflows using state-of-the-art large language models, voice AI, and automation technologies. We pride ourselves on our rapid development cycle, incorporating real user feedback to create practical and effective hiring solutions. Our culture is built on trust, ownership, and a commitment to enhancing the hiring process.The RoleWe are seeking a Founding Engineer who will play a pivotal role in shaping Talentpluto's technical vision and take charge of significant components of our product and technology stack. This position is perfect for individuals who thrive on building comprehensive products, collaborating closely with founders and clients, and influencing the architecture and ethos of an engineering team from the onset.Your responsibilities will include designing, developing, and deploying features across our entire technology stack, from backend data models and APIs to user-friendly interfaces. You will lay the groundwork for our infrastructure, processes, and best practices while playing an integral role in recruiting and onboarding new engineering talent. This position offers extensive ownership and impact, ideal for someone who prefers broad responsibilities over narrow task assignments.Key ResponsibilitiesDevelop and deliver features across the technology stack, including backend data models, APIs, and user interfaces.Work directly with founders and clients to translate vague requirements into clear, implemented solutions.Select core tools, frameworks, and design patterns for our platform.Establish and maintain foundational infrastructure, such as CI/CD, observability, testing, security, and performance standards.Implement engineering best practices, including code review processes, testing protocols, and release management.Contribute to the development of pipeline management interfaces, multi-tenant systems, and integrations with payment systems and third-party services.Assist in interviewing, hiring, and onboarding future engineers and contractors as our team expands.Diagnose and resolve complex production issues, and contribute to documentation and internal tooling as necessary.Ideal Candidate ProfileYou might be a great fit if you:Have a proven track record of delivering real products end-to-end in a startup or dynamic team environment.Are adept at working across various layers of the stack (frontend, backend, databases, and occasionally mobile).Embrace ownership of challenges, focusing on user outcomes rather than just tasks.Thrive in situations with ambiguous specifications and enjoy iterating directly based on user feedback.

May 4, 2026

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Founding Product Engineer

August

FullTime|On-site|New York City

At August, we're revolutionizing the legal industry with cutting-edge AI solutions tailored specifically for midsized law firms. Our mission is to enhance efficiency, client service, and competitive edge through innovative technology, unlike anything offered to the AmLaw 100.Our advanced platform enables attorneys to draft, review, and analyze legal documents with unprecedented speed and precision — transforming tasks that once took hours into mere minutes. Trusted by progressive firms across the U.S., Australia, and Asia, we are backed by top-tier investors such as NEA, Pear VC, and Stanford Law to fuel our global expansion.We pride ourselves on our agility, responsiveness to client feedback, and belief in the transformative power of AI within legal practice.The OpportunityAugust is on a mission to develop AGI specifically for legal applications. Our intelligent agents replicate the reasoning, research, and drafting capabilities of seasoned lawyers, with workflows that consistently surpass traditional legal performance in third-party assessments. We aim to empower mid-market law firms by automating their legal processes and enabling them to deliver our solutions directly to their clients. Join us as a pivotal member of our team, where you will contribute to scaling our agents to handle thousands of documents simultaneously and achieve outputs that exceed human accuracy.As a Founding Product Engineer, you will take a lead role in designing and refining production-grade agents that execute legal tasks with expert-level reasoning. Collaborating closely with our founders, legal professionals, and product team, you will implement AI systems within critical workflows utilized by real lawyers worldwide.What You'll DoCraft user-friendly and optimized UI/UX utilizing React and TypeScript for workflows that seamlessly integrate reasoning LLMs and agentic frameworks.Lead zero-to-one product development: rapidly prototype, assess, integrate, and test new features in close collaboration with our clients and legal experts.Innovate new AI-native workflows: design streaming, long-running tasks, procedural UX, etc., for new AI functionalities while balancing cutting-edge technology with practical application.About YouA minimum of 2 years of experience in developing production-quality frontend applications.Expertise in JavaScript/TypeScript, React, and Next.js.Demonstrated ability to create polished and intuitive user interfaces with a keen eye for detail.Comfortable working in a fast-paced early-stage company environment, taking ownership, and iterating quickly.Why Join AugustBe part of a pioneering team that is reshaping the future of legal practice.Engage in meaningful work that directly impacts the efficiency and effectiveness of law firms.Enjoy a collaborative culture that values innovation, creativity, and forward-thinking solutions.

Sep 18, 2025

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Founding Backend Engineer for AI Platform

DiligenceSquared

Full-time|On-site|New York City

DiligenceSquared is in search of a pioneering Backend Engineer to join our team as we revolutionize the landscape of market due diligence through cutting-edge AI technology. In this foundational role, you will be instrumental in designing the architecture for our AI-driven engine, which coordinates autonomous research agents and voice AI systems to produce innovative market reports tailored for investment professionals, including those in Private Equity, Hedge Funds, Private Credit, and Corporate M&A.About DiligenceSquaredAt DiligenceSquared, we are transforming commercial due diligence for Private Equity funds. Backed by Y Combinator and having successfully raised a substantial Seed round, we are proud to serve some of the globe's largest PE funds. The market opportunity exceeds $10 billion annually, with PE firms spending up to $1 million per report from consulting giants such as McKinsey, BCG, and Bain. Our AI agents streamline this process, delivering faster, cost-effective, and fully auditable results, linking every claim to its source.Our founding team comprises seasoned professionals from Blackstone and BCG, bringing invaluable insights into the market's needs, which we are now automating.Your Responsibilities:Develop comprehensive product features and experiences from start to finish, including database models, API endpoints, and their integration with UI components for our web and AI Voice Agent application.Design and implement new AI-driven modules from the ground up (e.g., market sizing, competitive analysis) that will become core functionalities of our research platform.Build and maintain product foundations that include AI agent orchestration, voice AI pipelines, application and API performance, and intelligent automations.Architect scalable backend services featuring complex asynchronous processing and background task orchestration.Continuously improve the product by applying insights gained from each project, ensuring we progress by 1% every day (the Law of Compounding is real, especially for a team founded by investment professionals).Qualifications:Minimum of 3 years of professional experience in Python backend development.Proven expertise in building production-ready APIs using frameworks like FastAPI, Django, or equivalent.Experience in developing agentic systems leveraging large language model platforms (e.g., Anthropic, OpenAI).Hands-on experience with LLMs in a production environment, focusing on building reliable agentic systems rather than just API calls.Knowledge of PostgreSQL and SQL database design.Strong problem-solving and analytical skills with a passion for innovative technology.

Dec 10, 2025

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Founding Engineer - AI Frontdesk

Amari AI

Full-time|On-site|New York City

Join Our Visionary TeamWe are revolutionizing the AI landscape for America’s 33 million small and medium-sized businesses (SMBs). Our growth trajectory is remarkable—10x in the past year and 20% month-over-month. After recently securing $3 million in seed funding from Pear, we proudly serve over 300 businesses today, with a target of exceeding 1000 by year-end. We have uncovered an untapped opportunity to lead the SMB market while others focus solely on enterprise solutions.Our Ambitious GoalConventional wisdom suggests that SMBs are challenging due to low contract values and high churn rates. However, we see significant growth potential where others see obstacles. Representing half of the U.S. GDP, SMBs require AI solutions just as much as enterprises do, and we are making this vision a reality.Our initial success demonstrates our model's effectiveness, and we are on the lookout for a dynamic product leader to help us scale. Starting with AI receptionists, we have quickly evolved into a more robust platform—the SMB Customer Revenue Engine, equipped with AI agents managing all customer interactions, an intelligent layer that learns from each interaction, and outbound AI strategies that drive genuine revenue growth. Our bold vision is to become the ultimate SMB super app—a comprehensive, intelligent platform that oversees everything from customer acquisition to retention.Your RoleAs our first full-stack founding engineer, you will play a pivotal role in shaping the evolution of our product. This position is far from ordinary; while coding is part of your job, your responsibilities will also include:Engaging with customers to gather feedbackParticipating in major dealsFacilitating growth experimentsDirectly influencing the product roadmapYou will take ownership of features from prototype to production scaling, collaborating closely with our founder (ex-Meta) and PM (ex-Microsoft) to influence the company's direction.Within your first 90 days, you will:Launch revenue-generating features utilized by hundreds of SMBsParticipate in sales and support calls, transforming customer feedback into rapid product iterationsWork across the technology stack (TypeScript, React, FastAPI, Postgres, Twilio, LiveKit)Refine critical AI logic that impacts call qualityDevelop internal tools that accelerate go-to-market effortsIn the subsequent six months, you will:Manage significant product areas (e.g., lead capture workflows, analytics, integrations)Drive the adoption of your features across 1000+ businessesCollaborate across teams to enable seamless product launches

May 13, 2025

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Founding Engineer at Polynomic | New York City

Amari AI

Full-time|On-site|New York City

The advertising landscape is evolving, and at Polynomic, we’re leading the charge in transforming performance marketing from its roots. We envision a future where innovative ad formats remain the cornerstone of online business, driving growth in commerce. However, the current performance marketing strategies are bogged down by outdated methodologies and excessive manual labor. We’re committed to changing that narrative. Our goal is to empower brands to abandon the hit-or-miss approach of traditional marketing and leverage the power of AI to create more efficient and profitable advertising solutions.We’re developing autonomous, intelligent systems that allow brands to seamlessly connect and discover the most lucrative avenues for revenue growth through advertising, reducing the need for costly agencies and minimizing the time spent on campaign optimization.Founded by Madhav (former Google Ads, Citadel, HBS, Harvard) and Nathan (former Google Research, HBS, Stanford CS), Polynomic is a well-funded seed-stage startup supported by leading venture capitalists and angel investors. We’re already collaborating with multiple high-growth consumer brands as our clients.Role Overview:As a Founding Engineer, you will take the reins in defining and constructing the foundational technology stack that powers Polynomic. You will engage with cutting-edge AI challenges, develop data infrastructures, and orchestrate agents to create autonomous systems that will redefine the future of performance marketing.Preferred Qualifications:You possess exceptional talent demonstrated through successfully shipped products, impactful research contributions, open-source projects, startup experiences, or other technically rigorous endeavors.You are passionate about owning and successfully delivering ambitious and complex projects that tackle challenging technical problems (e.g., reinforcement learning, bandits, reasoning, agent reliability, and ad creative generation workflows).You are genuinely interested in the dynamics of running efficient digital advertisements and understand their significant influence on global commerce.This is an in-person role located in New York City.

Jan 12, 2026

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