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Experience Level
Senior
Qualifications
Proficient in modern web technologies including JavaScript, HTML, CSS, and frameworks such as React or Angular. Strong experience in backend technologies like Node.js, Python, or Ruby on Rails. Familiarity with database management systems such as PostgreSQL or MongoDB. Experience with version control systems, preferably Git. Excellent problem-solving skills and ability to work in a fast-paced environment. Bachelor’s Degree in Computer Science or a related field is preferred.
About the job
Join Binti as a Senior Full Stack Software Engineer and play a crucial role in developing innovative software solutions that enhance our mission to streamline the adoption process. You will be responsible for designing, developing, and maintaining our web applications, ensuring optimal performance and user experience.
In this position, you will collaborate with cross-functional teams, participate in all phases of the software development lifecycle, and mentor junior developers. If you are passionate about building scalable applications and are eager to solve complex problems, we want to hear from you!
About Binti
Binti is a leading technology company dedicated to transforming the foster care and adoption system. Our innovative platform empowers social workers and foster parents with the tools they need to streamline processes, improve communication, and ultimately ensure a better experience for children in need. Join our mission to make a meaningful impact in the lives of families and children.
About OliveAt Olive, we are revolutionizing the way companies build internal tools by enabling them to create sophisticated applications simply by expressing their needs in natural language.Internal tools are crucial for modern organizations, serving as the operational backbone for various functions, from sales dashboards to trust and safety workflows. Curre…
Founding Full Stack EngineerLocation: San Francisco Bay AreaType: Full-TimeCompensation: Competitive salary + significant equity (founding tier)Supported by 8VC, we are assembling a top-tier team to address one of the industry's most pressing infrastructure challenges.About the RoleWe are seeking a founding full stack engineer to help design and build our platform from the ground up. This is a rare opportunity to influence a substantial portion of the technology stack and advance into a leadership position with considerable equity potential.You will work on infrastructure that merges extensive data systems with AI-driven agents. This role offers a high degree of autonomy and ownership over core architecture and the foundational team culture.Your responsibilities will include writing production code for both backend and frontend, defining interfaces between components, shaping devops and data infrastructure, and translating abstract ideas into functional systems. If you thrive in an environment with rapid feedback, direct impact, and long-term rewards, this position is ideal for you.ResponsibilitiesDesign and develop scalable APIs, backend services, and web application componentsContribute across the technology stack: data pipelines, agents, web UIs, and deployment systemsCreate and implement internal tools, testing frameworks, and CI/CD pipelinesCollaborate closely with product and design teams to quickly prototype and deliver featuresHelp establish engineering processes, contribute to documentation, and foster the early team cultureOur Technology StackWhile familiarity with the entire tech stack is beneficial, the ability to quickly learn and adapt to new technologies is paramount. You will encounter technologies such as:Languages: TypeScript (Node.js), Python (FastAPI)Frontend: React, Next.js, TailwindBackend: Postgres, DuckDB, GraphQL (Hasura), Kafka, RESTCloud/Infra: AWS, Docker, GitHub Actions, ArgoCD, Kubernetes (basic)AI/Agents: LangChain, LangGraph, OpenAI, Anthropic, LLaMA, Pinecone, QdrantGovernance: Keycloak, Open Policy Agent (OPA), OpenTelemetryVisualization: Vega, Flourish, React ReChart
Join Condor Software as a Full-Stack Platform EngineerAt Condor, we are revolutionizing the financial infrastructure that supports clinical development. With billions invested annually in discovering and developing new therapies, we strive to connect clinical operations and finance into a cohesive system. By integrating real-time financial intelligence, we empower R&D and finance leaders with the tools they need to make informed, high-stakes decisions.We are an AI-driven, pharma-native infrastructure provider, scaling industry standards in collaboration with top-tier partners. Our platform facilitates prediction, control, and execution in the most complex R&D environments worldwide.The Importance of Your RoleHaving established ourselves as a trusted partner for enterprise teams, we are now focused on the challenging task of scaling our platform to meet increasing demands. As a rapidly growing company, backed by prominent investors like Felicis and 645 Ventures, this is a unique opportunity to contribute to the foundational infrastructure that will redefine how therapies reach patients.Your ResponsibilitiesAs a Full-Stack Platform Engineer, you will be pivotal in building and scaling the core platform that supports the financial intelligence infrastructure relied upon by leading biopharma companies. This role encompasses critical engineering tasks at the intersection of backend systems, cloud infrastructure, and intelligent automation, with a strong emphasis on reliability and scalability.Your primary focus will be on backend architecture, where you'll design and implement services that drive complex financial and operational workflows. You'll be instrumental in shaping data flow, workflow orchestration, and enabling emerging AI-driven capabilities. This role goes beyond simple integration; you'll be crafting robust primitives that support other teams as our product and customer base expand.Working as a core member of a cross-functional product team, you will closely collaborate with product managers, designers, quality engineers, and data specialists to transition features from concept to production. While backend expertise is crucial, you will also engage across the stack to ensure the platform's capabilities are effectively leveraged.
Join the Dryft TeamDryft is at the forefront of innovation, creating intelligent systems that streamline complex human decisions in manufacturing operations.We are a tight-knit team with a passion for the physical world, spanning across vehicles, machinery, and aerospace. Our group comprises graduates from esteemed institutions such as Stanford, Berkeley, CDTM, and TUM. We are proud recipients of accolades including Stanford TreeHacks and prestigious scholarships like Fulbright & Haniel. Our diverse backgrounds range from robotics and race car development to creating software applications with millions of downloads.Supported by visionary founders from industry giants like Amazon, Facebook, and Stripe, as well as influential investors such as General Catalyst and Neo, our mission is to revolutionize how manufacturing operates. Currently, we are saving our clients millions, but we believe this is just the beginning of our journey.Your RoleAs the Founding Full-Stack Engineer, you will be instrumental in developing Dryft’s decision intelligence systems. Your work will involve creating scalable architectures that integrate agent-based reasoning, mathematical optimization, and simulation on vast industrial datasets.
Join our client as a Founding Full-Stack Engineer!We are seeking a talented and passionate Full-Stack Engineer to be part of a dynamic team in San Francisco. This is a unique opportunity to work closely with an innovative startup transitioning from seed funding to Series B. As an early hire and founding engineer, you will have a significant impact on the development of our product and the direction of our company.
About HappyRobotHappyRobot is pioneering the AI-native operating system for the real economy—an innovative platform that seamlessly integrates intelligence with actionable outcomes. By harnessing real-time insights, specialized AI agents, and a coordinating intelligence, we empower enterprises to manage intricate, mission-critical operations with genuine autonomy.Our AI OS continuously accumulates knowledge, optimizes processes at every level, and adapts over time. We're initially focusing on supply chain and large-scale industrial operations, where resilience, speed, and ongoing enhancement are paramount—liberating humans to concentrate on strategic thinking, creativity, and other high-value pursuits.Discover more about our vision in our Manifesto. HappyRobot has successfully secured $62M in funding to date, including a recent $44M Series B round in September 2025. Our esteemed investors include Y Combinator (YC), Andreessen Horowitz (a16z), and Base10, who share our commitment to transforming enterprise operations. We are channeling this investment into assembling a world-class team—individuals with unwavering determination, exceptional problem-solving abilities, and a passion for pushing boundaries in a dynamic, high-pressure environment. If this resonates with you, we invite you to join us at HappyRobot.About The RoleAt HappyRobot, Full Stack Engineers take charge of significant components of the product and infrastructure from start to finish.We are seeking creators who thrive in uncertain environments, have a profound appreciation for their craft, and desire authentic ownership over their creations.
Full-time|$150K/yr - $200K/yr|On-site|San Francisco, CA
At Siftstack, we are revolutionizing the development, testing, and operation of modern machines. Our innovative platform empowers engineers with real-time observability over high-frequency telemetry, effectively eliminating bottlenecks and facilitating faster, more dependable development.Founded by a team of experts from SpaceX, Google, and Palantir, Siftstack was inspired by our experience with pioneering projects like Dragon, Falcon, Starlink, and Starship. Our mission-critical infrastructure is designed for precision and scalability, meeting the highest demands of reliability in engineering.As an early-stage engineer at Siftstack, you will not only write code, but you will also play a pivotal role in defining our architecture, shaping our product, and cultivating a culture focused on addressing real engineering challenges. If you thrive on tackling complex technical problems and want to build foundational systems that support intricate machines, we'd love to hear from you.
Why Choose Alex?At Alex, one of the most promising startups emerging from our Y Combinator batch, we are making significant strides in the hiring landscape. We have secured strong funding, are generating revenue, and have ample runway to fuel our growth.Our innovative AI-driven recruitment tool revolutionizes the job interview process, enabling companies to obtain critical hiring insights more swiftly and effectively than ever. Our clients are enthusiastic about our product, and we are just beginning our journey.Who We Are?We are a team of individuals who:Thrive on tackling complex engineering challengesAdapt quickly and are committed to achieving resultsDedicate ourselves to hard workAct with urgencyValue in-person collaboration in our San Francisco office, five days a weekTechnologies We UtilizeWe prefer candidates with experience in:JavaScript (Typescript, React, Node, Next)PythonCloud and DevOps tools (Azure, Kubernetes, Docker)System ArchitectureYour ResponsibilitiesAt Alex, we operate similarly to a marketplace, providing unique interview experiences for candidates and a robust data analysis platform for employers. As a hands-on engineer, you will develop both consumer-facing applications and enterprise-grade software, with ample opportunities for professional growth. Potential consumer software challenges include:How can we reduce average interviewer response latency to 200ms?How can we refine our models to minimize hallucinations and help Alex pass the Turing test?How will our system architecture evolve as we scale to accommodate thousands of users concurrently?You will also address enterprise-related software challenges such as:How do we integrate with our clients' internal hiring systems?What is the optimal way to visually present interview results swiftly?How can Alex facilitate end-to-end coordination of the hiring process?And a myriad of feature requests awaiting your expertise!
Join our dynamic team at gumloop as a Full Stack Software Engineer, where you will play a pivotal role in shaping our product and impact.In this role, you will:Develop and launch comprehensive features from design through to deployment and management in a production environment.Rapidly iterate based on user feedback, ensuring swift enhancements and same-day releases.Collaborate closely with our founders daily to maintain clear priorities and eliminate obstacles.Create sleek user interfaces alongside robust backend systems that can handle increasing traffic.
Join us as we create a revolutionary gamified developer platform that enables thousands of developers to engage in thrilling software engineering challenges that explore the limits of LLMs.As a Full Stack Software Engineer, you will integrate into a dynamic, enthusiastic team focused on tackling complex technical issues, crafting captivating gamification experiences, and establishing robust systems that facilitate collaboration among developers worldwide.Key ResponsibilitiesDevelop and sustain comprehensive features across both frontend and backend systems.Design scalable, high-performance backend services and user-friendly, responsive frontend interfaces to enable real-time coding competitions and engaging user experiences.Work closely with product managers, designers, and engineers throughout the stack to swiftly deliver impactful features.Lead technical discussions, influence architectural decisions, and identify areas for enhancement across the entire technology stack.Establish engineering best practices that include code quality, testing protocols, observability, and thorough documentation.QualificationsMinimum of 3 years of experience developing scalable, high-performance full stack applications in production settings.Proficient in creating frontends with React, TypeScript, and Tailwind CSS.Experience in designing secure and efficient APIs and backend services using Go.Familiar with cloud infrastructure and services (AWS) and Docker.Possess a proactive approach, comfortable with rapid iteration based on user feedback.Preferred QualificationsExperience with Infrastructure as Code (IaaC) using Terraform and CI/CD pipelines.Background in designing secure code execution environments and implementing sandboxing techniques.Interest in or experience with gamification, competitive programming, or developer-centric platforms.
About Numeral:Numeral is revolutionizing the tax landscape for digital businesses, helping them navigate the complexities of regulations across 47 states and over 50 countries. Our mission is to lift this burden so that teams can concentrate on their primary objectives.As the largest and fastest-growing AI-driven tax solution, Numeral was established in 2023 and has successfully raised over $57 million from notable investors such as Benchmark, Mayfield, and Y-Combinator. We proudly serve more than 2,500 paying customers and have consistently tripled our revenue year over year since our inception.While our main hiring hubs are in San Francisco and New York, we do offer remote opportunities based on specific circumstances.About the Role:We are in search of a foundational Full-Stack Engineer who thrives in dynamic environments, enjoys constructing intricate distributed systems, and is eager to establish core architecture within a rapidly expanding early-stage startup. You will spearhead the design and implementation of APIs, services, and infrastructure that form the backbone of our platform. Additionally, you will collaborate with leadership to drive engineering strategy, product execution, and cultural development.Your Responsibilities:Design and develop scalable and secure backend services and APIs from the ground up.Make architectural choices that prioritize speed, data integrity, and long-term sustainability.Work closely with product, design, and data teams to create efficient systems that enhance crucial customer workflows.Take ownership of infrastructure, observability, and performance for the services you create.Contribute to the establishment of engineering best practices, code quality, and a robust backend culture.What You Bring:Over 7 years of experience in developing backend systems in high-growth settings.Proficiency in backend technologies such as Node.js, PostgreSQL, Redis, and cloud services (AWS preferred).Experience in designing resilient APIs and distributed systems at scale.A strong product sensibility with the ability to balance performance, flexibility, and speed.A startup mindset: comfortable with ambiguity and eager for swift growth.Intensity & Ownership: This role goes beyond a standard 9-5 — we are rapidly scaling and face exciting opportunities ahead.Customer Obsession: A genuine commitment to enhancing user experience and resolving their challenges.
Full Stack Software Engineer (Various Levels)Join our client, a pioneering organization dedicated to developing the most advanced non-invasive technology for interfacing with the human brain. They are focused on creating an innovative ultrasound-based platform that can stimulate and image brain activity with unmatched resolution and depth, unlocking new avenues in neurological treatment, research, and human health.By integrating state-of-the-art hardware, real-time software systems, and applied neuroscience into a cohesive product stack, they aim to deliver scalable solutions that enhance lives on a global scale. We are currently seeking a Full Stack Software Engineer to contribute significantly to the development of software systems that bridge complex hardware, real-time data, and user interaction.
Superhuman embraces a vibrant hybrid working model that perfectly balances focused individual work with collaborative in-person interactions to cultivate trust, innovation, and a robust team culture.About SuperhumanSuperhuman, now empowered by Grammarly, is an innovative AI productivity platform dedicated to unlocking the extraordinary potential within individuals. Our suite of applications seamlessly integrates AI into daily workflows, connecting with over 1 million applications and websites. Our offerings include Grammarly's writing enhancement tools, Coda's collaborative workspaces, Mail's inbox management solutions, and Go, our proactive AI assistant that intuitively understands context to provide timely assistance. Since our inception in 2009, Superhuman has empowered over 40 million users, 50,000 organizations, and 3,000 educational institutions worldwide, enabling them to streamline their tasks and concentrate on what truly matters. Discover more at superhuman.com and explore our core values here.The OpportunityTo fuel our ambitious growth, we are seeking talented Full-Stack Software Engineers to join our engineering teams. As a Full-Stack Engineer at Superhuman, you will be instrumental in developing key components of our product offerings, infrastructure, and features that enhance the writing capabilities of our 40 million users. This role offers a unique opportunity to engage in both Front-End and Back-End development, contributing to highly visible and impactful projects.Our engineers and researchers enjoy the freedom to innovate and drive breakthroughs that directly influence our product roadmap. As we scale our interfaces, algorithms, and infrastructure, the complexity of our technical challenges continues to grow. You can learn more about our technical endeavors on our technical blog.Superhuman is experiencing rapid growth, creating opportunities to join dynamic teams, learn from seasoned professionals, and build innovative products from the ground up. Within our expanding engineering organization, you will find ample room for ownership and a direct impact on user experience.As a Full-Stack Engineer, your responsibilities will include:Rapidly building and deploying code, with the opportunity to deliver significant features within your first few months.Developing and maintaining high-performance Back-End services and creating engaging user interfaces on the Front-End.
About ChalkChalk is at the forefront of developing a cutting-edge data platform that revolutionizes machine learning applications. We are committed to dismantling the traditional barriers of complexity, latency, and scalability that have limited ML capabilities. By merging high-performance Rust technology with user-friendly tools, we empower developers and organizations alike. Our platform is trusted by leading companies to combat fraudulent credit card transactions, validate identities, and optimize clean energy utilization. Recently, we secured a $50 million Series A funding round, spearheaded by Felicis.About the RoleWe are actively seeking passionate Full Stack Software Engineers to join our dynamic team. This is a unique opportunity to contribute significantly as an early employee within a rapidly growing startup. You will have the autonomy to tackle complex engineering challenges while taking full ownership of your work.Our ideal candidates are versatile engineers who excel at addressing business challenges across all layers of the software stack. At Chalk, we prioritize building robust data processing systems that perform efficiently at scale, all while focusing on an exceptional developer experience.We require engineers capable of crafting outstanding user experiences across both CLI and web interfaces, alongside a strong understanding of a codebase enriched with concepts from compilers, query planners, and distributed systems.Our team works in the office five days a week, with flexibility for unavoidable conflicts. Please note, this is not a hybrid position.What You Will DoCollaborate directly with Chalk’s co-founders to bring our first iteration to production.Develop applications using TypeScript, Python, Go, and React.Contribute to a codebase that incorporates advanced ideas from various fields.
Founding Engineer – Baton AILocation: San Francisco, CA (In-Person)Experience Level: 3+ years (Full-Stack Engineering)About Baton AIBaton AI (getbaton.ai) is revolutionizing enterprise automation with a cutting-edge platform designed for seamless cross-application workflows. Our mission is to empower solutions engineering and implementation teams by automating customer onboarding and product setup, allowing them to deliver value at a faster pace and scale. This is just the beginning of our expansive vision for enterprise-wide, AI-driven automation.As a rapidly growing, VC-backed startup, we are seeking visionary builders who are eager to innovate, take initiative, and play a key role in shaping the future of AI automation.Your ResponsibilitiesLead Development of Core Systems – Architect and develop essential components of our full-stack web application, API infrastructure, and AI-enabled automation platform.Tackle Advanced Technical Challenges – Engage in complex tasks involving AI agents, prompt engineering, evaluation, monitoring, API integration, and browser automation.Influence Product Direction – Work closely with early adopters and the founding team to shape our technical roadmap and implement impactful features.Embrace Rapid Learning and Prototyping – Innovate, experiment, and deliver solutions swiftly in a high-trust, streamlined environment.Our Ideal Candidate3+ Years in Full-Stack Engineering – Strong proficiency in React and Typescript.Expertise in Modern Web Development – Familiarity with React/NextJS and Node.js. Knowledge of Python and Elixir/functional programming is advantageous.Experience with Rich-Text Editors – Previous work on features similar to those found in Notion or be eager to tackle this challenge.Interest in AI and Workflow Automation – A passion for developing AI/LLM-driven applications and automation tools.Product-Oriented Mindset – A commitment to clean code and exceptional user experience.Strong Problem-Solving Skills – Ability to navigate ambiguity and deliver results efficiently.Willingness to Work On-Site – Enthusiastic about collaborating in person in San Francisco.
Join Binti as a Senior Full Stack Software Engineer and play a crucial role in developing innovative software solutions that enhance our mission to streamline the adoption process. You will be responsible for designing, developing, and maintaining our web applications, ensuring optimal performance and user experience.In this position, you will collaborate with cross-functional teams, participate in all phases of the software development lifecycle, and mentor junior developers. If you are passionate about building scalable applications and are eager to solve complex problems, we want to hear from you!
About AnonAnon is revolutionizing the way enterprises can deploy authenticated AI agents to enhance their crucial data workflows.We are tackling one of the most significant challenges in enterprise automation: extracting and transforming data that is hindered by authentication barriers. Our innovative platform empowers AI agents to securely connect with any web-based system, extract unstructured data, and present it through state-of-the-art APIs.Since our inception in 2023, we have partnered with industry leaders to convert lengthy manual processes into streamlined automated workflows that can be completed in mere minutes. With $14M raised from notable investors such as Union Square Ventures, Forerunner Ventures, Okta Ventures, and Abstract Ventures, we are on a path of rapid growth.Our vision is clear: we believe every business system should be accessible to AI agents. If you are passionate about developing infrastructure that will support the next wave of AI applications, we invite you to join our dynamic team of 12 in San Francisco.www.anon.com/careersAbout the RoleAs a Full Stack Engineer at Anon, you will play a pivotal role in creating both the user interfaces and the underlying infrastructure that drive our authenticated AI agents for enterprise workflows. Your responsibilities will include developing React-based dashboards for agent monitoring, crafting embeddable authentication components, and constructing the APIs and data pipelines that convert unstructured web data into accurate and reliable outputs. This is a chance to take ownership of features from inception to deployment while engaging at the intersection of AI and enterprise software.Key ResponsibilitiesCore Platform DevelopmentCreate robust AI agents capable of navigating web interfaces, managing dynamic content, and extracting data from systems lacking APIs.Develop front-end interfaces for agent creation, monitoring dashboards, and real-time execution visualization.Take full ownership of features from database to UI, encompassing API design and user experience.Design embeddable JavaScript components and authentication modals to facilitate customer integrations.Build and maintain scalable APIs, data pipelines, and authentication workflows across various platforms.Develop integrations with third-party services and ensure comprehensive test suites are maintained.Collaborate & LearnPartner with senior engineers to gain insights into system architecture and best practices.Engage in code reviews and share knowledge with your peers, fostering a culture of continuous improvement.
About ShepherdAt Shepherd, we are pioneering a technology-driven approach to transforming commercial Property & Casualty insurance, specifically within high-hazard industries. Our objective is to streamline risk management for the builders and operators who are shaping the physical world, ensuring that progress is safeguarded from the initial concept phase through construction and into long-term operations.We are developing the most advanced and efficient commercial risk platform, where our underwriting expertise integrates seamlessly with data and automation to provide:Accelerated decision-making processesMore intelligent and precise pricing modelsEnhanced risk outcomesWith Shepherd, we are redefining the interplay between safety, speed, and quality, allowing these elements to work in synergy rather than at odds. Our aim is not merely to modernize insurance products, but to create the risk infrastructure necessary for the next generation of financial services, where technology, underwriting, and partnerships coalesce to support vital industries and the progress they enable.
Join Promise as a Full-Stack Software Engineer, where you will play a crucial role in developing innovative software solutions. In this dynamic position, you will collaborate with cross-functional teams to design, implement, and optimize full-stack applications. Your expertise will be vital in enhancing user experiences and driving technical excellence across our projects.
Join the Revolution in Enterprise AutomationAt Fluency, we are at the forefront of creating the autonomous Enterprise. We are searching for an exceptional full-stack software engineer to help us redefine the way enterprises operate and interact with data. Step into the future with us!Your role will involve tackling challenges that currently have no predefined solutions. You will handle terabytes of workflow data in real-time for our enterprise clients, developing systems that map relationships, contextualize, and analyze work patterns across entire organizations. Picture the human genome project, but for enterprise workflows!As a key team member, you will create innovative data structures and pipelines capable of processing billions of events daily. You will also contribute to groundbreaking research by authoring whitepapers on unprecedented methodologies. This is an opportunity to operate at the cutting edge of data science, where the existing playbook is still being written.With backing from top-tier VCs like Accel, we are poised for significant growth with enterprises across the globe.You will collaborate closely with our founders and engineering team to tackle unprecedented technical challenges: real-time data processing at massive scale, developing a universal taxonomy for work across diverse industries, and constructing systems that manage the most complex enterprise data environments on the planet.
