Platform Software Engineer

Why Join DoppelAt Doppel, we are dedicated to combating one of the most significant threats posed by AI: mass-manufactured social engineering. With the rise of scams, deepfakes, and various social engineering attacks across digital platforms—including websites, social media, ads, and mobile applications—our mission is both straightforward and ambitious: to create a safer internet by outsmarting the rapidly evolving digital threats.Supported by esteemed investors such as a16z and Bessemer, and trusted by globally recognized brands like OpenAI, United Airlines, and Coinbase, Doppel is on a rapid growth trajectory. If you are motivated to tackle real-world challenges through innovative technology, we want to hear from you.What We're BuildingWe are developing an AI-native defense platform against social engineering attacks.This involves creating scalable systems that monitor billions of domains, social media accounts, apps, and dark web forums, using AI agents to detect and neutralize digital threats.What We're Looking ForWe seek passionate engineers who excel at building and operating backend systems at scale. You should be capable of transforming ambiguous detection and product challenges into reliable production services and user interfaces that assist our operations and clients in identifying and mitigating threats. Your focus will be on high-throughput ingestion, enrichment, scoring and alerting pipelines, APIs and dashboards, threat-linking infrastructure, and dependable automation utilized by stakeholder teams daily.

Why Join DoppelAt Doppel, we are determined to combat one of the most significant challenges posed by AI: mass-manufactured social engineering. With the rise of scams, deepfakes, and various social engineering attacks infiltrating every digital channel—from websites and social media to ads and encrypted messaging apps—our mission is both simple and audacious: to create a safer internet by outsmarting the fastest-evolving digital threats.Supported by renowned investors such as a16z and Bessemer, and trusted by leading brands including OpenAI, United Airlines, and Coinbase, Doppel is experiencing rapid growth. If you are passionate about tackling real-world problems with innovative technology, we would love to connect with you.What We Are BuildingWe are developing an AI-native social engineering defense platform. This entails creating scalable systems that monitor billions of domains, social media accounts, applications, dark web forums, and more, utilizing AI agents to identify and neutralize digital threats.Your RoleWe are seeking a talented Machine Learning Engineer to contribute to the development and scaling of the models and systems that drive Doppel’s detection capabilities. In this position, you will:Design, train, and deploy models for both batch and real-time inference to identify malicious or infringing content across a variety of data sources.Collaborate closely with the Detection and Infrastructure teams to ensure our ML systems can scale with the increasing volume of web data we process.Tackle challenges that span from Natural Language Processing (NLP) and embeddings to similarity search, classification, and anomaly detection.Engage directly with customers and internal stakeholders to translate real-world threats into practical ML solutions.

Join doppel as a Data Scientist and become an integral part of our innovative team. In this role, you will leverage data analytics to drive strategic decision-making and enhance our product offerings. You will be responsible for analyzing complex datasets, developing predictive models, and presenting your findings to stakeholders.

Join The New York Times as a Software Engineer in our Scoop Core team, where you will collaborate with talented developers to design and implement innovative solutions that enhance our digital platforms. You will play a critical role in shaping the future of journalism through technology, ensuring our content reaches millions of readers effectively and efficiently.

Role overview The Senior Software Engineer at the City of New York will work on software that helps city departments deliver better services. The focus is on building and refining technology that supports municipal operations, aiming to make them more efficient and responsive. What you will do Design and develop software to support and enhance services provided by the city Work closely with colleagues who are committed to improving public service Use technical skills to address challenges faced by city operations Location This position is located in New York, NY.

About UsAt Maybern, we are revolutionizing the private fund management industry through innovative technology. Founded by leading engineering professionals with extensive expertise in fund management, we are committed to providing exceptional solutions for private fund CFOs.The private funds sector currently oversees $15 trillion in assets and is expanding at a remarkable 20% annually. As regulatory requirements tighten and investors demand greater transparency, the need for top-tier software has never been more critical. This is where Maybern steps in.We empower fund managers with intuitive and adaptable software, enabling them to concentrate on maximizing returns for their investors. Supported by prominent venture capital firms and a robust network of strategic investors, our team is dedicated to excellence.Located in New York City, Maybern fosters a vibrant in-office culture that encourages collaboration, and we are eager to welcome talented individuals to our growing team.

Transforming Authorization for a $25B+ MarketIn today's technology landscape, companies like AWS, Stripe, and Twilio have demonstrated that non-core technologies can be effectively outsourced. However, authorization remains a critical component consistently rebuilt by engineering teams. At Oso, we aim to revolutionize this process.Imagine a world where developers never have to create their own authorization solutions again, simply saying, "Just use Oso," much like how they recommend using Postgres. We're on a mission to capture the burgeoning $25B+ market for authorization.Why Join Oso?We are leading the charge with significant traction, strong capital backing, and a talented team.Traction: Oso is trusted by thousands of organizations, from startups to Fortune 500 giants like Wayfair, ProductBoard, Vanta, Brex, Verizon, ZoomInfo, and Duolingo.Capital: Our growth is supported by top-tier investors, including Sequoia and Felicis, along with a remarkable group of infrastructure founders and operators.Team: Our expertise spans over five years, engaging with countless engineering teams to understand their needs better than anyone else. We boast two of the best developer go-to-market leaders from MongoDB and Snyk.Why Now?We are at a pivotal moment in our journey. Transitioning to a future where developers say, “Just use Oso” requires innovative thinking and expertise, and we’re looking for you to be a part of that transformation.Your RoleDesign, experiment, and build user interfaces, features, and abstractions that simplify the workload for our users, enhancing the developer experience.Extend the range of use cases for our core authorization service.Construct and maintain infrastructure for our highly available, low-latency cloud service.Additionally, contribute to building our community by taking on tasks such as:Creating documentation and blog posts to engage and assist new users.Collaborating on cross-functional projects to enhance our product.

About Valon Valon builds an AI-native operating system for regulated finance, starting with mortgage servicing. As a Series C company backed by a16z, Valon manages its own mortgage servicing business, overseeing more than $110 billion in loans. This direct experience has shaped how the team approaches software for complex, regulated industries. Valon has turned a sector known for low margins into one with over 60% profitability, while also improving customer satisfaction. The company’s enterprise solutions are now used across the industry. ValonOS, the core platform, structures every process for the AI era, making operations programmable and data-rich. AI agents automate and refine workflows, supporting Valon’s broader mission to modernize regulated industries beyond mortgages. Engineering at Valon The engineering team focuses on rebuilding the mortgage industry’s core systems. The platform is designed to manage billions in assets at scale, with a foundation built for flexibility and growth. Engineers at Valon work alongside colleagues from Stripe, Jane Street, Meta, Google, and other leading companies. The team values autonomy, rapid learning, and measurable impact on the business. Valon fosters a supportive environment where engineers can do their best work, tackle complex problems, and collaborate closely. The company encourages ownership and initiative, giving engineers room to shape both technology and outcomes. Technology Stack Python React Docker Kubernetes Google Cloud Platform Location and Work Options Valon is headquartered in New York City, with a new office opening in San Francisco. Remote work is fully supported.

NBCUniversal Media, LLC is seeking a Software Engineer in New York to help shape the future of entertainment technology. This role centers on building software that supports NBCUniversal’s entertainment platforms and contributes to projects that affect how audiences enjoy content. Key responsibilities Develop software solutions for NBCUniversal’s media platforms Work with team members to deliver new features and solve technical issues Participate in projects that influence audience experiences What we value Motivation and enthusiasm for software development Interest in advancing technology within media and entertainment Team members who bring fresh ideas and focus on practical solutions This position is based in New York.

About Maybern Maybern builds software for private fund managers, helping them oversee investments more efficiently. The company focuses on transparency and compliance within a sector managing $15 trillion in assets and growing at 20% each year. Backed by leading venture capital firms and strategic investors, Maybern aims to make fund management simpler and more effective. The team brings deep experience from the fund management and technology worlds. Maybern’s platform is designed to be flexible and easy to use, so fund managers can focus on maximizing returns for investors. Based in New York City, Maybern values in-person collaboration and a strong office culture. The company is growing and looking for new team members to join its New York office.

Join Our Dynamic TeamAt Tandem, we are on a transformative journey to revolutionize the way new therapies are introduced to the market. Our strategy is uniquely positioned to minimize risks, and here's what sets us apart:Rapid Organic Growth: We have established product-market fit and are experiencing exponential growth. Every day, Tandem supports thousands of new patients and garners increasing recognition among doctors through word-of-mouth, collaborating with leading biopharma companies globally.AI-Driven Business Approach: Our operations are fundamentally enhanced by artificial intelligence, ensuring our business model strengthens with advancements in foundational models. We are crafting a resilient ecosystem through compounded two-sided network effects.Elite Investors: Backed by premier investors such as Thrive Capital, General Catalyst, and Accel, we have the resources to build an outstanding team of engineers and operators.Our primary focus is scaling to meet market demand. We are in search of high-energy, innovative individuals who can help us amplify our capacity and accelerate growth. Our pace is rapid, and we aim to move even faster.All full-time positions require in-person work in New York. Discover more about joining our team in the final section of this page.Role OverviewAs a Software Engineer at Tandem, you will engage with various technologies to address business challenges and establish the groundwork for our platform. This role demands a profound understanding of our product and the elements that drive our business, enabling you to operate effectively both independently and collaboratively. You will assume complete responsibility for your projects, spanning definition, design, development, launch, and evaluating success—ensuring your contributions positively influence user growth, operational efficiency, or revenue generation.This position is highly demanding, offering significant autonomy and responsibility. We expect you to embody ownership and dedicate yourself to Tandem's success. If you possess a low-ego mindset, a hunger for knowledge, and excitement for impactful work that fosters both company growth and rapid career advancement, we want to hear from you.What You Will Do:Take ownership of substantial portions of our product surface area and lead the respective roadmaps to achieve specific objectives (see below for focus areas).Collaborate with cross-functional teams to develop and implement effective software solutions.Contribute to the design and architecture of scalable and reliable systems.

Join Us in Revolutionizing the MarketThe syndicated loan and CLO markets need a significant overhaul—current processes are cumbersome, outdated, and inefficient. At Octaura, we're leading the charge for change.We are reimagining the trading landscape, placing efficiency, transparency, and simplicity at the forefront of our operations. Our innovative platform integrates trading capabilities, data, and analytics, fundamentally transforming how markets operate and enhancing workflow efficiency like never before.Inclusive Culture at OctauraWe believe in empowering our team members to express their ideas and talents. Diversity is at the heart of our values, and we strive to build a team that reflects the world we live in. Our culture fosters collaboration, transparency, and innovation, all while ensuring a fun and engaging workplace.About the RoleAs we expand our technology team, we are on the lookout for Software Engineers eager to develop high-performance, next-generation technology that will redefine the loans industry. This role is perfect for those who want to drive innovation and thrive in a dynamic, collaborative environment, tackling complex challenges head-on.This is an exciting time to join Octaura as we experience rapid growth. We invite energetic, collaborative thinkers to become part of our journey! This position is based in our New York City office with a hybrid structure: 4 days in-office (Monday to Thursday) and 1 day remote (Friday).

Join Ambrook in our mission to empower family-owned businesses across America to achieve greater profitability and resilience.As we face unprecedented challenges such as severe droughts, surging costs, and volatile markets, we believe that the best investments—like sustainable irrigation and effective grazing strategies—benefit both the environment and the economy. However, these essential changes often require upfront capital and the financial insights that are hard to obtain.Business owners frequently juggle disorganized records and outdated tools, making it difficult to evaluate their operations or demonstrate their potential to lenders, partners, or future generations.At Ambrook, we're revolutionizing the financial infrastructure that independent operators depend on.Our innovative platform replaces cumbersome paperwork and antiquated systems with modern solutions for accounting, banking, invoicing, and spending—designed specifically for those who spend more time in the field than at a desk. We provide producers with the financial clarity necessary for making informed investments in their land, business, and future.Our customers form the backbone of the real economy, managing land, labor, and legacy. By enabling them to build stronger, more sustainable businesses, we're fostering generational resilience throughout America.Initially focused on farmers and ranchers, we are now rapidly expanding into various other sectors within American industry.As a Series A startup, we are backed by leading investors, including Thrive Capital, Dylan Field, Homebrew, Designer Fund, and BoxGroup. We seek passionate early team members who are excited to explore the intricate relationship between American industries, climate change, and economic growth.Your RoleAs one of our pioneering engineers at Ambrook, you will have a significant impact on our technical strategy and product development, aiming to enhance the sustainability and profitability of agriculture.Key ResponsibilitiesDeliver elegant, high-performing product experiences and robust infrastructure.Share best practices in engineering architecture, project management, and cross-functional teamwork.Gain a deep understanding of building an agrifinance and climate tech startup, including agricultural bookkeeping and the broader farm finance ecosystem.

About ChalkChalk is revolutionizing the data platform landscape that drives the future of machine learning applications. We are dismantling the complexity, latency, and scalability challenges that have historically limited ML capabilities. Our cutting-edge platform integrates Rust-speed performance with user-friendly tools that developers cherish. Prestigious organizations rely on Chalk to address critical needs such as preventing fraudulent credit card transactions, identity verification, and optimizing clean energy utilization. Recently, we secured a $50 million Series A funding round, spearheaded by Felicis.About the RoleWe are seeking dynamic Software Engineers to become part of our innovative team. This is a unique opportunity to contribute in-person as an early employee at a rapidly growing start-up. You will engage in solving complex engineering challenges with significant autonomy and responsibility.The ideal candidate will possess a robust background in systems engineering. At Chalk, we tackle challenges that originate from the realms of DBMS query planning & optimization, compilers, and distributed analytical data processing systems.Our team employs both dynamic and static analysis of Python programs to enhance arbitrary user Python code, to infer and orchestrate the infrastructure dictated by the structure of that code, and to meticulously track metadata regarding data flow within these systems.We operate from the office five days a week, though we offer flexibility for unavoidable conflicts. Please note that this is not a hybrid role.Your ResponsibilitiesCollaborate directly with Chalk’s co-foundersDevelop in Python and RustDesign, implement, deploy, and maintain crucial components of our query planning and execution engineRapidly iterate to enhance Chalk’s platform in alignment with customer feedbackQualificationsMinimum of 2 years of professional backend software engineering experienceSolid understanding of computer science fundamentals. We prefer candidates who are comfortable constructing and maintaining real systems over those with just leet code experience.Ability to lead the development of new components within existing systems and take ownership of projects.

About UsAt Software Improvement Group (SIG), we are dedicated to helping organizations elevate their software quality through comprehensive source code analysis and customized strategic guidance.Our innovative software assurance platform, Sigrid, paired with our expert IT consultants, empowers our clients to manage their software environments effectively, transforming technology from a potential risk into a catalyst for success.With a robust market presence and ambitious growth plans, we seek individuals who are eager to contribute to our mission.Your RoleAs a Software Engineering Consultant, you will collaborate with a project team dedicated to assessing and enhancing software quality for our clients. You will provide strategic advice to IT Directors and C-Level executives in leading public and private organizations, guiding them on effective governance of software projects, timing for quality investments, and cost management. Your analytical skills will be crucial as you integrate detailed technical assessments with overarching financial analyses to tailor recommendations to specific business requirements.If you thrive in boardroom discussions and presentations, this role is an excellent fit for you! You will leverage a strong technical foundation to ensure a significant impact as a consultant.You will be part of a rapidly growing team in our NYC office, and there will be opportunities for you to shape the organization in the coming years. Your onboarding will include comprehensive training on our world-class organization, our open and scientific culture, and our array of consulting services.Why Join Us?Receive thorough training in management consulting, utilizing our SIG toolset, methodologies, and software strategies from experienced colleagues....

Job Title:Software Engineer, GlamourAbout Bombas:Bombas is a premium basics brand centered on comfort, dedicated to making a difference. Founded in 2013, we learned that socks are the most requested clothing item in homeless shelters. To tackle this issue, we donate a pair of socks for every pair sold. Our commitment to comfort has led us to create the most comfortable socks ever, and we've expanded our product line to include underwear and t-shirts, meeting the demands of those in need. Our mission continues to evolve as we innovate and serve our community with impactful products.Discover what it's like to work inside the Bombas Hive by clicking here.The name Bombas comes from the Latin word for bumblebees, symbolizing teamwork and community. We are proud of our diverse and inclusive team, working together to create the best products while ensuring that every voice is valued and heard. We strive to foster an environment where everyone feels welcome, regardless of their background.This position will be based at our Bombas HQ in New York City, as per the specific job requirements.About the Job:We are seeking a talented Software Engineer to join our Engineering Team. In this role, you will be instrumental in enhancing the systems and digital experiences that promote our mission and products. Collaborating with various teams, you will create solutions that improve the speed, reliability, and enjoyment of our online customer experiences. The ideal candidate will possess over 2 years of software engineering experience and a passion for contributing to meaningful work that supports those in need of essential clothing items.

Join Our Team at AgentioAt Agentio, we empower marketers to efficiently purchase creator-led advertisements, streamlined similarly to Meta and Google ads. Our platform automates sourcing, pricing, contracting, delivery, and measurement, transforming what used to take months into a matter of minutes.Our mission is to revolutionize an $800 billion digital advertising ecosystem by reallocating digital ad spend directly to creators. This shift ensures better results for marketers while allowing creators to earn a living reflective of their contributions. Major brands like Unilever are already reallocating significant portions of their advertising budgets towards social and creator content, necessitating robust performance-driven systems. At Agentio, we facilitate the rapid, controlled flow of these funds to creators, ensuring the same level of oversight and accountability that brands expect from traditional performance channels.Having secured $56 million in funding at a $340 million valuation, including a recent Series B led by Forerunner, Agentio is recognized as one of Forbes’ Next Billion Dollar Startups of 2025. Our platform is already a favorite among the world’s leading marketers and creators, and we’re just getting started!

At GPTZero, we are committed to fostering trust and transparency across the internet. As a premier AI detection platform, we equip educators, students, journalists, marketers, and writers with the tools they need to navigate the rapidly changing world of AI-generated content. With a user base numbering in the millions, we are pioneering a category-defining company at the confluence of AI and information integrity.Our team is comprised of individuals from high-performance engineering backgrounds, including industry leaders like Meta, Perplexity, AWS, Affirm, and renowned AI research institutions such as Princeton, Caltech, and the Vector Institute.About this role:In this pivotal role, you will be instrumental in developing the next generation of AI tools designed to enhance and preserve critical thinking for humanity. The ideal candidate will be skilled in creating dependable AI agents and prompt engineering, possess a strong product sense, and demonstrate exceptional software engineering abilities. You will collaborate with a dynamic team of passionate innovators to create software that sets industry standards and has garnered millions of global users.

OverviewPearly is seeking a talented Software Engineer based in New York City to enhance our platform, establishing Pearly as the premier payments solution for the dental industry. Our developments are designed for scale from the outset, impacting millions through user workflows, payment systems, notifications, and data synchronization.You will be responsible for not only writing application code but also building and maintaining the infrastructure necessary for safe scaling within our organization. This includes automated testing, monitoring, and internal tools. At Pearly, we emphasize craftsmanship in every project, both individually and as a collaborative team, driving product excellence to ensure we dominate our industry.Technology StackOur tech stack is at the forefront of modern development practices, prioritizing developer experience and scalability. You will engage primarily with Typescript, GraphQL, and PostgreSQL, deploying high-impact and secure code from day one. We utilize advanced open-source and cloud technologies, including Serverless Functions, GitHub Actions, Docker, and Playwright. Continuous improvement of our stack is key, especially as we integrate cutting-edge AI tools like Claude Code and Cursor.Your ResponsibilitiesFull Development Lifecycle Ownership: Participate in every phase of development, from ideation to production deployment.Platform Definition: Analyze and make informed decisions regarding data modeling, architecture, infrastructure, and tools.Effective Collaboration: Work within a flat, interconnected team where input is valued and the best ideas prevail.Future-Forward Development: Build solutions today that will meet tomorrow’s needs, with a focus on creating frameworks that anticipate future challenges.