Lead frontend architecture, including component design, state management, and performance for React and TypeScript interfaces.
Build and extend Python APIs and collaborate on data contracts, API design, and integration patterns.
Drive frontend standards, mentor engineers, and support internal tooling for operations and compliance.
Astra builds mission-critical infrastructure for moving money at scale, processing billions annually with 99.9%+ uptime. They are a remote-first, small, high-output team focused on collaboration and professional growth.
Architect production backend services and data models for financial workflows.
Build full-stack features and AI agent-powered credit risk operations.
Use modern AI-assisted development tools and contribute to engineering standards.
Gynger provides embedded financing and cash flow management for B2B tech vendors, using AI agents for credit risk. Founded in 2021 and based in NYC, the Series A startup has raised $20M and is a Built In Best Place to Work.
Own full-stack initiatives from discovery through production, ensuring reliable outcomes.
Translate ambiguous customer and operational needs into technical plans and shippable increments.
Design and maintain applications using Python/Django backend and React/TypeScript frontend.
The company is a partner organization that builds software solutions for its customers. It operates with a lean engineering team and emphasizes autonomy and accountability.
Build and ship product features end-to-end, from design to deployment.
Mentor fellow engineers and lead application architecture decisions.
Implement back-end APIs in Python and Node.JS, and work on front-ends with React, Vue, and Ember.
Optro helps enterprises transform risk into opportunity through its AI-powered GRC Intelligence Platform, trusted by over 50% of the Fortune 500. We are one of the 500 fastest-growing tech companies in North America, ranked by Deloitte for the seventh straight year, and foster a culture of innovation, collaboration, and continuous learning.
Own features on Techstars OS end to end, from data ingestion to UI, including AI-native features like semantic search and assistive workflows.
Lead the migration and shutdown of legacy founder tools, consolidating functionality into the OS or retiring cleanly.
Act as a technical resource for the team, unblocking others and maintaining context across time zones.
Techstars builds an operating system that centralizes how accelerator programs, founder support, network engagement, and investment decisions are run. It is a small, high-trust team that moves fast and ships real things.
Work across the stack to drive high-leverage projects from concept to completion and produce detailed technical specifications.
Up-level the team with expertise in API or system design, cloud infrastructure, healthcare data, or other areas while collaborating with a multidisciplinary team.
Build and refine user-facing features, establish consistent APIs, and write unit, integration, and end-to-end tests for new features.
Curai Health is a healthcare company that uses artificial intelligence and clinical expertise to make care more affordable, accessible, and effective. They are a mission-driven team of talented colleagues committed to collaborating closely and driving meaningful impact in healthcare.
Build product-facing tools for browsing environments, inspecting trajectories, and understanding model behavior.
Develop vendor-facing workflows to create, submit, test, and iterate on RL environments and training data.
Create dashboards and observability tools surfacing environment quality, eval results, and pipeline health.
This company builds a reinforcement learning data engine for frontier AI labs, creating and iterating on training data. They have offices in San Francisco and Singapore, offering a culture that values independence and high agency.
Build and ship end-to-end product capabilities across frontend and backend systems.
Develop user experiences using TypeScript and React, along with services and APIs using Go, Python, or comparable tools.
Collaborate with Product, Design, Data, and engineering partners to balance usability, performance, reliability, and time to value.
LaunchDarkly provides a feature management platform that helps engineering teams ship software and AI with speed, safety, and control. They are a growing company that values humble, open, collaborative, and kind teams.
Learn new concepts and technologies quickly and apply them to challenging problems
Design and build robust and extensible infrastructure to handle evolving and complex federal, state, and agency regulations
Dive deep to understand the inner workings of a highly complex industry
Valon is building the AI-native operating system for regulated finance, starting with mortgage servicing. It is a Series C company backed by a16z, managing $110+ billion in loans, with a culture of autonomy and high business impact.
Design, develop, deploy, and demonstrate feature-rich applications for Army test and evaluation.
Conduct research and create products supporting high-speed acquisition logistics initiatives.
Learn emerging technologies and programming tools to keep you and your team well equipped.
DS2 provides full life-cycle software engineering services to DoD, federal, and commercial clients. The company emphasizes teamwork, customer focus, and a culture where working hard and playing hard are both important.
Building intuitive, responsive, and maintainable user experiences using technologies such as JavaScript, TypeScript, React, Angular, and/or Vue.
Developing clean, well-tested, and maintainable code while following established engineering practices and standards.
Owning small-to-medium features from development through testing and deployment, identifying edge cases and raising risks or dependencies along the way.
Sphinx builds software to solve complex national security problems in Space. Founded by engineers and technologists, the company emphasizes collaboration, transparency, and individual responsibility.
Build and maintain Typescript driven web applications with in-house and open source frameworks.
Collaborate with teams to design, develop, test, implement, and support full-stack solutions.
Perform code reviews and technical documentation for peers.
Evolve makes vacation rental easy for everyone. The team runs on curiosity, communication, and accountability, striving for exceptional experiences for owners and guests.
Architect and implement new features while maintaining existing functionality.
Debug and investigate bugs reported by customers.
Partner with Product and Design teams to plan feature development.
GoodTime is the leader in complex interview scheduling automation for enterprise talent teams. The company fosters a Culture of Entrepreneurship built on autonomy, accountability, and collaboration.
Build interfaces for AI-powered products used by millions, including real-time chat, inline agent suggestions, document editors, and agent builder tools.
Design and implement rich, responsive user interfaces in React and TypeScript, working across the Superhuman product suite.
Tackle hard interaction design problems: streaming content, complex state management, and multi-surface interactions with a strong emphasis on documentation and testing.
Superhuman builds an AI productivity platform that works across every surface, including Go (proactive AI assistant), Mail, Docs, and enterprise controls. The company is remote-first and values autonomy, trust, and a highly collaborative culture, with team member resource groups like BIPOC, LGBTQIA+, women, and parents.
Build full-stack tools for reviewing tasks, inspecting agent trajectories, and checking graders.
Create dashboards and metrics to surface quality trends, failure modes, and review health.
Work with QNI and research engineers to scale quality workflows into reliable production products.
HUD builds infrastructure to create RL training data and evals for frontier AI agents, as well as a marketplace to sell these to frontier labs. The team is ~25 people, mostly full-time in-person but some remote, with backing from top VCs and YC W25.
Lead end-to-end development of product features from design through deployment and ongoing support.
Architect and build scalable backend services and APIs using TypeScript/Node.js.
Collaborate cross-functionally with Product, Design, CX, and Integrations to deliver customer-facing functionality.
Meadow is a modern payments platform for higher education that simplifies the entire student financial experience. They are a highly ambitious, talented team transforming the $600 billion higher education payments industry.
Refine and improve existing product functionality with focus on usability, consistency, responsiveness, performance, and visual quality.
Build and maintain scalable full-stack solutions and implement thoughtful frontend interactions across the product.
Collaborate with full-stack, data, ML, and DevOps engineers to evolve capabilities and own projects from concept to completion.
Jobgether is an AI-powered job matching platform connecting candidates with opportunities. The hiring partner is a growth-stage company with an ambitious, international, and multidisciplinary team working on technology for a major global industry.
Design, build, ship, and own end-to-end product features used by thousands of developers and hundreds of millions of end-users.
Work across frontend, backend, and data boundaries, making thoughtful tradeoffs to deliver reliable, high-quality systems.
Take ownership from problem definition through production rollout and long-term maintenance, including scoping and prioritization.
RevenueCat gives app businesses the infrastructure and tools to build, run, and improve their monetization. We're a remote-first team of 150+ people across 25+ countries, guided by values we actually practice: Customer Obsession, Always Be Shipping, Own It, and Balance.
Own and deliver quarterly goals for your team, leading engineers through ambiguity to solve open-ended problems.
Collaborate with product management, design, and analytics to articulate technical constraints and partner on key decisions.
Foster a culture of quality and ownership by setting code review and design standards and advocating through writing and tech talks.
Affirm is a financial technology company that offers clear, predictable pay-over-time solutions for consumers. It is a remote-first company with a culture of care and transparency, providing comprehensive benefits and supporting employee growth.
Design, build, ship, and own end-to-end features used by thousands of developers and millions of end users.
Bring a strong backend foundation while contributing confidently across frontend, backend, and data layers.
Work in a fully remote and autonomous environment, collaborating closely with Product and engineering teams.
Our partner is a fast-growing technology company backed by Y Combinator, building scalable systems for developers and end users. The company fosters a fully remote, autonomous culture with high engineering standards and continuous improvement.