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.
Own features end-to-end, from technical approach and build through release and production performance.
Work with AI coding tools daily and develop agentic engineering habits in a high-tempo team.
Build across frontend, backend, and mobile using TypeScript, React, Node, Angular, MongoDB, and AWS.
Sitemate builds software and AI agents for the built world, helping construction, infrastructure, and industrial companies work smarter. Backed by Blackbird, it has 200 people across 18+ countries, with a culture of transparency, high velocity, and innovation.
Build fullstack features across search, scenario mining, and agentic tooling.
Work directly with model developers and researchers to define and measure success before building.
Own features end-to-end, from shaping ideas to shipping robust, maintainable software at scale.
Wayve builds the leading AI platform for autonomous driving, using an end-to-end approach that lets vehicles learn from real-world experience. They operate across global hubs with a hybrid culture focused on innovation, ownership, and collaboration.
Work with the frontend engineer to improve the product interface and remove bottlenecks to shipping.
Build and deliver features end to end, from architecture through deployment and reliability.
Establish practices for agent-driven software development and help coding agents produce reliable results.
We are an early-stage AI team building software for engineering design and simulation. As a small startup, we value ownership and adapting to changing priorities.
Develop and deliver full-stack AI-powered applications on top of Unframe's platform.
Work closely with customers and internal teams to tailor solutions and extend the UI/UX layer.
Collaborate with platform and research teams to integrate AI capabilities into production use.
Unframe is an AI-first startup helping large enterprises bring LLM-powered applications to life in days, combining the speed of a product company with the flexibility of a consultancy. With over $100M in TCV and a new $50M Series B, Unframe is scaling globally alongside Fortune 500 customers, backed by Bessemer, Craft, and TLV.
Build application components and pages with modern frontend frameworks.
Implement real-time data feeds and pipelines using WebGPU, MQTT, and Redpanda.
Design data models and integrate machine learning models into the application.
Spear AI is a defense contracting company that builds a data management and artificial intelligence platform for maritime domain awareness, including sonobuoy sensors and SONAR data processing. The team is small with a flat organizational structure where employees collaborate directly with leadership and focus on mission-critical work.
Lead development of highly interactive web experiences on an existing 3D interface and graphics engine.
Architect, implement, and optimize consumer-facing web applications connected to the platform's 3D capabilities.
Provide technical leadership and hands-on engineering for a distributed web team.
Nortal is a digital transformation company delivering complex solutions for global enterprises and public sector organizations, now focusing on AI-driven transformation. They champion autonomy, open communication, and respect for diversity, with a close-knit remote team across Latin America.
Build and ship product features end to end across React, TypeScript, Django, Python, GraphQL, and surrounding systems.
Own meaningful product areas from idea through implementation, rollout, monitoring, and iteration, partnering closely with Product and Design.
Use AI coding agents deeply in daily workflow and help develop new tools, practices, and workflows to improve how the team builds software.
Fellow is an AI meeting assistant that helps teams turn conversations into decisions and action, built with privacy and security in mind. They are a remote-first company with optional office space in Ottawa and Montreal, and value speed, craftsmanship, and AI-native development.
Build and ship full-stack features end-to-end for member-facing web applications
Work primarily in TypeScript with React and Next.js, owning deployments via CI/CD and Vercel
Partner with product and design to create AI-powered member experiences that make healthcare more accessible
Sidecar Health is redefining health insurance by making excellent healthcare affordable and accessible for everyone. It's a mission-driven startup with a passionate, diverse team from tech, policy, and healthcare backgrounds.
Develop and deliver full-stack AI-powered applications on top of Unframe's platform.
Work closely with customers and internal teams to tailor solutions to enterprise needs.
Write clean, tested, and maintainable code with a focus on production readiness.
Unframe is an AI-first startup helping large enterprises launch LLM-powered applications rapidly. With $50M Series B and over $100M TCV, it scales globally with Fortune 500 customers, backed by Bessemer, Craft, and TLV.
Ship product end to end, from backend services and APIs to dashboard and developer-facing UIs.
Build the tools developers and agents use to reach Nango: APIs, SDKs, CLI, MCP and the web app.
Work directly with customers to understand their integration and agent use cases, then turn what you learn into a product.
Nango is a developer infrastructure company providing API access for agents and apps, enabling AI applications to connect to the real world through integrations. It is YC-backed with multi-million ARR, a team of 14, and over 700 paying customers including Replit and Ramp.
Build AI agents and automated workflows for clinic operations, from insurance verification to clinical documentation.
Own features end to end across web, mobile, backend, data models, and infrastructure.
Work directly with clinicians and operators to turn ambiguous problems into shipped, production-ready systems.
3Y Health is building an AI-native operating system for healthcare practices, providing software and managed services for clinics. The company serves ABA therapy practices and is expanding, with a flat engineering team that works across the whole platform.
Own the experience and technology by building production-ready applications with React, Next.js, TypeScript and Node.js.
Create new ways for people to interact with our products through AI-powered interfaces, conversational UIs and agent workflows.
Collaborate with Product, UX/UI and Engineering to build scalable, reliable and maintainable software.
smartclip Europe GmbH is a technology company building production-grade software products at the intersection of AI, engineering, UX and product. It operates with a remote-first, high-agency culture focused on ownership, experimentation and continuous learning.
Design, develop, test, deploy, and maintain software with clean, high-quality code.
Build new features and improve architecture, tooling, and system efficiency.
Collaborate with product managers, engineers, and designers to deliver impactful user-facing solutions.
Eneba operates an open, safe, and sustainable online marketplace for gamers, serving over 20 million active users. The company has a fast-growing, international team that values experimentation, collaboration, and continuous learning.
Own products and systems end to end, from ambiguous customer problems through architecture, implementation, and launch.
Build reliable backend systems for real-time bidding, payments, vault workflows, and partner integrations.
Use AI deeply to prototype, build, and iterate, and own the quality of what ships.
Alt unlocks the value of alternative assets, starting with the $5B trading-card market, letting collectors buy, sell, vault, and finance their cards in one place. Backed by leaders from Stripe, Coinbase, and pro athletes, it's a remote-first startup focused on real-time pricing and AI-native workflows.
Developing data-visualisation applications and new features for displaying large process data effectively.
Building interfaces and real-time frontend services for multi-user editing and AI model retraining.
Owning projects end-to-end, participating in architectural decisions, and improving team processes.
Mimica is an AI-powered process intelligence platform that analyzes work and generates AI agents to automate tasks, helping enterprises reclaim time. The company is a remote-first, globally distributed team of 60 people with a culture of high ownership, transparency, and collaboration.
Drive self-serve product offerings to grow new revenue and support core business activities.
Design and build frontend and backend systems with good design patterns for extensibility.
Ensure data integrity and reliable source of truth for key business operations.
People Data Labs is a provider of people and company data, enabling customers to build innovative, compliant data solutions. They emphasize a collaborative, one-team culture with autonomy, ownership, and a focus on learning and growth.
Partner with a frontend engineer to improve the product UI and speed up production releases.
Gradually take on backend-leaning full stack work, including features, infrastructure, and systems.
Own features end to end, including architecture, deployment, and reliability.
They are an early-stage AI engineering software company building tools for designing physical systems. The small team emphasizes an agent-driven approach to software development with a collaborative culture.
Design, build, and ship end-to-end AI applications using Pinecone's retrieval and knowledge infrastructure.
Develop full-stack solutions spanning frontend interfaces, backend services, APIs, data pipelines, and LLM integration.
Experiment with emerging AI patterns like RAG, agents, tool use, and agent memory while working closely with customers and internal teams.
Pinecone is the trusted AI knowledge company, providing an AI knowledge platform including Database, Nexus, and Marketplace products to power accurate, fast, and cost-effective AI applications. The company serves more than 10,000 customers and 1M developers worldwide, with a mission to make AI knowledgeable.