Build and maintain integrations with agent frameworks and model providers, including AG-UI protocol adapters.
Design clean, idiomatic APIs that feel native to each framework while maintaining ecosystem consistency.
Work directly with partner teams to coordinate releases, resolve compatibility issues, and influence roadmaps.
CopilotKit is an open-source platform for building AI Copilots designed to work with users inside of real applications. The company has a vibrant community with 40k+ GitHub stars, millions of weekly installs, and is used by companies ranging from startups to Fortune 100s.
Build and ship high-quality, customer-facing products and features like dashboards and billing systems.
Own products end-to-end from concept to production, ensuring they are performant, reliable, and user-delightful.
Partner with product and design teams to shape what is built, identify bottlenecks, and optimize system performance.
OpenRouter is a leading AI routing and infrastructure layer that enables enterprises to access, manage, and optimize large language models across different providers. It is a fast-moving company that powers advanced AI teams with a small, collaborative environment focused on flexibility and scaling.
Contribute to key architectural decisions and support a large scale re-imagining of our Site Generation and Site Builder Experience
Design and build cloud-native APIs, services, and front-end experiences used across our platform to support building Websites
Collaborate with cross-functional teams to deliver AI-powered workflows to Site Building experiences
Luxury Presence is building the AI growth platform for real estate. Backed by Bessemer Venture Partners and other top investors, they're a Series C company on track to hit $100M in annual recurring revenue in the next six months.
Take ownership of entire product surfaces from day one.
Talk to customers, identify problems, design solutions, build them with AI tools, ship them, and iterate based on what you learn.
Review work, provide clear feedback, explain technical concepts in plain language, and help raise the quality of everything that goes out the door.
Toku enables companies of any size to compliantly compensate their employees with any asset, through any payment rail, anywhere in the world. They are a small team that ships fast, measures progress daily, and builds with AI agents as a default.
Own and evolve cloud and edge infrastructure across providers like Cloudflare, Google Cloud, and Vercel.
Scale and operate the data layer including Spanner, ClickHouse, and Postgres to handle growing traffic.
Optimize performance for LLM inference and partner on capacity, reliability, and cost across the routing layer.
OpenRouter is the leading AI routing and infrastructure layer that enterprises use to manage and optimize large language models across providers without lock-in or capacity constraints. It powers advanced AI teams with a flexible and future-proof platform for operationalizing LLMs across various workloads.
Build and own product and platform capabilities across Spiral and AXO, from early prototypes to production systems.
Design and implement AI-powered workflows, agent capabilities, and backend services that are scalable, secure, and reliable.
Develop high-performance APIs, async workers, and application logic in Python and TypeScript.
UJET leads in AI-powered contact center innovation, offering a cloud platform that redefines customer experience. They ensure security, scalability, and prioritized data insights, partnering with businesses for smarter decision-making and accelerated growth in the AI-driven world.
Create and evolve developer documentation for Plaid’s APIs.
Design and build sample applications, demos, and tutorial videos.
Improve and maintain developer-facing resources.
Plaid is dedicated to empowering the transformation of how people interact with their finances by building tools and experiences for developers. They work with thousands of companies and are headquartered in San Francisco with offices in multiple locations.
Own the technical direction for AI platform systems.
Establish standards and patterns for reliable, scalable, and responsible AI development.
MeridianLink provides software for credit unions, enabling them to offer intelligent features to their clients. The company values innovative solutions and the Staff Software Engineer will be a high-ranking individual contributor.
Participate in research and development activities for AI-driven documentation solutions
Take ownership of features from concept to implementation, including front-end development, AI components, and service integrations
Develop and maintain front-end applications using React (TypeScript, Vite preferred)
Sigma Software helps global ICT leaders. They value innovation, ownership, and collaboration, offering a flexible, remote environment and a supportive culture with professional growth opportunities.
Develop full stack software using Typescript, MySQL, React, and Next.js.
Direct AI coding agent(s) to assist you in building great things quickly , while maintaining a production quality codebase.
Own features big and small from the idea phase through to production
Ethena provides compliance training that customizes itself to each user. They combine training content with AI to adapt training and reflect a company’s brand, roles, policies, and risks. Ethena supports 1M+ learners across 2,000+ organizations and has a 93% learner approval rating.
Lead the technical evolution of our game platform, making architectural decisions that balance immediate delivery with long-term scalability and maintainability.
Design and build shared game infrastructure — progression systems, content pipelines, analytics integration, platform APIs — that accelerates development across all titles.
Mentor and develop other engineers through code review, pairing, architectural guidance, and career development conversations.
Wolf Games is building the platform for generative entertainment universes — living, ever-expanding worlds where creators, players, and AI collaborate in real time. They are a small, creative, and collaborative team that values curiosity, craftsmanship, and experimentation.
Lead the design and delivery of major AI-powered product initiatives from concept through production, owning the full software development lifecycle
Define the technical architecture for AI systems at SecurityScorecard: LLM pipelines, agentic workflows, retrieval infrastructure, and evaluation frameworks
Set the standard for how the engineering organization builds with AI, including development practices, tooling choices, and quality bars
SecurityScorecard is the global leader in cybersecurity ratings, with over 12 million companies continuously rated, operating in 64 countries. Our culture has been recognized by Inc Magazine as a "Best Workplace,” by Crain’s NY as a "Best Places to Work in NYC," and as one of the 10 hottest SaaS startups in New York for two years in a row.
Develop integrations by researching and working with unfamiliar healthcare APIs.
Build services and applications alongside your team and support those applications in production.
Participate in design sessions, stand-ups, and sprint planning and grooming meetings.
DrFirst empowers providers and patients to achieve better health through intelligent medication management. They improve healthcare workflows and help patients start and stay on therapy with end-to-end solutions that enhance prescription access, affordability, and adherence. This is a great opportunity to be a part of a successful Healthcare IT company experiencing significant growth.
Own features end-to-end — from task breakdown to production deploy
Design and build server-side logic (REST and RPC APIs, services, integrations)
Implement user interfaces — clean and fast, without over-engineering
SweedPos is a product-driven startup building an all-in-one cannabis retail platform. Their enterprise-grade platform combines POS, eCommerce, Marketing, Analytics and Inventory Management into a single, seamless solution eliminating the need for multiple third-party tools.
Build and maintain our frontend SDKs and developer interfaces
Shape how developers integrate with Benji visually and programmatically
Drive AI-native development workflows across our frontend and developer tooling
Benji is building the infrastructure layer for loyalty and brand connectivity. They enable companies to integrate, launch, and scale loyalty experiences across partners through a single platform—turning fragmented ecosystems into programmable networks.
Think product-first - own outcomes and ensure work delivers customer impact.
Design, build, and ship features end-to-end, from definition through production.
Use AI as a core part of your workflow - writing specs, generating code, and critically evaluating outputs.
Digible is a digital marketing company founded in 2017, providing solutions for the multifamily industry with their predictive analytics platform, Fiona. They pride themselves on a collaborative, transparent, and authentic culture, and has been recognized as a Top Workplace in Colorado.
Collaborate with product managers and designers to build business-critical features.
Ship production-ready code across the stack: Typescript, React, GraphQL, Node.js, PostgreSQL, AWS.
Proactively fix production and development issues to accelerate your growth as an engineer.
Transcend is the compliance layer for customer data, enabling enterprises to activate AI responsibly and at scale. They are growing quickly and backed by top-tier investors, driven by the belief that building robust infrastructure for responsible AI and data rights is impactful.
Work directly with customers to evaluate use cases and guide technical decision-making.
Design and prototype integration examples using Turnkey's APIs and SDKs.
Contribute to customer-facing materials and collaborate with Sales, Product, and Engineering.
Turnkey provides secure, flexible, and programmable key management, allowing companies to launch crypto products without ever touching private keys. They operate as a lean organization with a low hierarchy, empowering each person to take full ownership over their work and results.
You’ll help establish patterns, ship early AI-driven capabilities, and influence the technical direction of AI across multiple products.
This is a full-stack role where you will build and ship AI-powered features across the Momence platform.
Collaborate with teams across Momence, Mariana Tek, and other platforms to identify high-impact opportunities for AI.
Xplor provides cloud-based technology solutions to small and medium-sized businesses to help them manage and grow. They have over 130,000 businesses in 72+ countries rely on Xplor.
Developing, maintaining, and supporting libraries and third-party integrations for the Elastic Stack across a range of programming languages
Building and evolving integrations with GenAI frameworks, agentic tooling, and the broader AI ecosystem
Using AI coding tools daily for writing, reviewing, and testing code, as a core productivity lever
Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intelligence of AI to enable everyone to accelerate the results that matter.