Develop, test, and deploy applications for internal use.
Collaborate with teammates via peer reviews and pair programming.
Support internal users and ensure system uptime.
Twilio is shaping the future of communications by delivering innovative solutions to businesses and empowering developers worldwide. They are dedicated to remote-first work with a strong culture of connection and global inclusion, with locations around the globe.
Own and evolve our public REST API and the developer experience around it, including API design and rate-limiting behavior.
Build and maintain client SDKs across TypeScript and Python, and lead the launches of our upcoming SDKs.
Ship our Agent SDK, expanding it into a surface for multi-step, agentic workloads built on OpenRouter.
OpenRouter is the leading AI routing and infrastructure layer that enterprises use to access, manage, and optimize the best large language models across providers without lock-in. It is a small, high-agency company that powers the most advanced AI teams in the world, focusing on flexibility and scalability.
Design and build the core data infrastructure powering Vantage's platform.
Own architecture decisions for systems built on ClickHouse, Temporal, Kubernetes, and Postgres.
Drive reliability, performance, and scalability initiatives across the platform as data volume and customer load grows
Vantage is the FinOps platform built for modern engineering teams. They are a high-output team of ~50 employees based in New York City with a remote-friendly culture.
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.
Design, build, and operate core cloud infrastructure across compute, storage, databases, and networking layers.
Own and improve the reliability, scalability, and security of Valon’s production systems as we scale to support major enterprise deployments.
Evaluate, adopt, and operationalize new infrastructure technologies (e.g., Vitess, Clickhouse, Redis) to meet evolving product and scale requirements.
Valon is building the AI-native operating system for regulated finance, starting with mortgage servicing. They are a Series C company backed by a16z, transforming industries that others have written off as too complex to innovate.
Own the backend services and data pipelines that power Grader scans end-to-end, from ingesting third-party signals to serving results reliably at scale.
Harden the platform before expansion by reducing latency, increasing uptime, and building the observability and alerting layer needed for scaling.
Establish platform foundations including shared abstractions, operational runbooks, and architectural patterns to reduce toil and provide a reliable base for other engineers.
Owner is an AI-native system that helps local business owners, starting with restaurants, succeed by replacing the many tools they use to run their business. The team is in the low hundreds with top talent from companies like Shopify and Stripe, and they operate as a remote-first, global company headquartered in San Francisco.
Build and maintain infrastructure-as-code for our AWS EKS and GCP GKE clusters, plus on-premises deployments.
Own CI/CD pipelines and drive GitOps adoption.
Deploy, scale, and optimize ML/NLP inference workloads.
Vectara is the Enterprise Agent Platform that enables businesses to build and deploy governed, grounded, auditable AI agents across SaaS, VPC, and on-prem. We’re a passionate team that’s hyper-focused on solving enterprise-level technology and business problems with AI.
Design, build and operate backend services in TypeScript/Node and GraphQL, delivering reliable, low-latency user-facing experiences.
Model data, evolve relational schemas (PostgreSQL) and optimise for correctness, performance and maintainability.
Monitor, troubleshoot and improve production systems: focusing on observability, incident response, reliability, and operational excellence.
Morpho is a leading Decentralized Finance (DeFi) lending protocol. They secured $50 million to build an open lending network giving anyone, anywhere, access to the best possible terms and have over $10 billion in deposits, solidifying itself as the new standard for DeFi lending.
Strong full-stack web development experience with modern frontend frameworks (React, Vue).
Expert rapid-prototyping skills and expertise with TypeScript and modern backend languages.
Strong practical experience with LLM integration and enthusiasm for pushing deeper into autonomous agent systems.
H2 Analytics is redefining how professionals train for high-stakes environments through advanced simulation and data-driven tools. They build EASE (Exercise Architect Suite), a tool used by military, intelligence, law enforcement, and emergency response organizations to develop intelligence-focused mission-critical training exercises.
Help define and drive the technical direction of our Cloud Infrastructure team within Platform Engineering.
Work across Valon’s production systems—compute, databases, storage, and networking—shaping the infrastructure foundations that every product and team depends on.
Set the technical direction for how we meet those challenges.
Valon is building the AI-native operating system for regulated finance, starting with mortgage servicing. We're a Series C company backed by a16z, transforming industries that others have written off as too complex to innovate.
Design, develop, and maintain scalable, robust backend features and APIs using modern frameworks.
Ensure high performance and reliability across our distributed systems.
Contribute to systems powering authentication, billing, AI tooling, observability, connectors, and developer experience.
Mistral AI democratizes AI through high-performance, optimized, open-source and cutting-edge models, products, and solutions, with a comprehensive AI platform designed to meet enterprise needs. They are a dynamic and collaborative team passionate about AI, with a diverse workforce thriving in competitive environments and committed to driving innovation; their teams are distributed between France, USA, UK, Germany, and Singapore.
Driving the architecture and maintenance of our NX monorepo to ensure scalability as our codebase grows.
Ownership of GitHub Actions and the internal tools (NodeJS/Golang) that power our builds, tests, and deploys.
Identifying bottlenecks in the development process and implementing solutions to reduce build times and improve test infrastructure.
Weave provides an AI-powered platform for communication and workflow. They are committed to fostering an inclusive workplace where all individuals are valued and supported.
Operating and evolving 100+ multi-cloud streaming clusters and related database infrastructure.
Diagnosing and eliminating cross-layer failure modes.
Designing safe upgrade and rollout strategies at scale.
Grafana Labs is a remote-first, open-source powerhouse with over 20M users of Grafana, its open source visualization tool. Grafana Labs helps more than 3,000 companies manage their observability strategies with the Grafana LGTM Stack, and its team thrives in an innovation-driven environment.
Lead efforts to scale and improve our infrastructure.
Develop and support internal team tooling.
Troubleshoot, debug and resolve issues as part of a shared on-call rotation.
Lillio, formerly HiMama, empowers early childhood educators through innovative tools. They are a Series B, private-equity backed company recognized as an industry leader and selected in 2025 by Time Magazine as one of the world's top EdTech companies.
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.
Design high-performance, distributed, low-latency systems
Architect, create, and deliver new features and functionality
Analyze and improve efficiency, scalability, and stability of servers and processes
OpenX is focused on unleashing the full economic potential of digital media companies. They build digital advertising markets and technologies designed to deliver optimal value to publishers and advertisers. OpenX is a team that is uniquely experienced in designing and operating high-scale ad marketplaces.
Spearhead the evolution of our scalable, secure, and high-performing platform, driving the infrastructure that fuels our startup.
Conduct gap analyses to strengthen infrastructure, maintain exceptional uptime, and enhance monitoring systems for rapid incident detection.
Mentor and develop your team, recruit top talent, and foster a culture of collaboration, technical excellence, and continuous improvement.
Ethena Labs is actively building and deploying groundbreaking digital dollar products, aiming to upgrade money into the internet era. They have scaled to $15b in 18 months and continue to develop new product lines and foundational infrastructure for a more open, efficient, and interconnected global financial system.
Own technical integration delivery for priority customers — from first API call through production scale
Write TypeScript/Node.js code to build, customize, and debug integrations with payments systems, cloud platforms, and third-party APIs
Debug complex real-world issues live with customers — crawling edge cases, data pipeline failures, infra constraints
Firecrawl is the easiest way to extract data from the web. Developers use them to reliably convert URLs into LLM-ready markdown or structured data with a single API call. They are a small, fast-moving, technical team building essential infrastructure for the AI era, having hit 8 figures in ARR and 100k+ GitHub stars in just over a year.
Develop and maintain the capabilities of our cloud platform by identification and building of new global services and scaling of the existing infrastructure.
Lead building of new core services, such as our centralized messaging system and CI/CD tooling, implement observability and fault tolerance for the new cloud platform components.
Maintain and modernize existing core services related to e.g. user identity, data and configuration management; making them scale with our very rapid user growth and rearchitecting them to more isolated services.
Oura's mission is to empower every person to own their inner potential. They provide award-winning products to help their global community gain a deeper knowledge of their readiness, activity, and sleep quality by using the Oura Ring and its connected app. Oura’s engineering organization consists of talented developers distributed across the EU and US.
Design and implement core backend systems and integrations that power the product.
Design and build our data platform (orchestration, pipelines, developer workflows)
Create scalable systems for data ingestion, transformation, and access
Avantos is building the AI-native operating system for financial services, transforming fragmented data into a single, intelligent system. They power workflows, automation, and decision-making as a product-led, fast-moving team in AI, fintech, and infrastructure.