"open source" Jobs
553 open tech roles matching “open source”, taken straight from company career pages — not reposted from other job boards. Most in demand right now: Python, AI/ML, TypeScript. Every listing is re-checked daily and closed roles are removed.
Showing 20 of 553 results
Join Reflection AI as a Fullstack Engineer to build and operate a foundations platform for scalable developer infrastructure.
Join Datadog as a Senior Software Engineer to enhance developer productivity with innovative build and packaging tools in a hybrid work environment.
Join Reddit as a Senior Software Engineer to develop scalable solutions for millions of API requests impacting hundreds of millions of users.
Join Ava Labs as a Staff Engineer to maintain and advance AvalancheGo, contributing to a world-class blockchain development team.
Join Talos as a Software Engineer Intern to enhance trading systems in a collaborative and innovative environment.
Join Anthropic as a Staff Software Engineer to drive reinforcement learning efforts and design systems for coding capabilities.
Lead Anthropic's vulnerability disclosure program and shape industry standards for model-level vulnerabilities.
Join a small, high-agency team at MotherDuck to enhance DuckDB's performance and user experience in a cloud environment.
Join Fastly as a Staff Engineer to enhance and scale control systems for a reliable edge cloud platform.
Lead strategic partnerships with key accounts in a fast-paced blockchain environment at OP Labs.
Join Arize AI as a DevSecOps Engineer to embed security in software development across a TypeScript-heavy stack.
Join Brigit as a Fullstack Engineer to help scale a next-generation consumer finance platform with a focus on autonomy and innovation.
Join Databento as a Software Engineer to develop high-performance applications in C++ and maintain a robust C# client library.
Join Mercury's Infrastructure team to build scalable and secure foundations for engineering, focusing on cloud-native technologies.