Open source Jobs - May 2026

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E2B

Posted 1 week, 5 days ago

E2B is building infrastructure for AI agents and has become an open source standard for agentic workflow sandboxes. Customers include Perplexity, Groq, Manus, and more. The company is experiencing rapid growth and is hiring for technical and non-tec…

Roles
Platform Engineer Head of Finance Founding Designer AI Business Operations Leader DevRel Engineer Customer Support Engineer Product Engineer (frontend focused) Product Engineer Distributed Systems Engineer Forward Deployed Engineer Security Engineer

Tech Stack
Open source agentic workflow sandboxes AI agents

Locations

San Francisco, Prague, Remote
Mattermost

Posted 3 years, 8 months ago

Mattermost is a flexible, open source messaging platform that enables secure team collaboration. Try out Playbooks for Incident Collaboration and Focalboard for open source project management

Roles
Senior Data Engineer Senior Backend Cloud Engineer Full Stack Engineer - Calls team Product Manager - Playbooks team Full Stack Engineer - Growth team Senior React Native Engineer - Mobile Platform team Senior Site Reliability Engineer GRC Manager Senior Full Stack Engineer - Suite users team Lead Product Security Engineer Product Manager - Calls team Senior Product Designer - Cloud team

Tech Stack
Open source