Firecracker Jobs - May 2026

Steel is open-source browser infrastructure for AI agents and apps. It helps developers ship products that interact with the web without spending most of their time on browser pools, proxies, CAPTCHAs, and session state. In 2025 it grew 50x with thousands of …

Tangled is the next-generation social coding platform offering git repository hosting, stacked PRs, Nix-based CI and more. The company recently raised a €3.8M ($4.5M) seed round to build infrastructure for open source. Projects include a fully revamped CI (sp…

Hi HN, I'm one of the founders. We're building a general-purpose automation platform to let your grandma automate anything a person can do online. Think manus.im, but taken further. We're looking for an experienced backend and applied AI engineer to help scal…

We’re building an open-source infrastructure for AI code interpreting/code execution in our Sandboxes. We have customers like Perplexity, Vercel, Hugging Face, You.com, and a lot of new exciting startups building in AI space. We have revenue, are growing, and…

At Tangram, we are making a programmable build system and package manager. We are looking to work with programmers who have experience with systems programming, Linux, and Rust. As a founding engineer on a small team, you will have the opportunity to work on …

Hi, I'm Vasek. CEO of E2B. We're building an open-source cloud runtime for AI agents. We've been focused on making it easy to run AI-generated code in the cloud securely in our sandboxes (code interpreting). Users have started over 2.5M of our sandboxes (>1.3…