Open Sourcerer

The repo allowlist doubles as the hiring-signal list, with vLLM above all: Red Hat, which employs much of its core team, literally lists contribution familiarity as a plus. SGLang and FlashInfer count equally. The request trace you wrote in vLLM, Deeply is your map here; the best first issues are the ones you can locate in that trace within minutes. Expect the social half (CI, review latency, maintainer taste) to be half the work, and budget patience for it. That isn't friction around the skill. It is the skill.

The three verified PRs escalate on purpose. The first proves you can land anything at all. The second, performance or correctness work with benchmark numbers in the description, proves you can do the actual job. The third turns a data point into a pattern, which is exactly what a hiring manager scanning your GitHub is looking for.