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OpenTrain AI

Python Infrastructure Engineer — LLM Training & Agent Tooling [AS‑L]

OpenTrain AI · Remote · Worldwide · Posted Jun 9, 2026

Apply for this job Hourly · $12.5/hr

We need senior‑minded Python engineers to design and maintain the infrastructure that powers our LLM‑training workflow. You’ll architect secure sandboxes, task environments, and CI/CD pipelines; write clean, test‑driven code (pytest); containerize services with Docker; and support researchers who rely on these tools. Applicants should bring 5 + years of professional Python experience, strong Linux command‑line skills, familiarity with FastAPI/Flask back‑ends, and hands‑on knowledge of GitHub Actions or similar CI. Comfort mentoring teammates and adopting AI coding tools (e.g., Cursor, Claude Code) is a plus.

The project delivers reusable repositories, scoring pipelines, and developer environments for evaluating agent performance. Work is fully remote for candidates in the Asia‑Low region (Afghanistan through Vietnam). Hourly rates are tiered by experience: Junior $9, Middle $12, and Senior $16 USD. Selected candidates will complete a quick HackerRank assessment and platform coding test before scheduling recruiter interviews.