Senior Software Developer

Mercor Mercor is recruiting U.S./UK/Canada/Europe-based SWEs for a model-training project with a leading foundational model AI lab. Job Overview This is a contract role requiring around 20 hours per week, at least one month long, with pay of $100 per hour based on experience. Successful contributions increase the odds of being selected for future projects.

Qualifications Experience working at top U.S. tech firms. Proven track record of building and maintaining complex, production‑grade Python systems, not just scripts or notebooks but full‑featured services, tools, or frameworks used in real‑world environments. Deep understanding of Python language fundamentals, including advanced features like decorators, generators, async/await, context managers, and performance tuning (e.g., profiling, memory optimization).

Experience designing modular, testable codebases, using modern Python tooling and best practices (e.g., FastAPI, Pydantic, type hints, dependency injection, unit/integration testing frameworks). Interview Process The vetting process involves a 90‑minute technical interview conducted by a human, focusing on Python. LLMs or Stack Overflow can be used, but you will not be allowed to use an AI IDE.

You will hear back within two weeks. Compensation and Legal Status Pay: $100 per hour based on experience. Contract: Minimum one month.

Commitment: Around 20 hours per week. #J-18808-Ljbffr