Weekday AI (YC W21)
Open positions
Software Engineer (Trajectory)
Part-time, fully remote contract role building AI training data: you review model-generated code trajectories on SWE-bench-style tasks, reconstruct the chain-of-thought reasoning, and write structured technical annotations. Requires 2+ years of software engineering experience and strong Python/JS/TS skills; pays $70-130 USD per hour.
Software Engineer (Trajectory)
Remote, part-time contractor role reviewing and annotating frontier LLM code-solving trajectories on SWE-bench-style tasks, reconstructing the underlying chain-of-thought reasoning. Requires 2+ years of software engineering experience and strong Python/JavaScript/TypeScript skills.
Senior Python Backend Engineer | Lead & Mentor
Weekday AI, a client of Weekday's, is seeking a Senior Software Engineer with deep Python expertise to join the London-based engineering team. You will design, develop, and maintain scalable backend systems and APIs…