This job post has expired on August 30, 2025. It is likely that the position has already been filled.

Hourly Contract | Remote | $75–$100/hour
Mercor is seeking experienced, detail-oriented Software Engineers to collaborate with a top AI research lab in developing advanced Reinforcement Learning (RL) environments. Your expertise will be instrumental in designing, building, and maintaining high-performance interactive systems and data pipelines.
3+ years of professional software engineering experience.
Strong proficiency in at least one language: Python, Java, TypeScript, JavaScript, PHP, Ruby, C++, Go, Rust, C, or Cython.
Experience developing interactive systems, APIs, and data pipelines involving agent-environment interactions.
Solid foundation in software engineering principles: data structures, design patterns, unit testing, and version control.
Familiarity with reinforcement learning (RL) algorithms and training workflows.
Excellent verbal and written communication skills.
Fully remote and asynchronous, offering a flexible schedule.
Initial workload: 10–20 hours per week, with potential to expand to 40 hours.
Project duration: minimum 1–2 months, with the possibility of extension.
Currently accepting candidates from the U.S., UK, Canada, Australia, and New Zealand.
Hourly contractor classification.
Weekly payments via Stripe Connect.
Mercor connects elite technical talent with groundbreaking AI research initiatives. Based in San Francisco, CA, our notable investors include Benchmark, General Catalyst, Peter Thiel, Adam D’Angelo, Larry Summers, and Jack Dorsey. Mercor is committed to diversity, inclusivity, and providing reasonable accommodations upon request.
Apply today and leverage your software engineering skills to advance cutting-edge AI technologies!