Senior Software Engineer (L5+) - Remote Eligible

Senior Software Engineer (L5+)

$300 per hour

Role Overview

Mercor is collaborating with a leading AI research group to engage a Senior Software Engineer (L5+) for advanced project work. This engagement involves building and scaling systems that leverage Python, APIs, and RL (Reinforcement Learning) environments. Contractors will contribute to designing projects end-to-end, guiding technical direction, and supporting execution. This is a part-time but intensive, mid-term engagement (3+ months) with a strict weekly commitment.

Key Responsibilities

• Design and implement technical solutions using Python, APIs, and RL environments
• Able to lead and guide a small technical team on project deliverables
• Translate client needs and feedback into actionable project plans and technical architectures
• Leverage MCP (Model Context Protocol) for advanced system integration

Ideal Qualifications

• 5+ years of professional experience in software engineering, including technical leadership of a quarter+ long project
• Proven expertise with API design/integration; Python experience preferred
• Ability to independently drive projects from design through delivery
• Excellent communication skills and comfort presenting technical work to clients
• Bonus: Familiarity with RL environments, MCP, and other modern AI tooling

More About the Opportunity

• Remote engagement with asynchronous collaboration
• Strict weekly commitment: 15–25 hours per week, minimal time off during the contract
• Project duration: minimum 3 months, with potential extension
• Contractors expected to consistently deliver on weekly milestones

Compensation & Contract Terms

• $250–350 / hour for U.S.-based contractors, depending on experience
• Payments processed weekly via Stripe Connect
• Contractors are engaged as independent professionals

Application Process

• Submit your resume to get started
• Complete two virtual interviews covering relevant technical expertise
• Mercor team will follow up within a few days regarding next steps

About Mercor

• Mercor is a talent marketplace that connects top experts with leading AI labs and research organizations
• Our investors include Benchmark, General Catalyst, Adam D'Angelo, Larry Summers, and Jack Dorsey
• Thousands of professionals across domains like law, engineering, research, and creative services partner with Mercor to contribute to frontier projects shaping the future of AI

We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request.