Senior Software Engineer at Mercor

Job Description

1. 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.

2. 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

3. 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

4. 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

5. 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

6. 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

7. 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.