Senior software engineers designing and evaluating real-world coding tasks for Mercor’s frontier AI research projects. Assessing AI-generated code and training next-generation software engineering models.
Responsibilities
Design realistic, challenging software engineering tasks based on real-world work
Create tasks involving feature changes, debugging, root-cause analysis, code review, system design, architecture decisions, codebase Q&A, and technical documentation and planning
Write clear task proposals explaining realism, verification, and difficulty for current AI models
Write reference solutions, tests, and precise task-specific criteria covering correctness, architecture, maintainability, style, and scope
Assess AI-generated code and engineering work
Work alongside AI coding agents to evaluate their strengths and weaknesses
Apply consistent, evidence-based judgment to produce reproducible and defensible assessments
Receive structured feedback from senior reviewers and iterate on submitted work
Train and evaluate frontier AI models using software engineering expertise
Requirements
4+ years of professional software engineering experience
Experience at a leading technology or quantitative firm, top financial institution, or high-growth household-name technology company
Mid-senior or senior-level title where applicable
Machine Learning, Infrastructure, Data, Security, and Quant Developer engineering experience may qualify
Strong command of at least one major language such as Python, Java, C++, Go, TypeScript, or Rust
System design, testing, debugging, and code review experience
Ability to work in large, complex production codebases
Ability to judge code quality beyond whether tests pass
Excellent written English and ability to explain technical decisions and trade-offs clearly
Bachelor's degree from an English-speaking country
Detail-oriented and consistent approach to evaluating complex work
Comfortable receiving feedback and calibrating judgment against set standards
Must not require H1-B or STEM OPT support
Benefits
Fully remote role
Flexible own schedule
Weekly payments via Stripe or Wise
Independent contractor engagement
Projects may be extended, shortened, or concluded early depending on needs and performance
Competitive pay
Collaboration with leading researchers
Opportunity to help shape the next generation of AI systems
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