Remote Systems Engineer: AI Model Evaluation & Performance

mercor; United Kingdom; Remote; GBP 7,497,000 - 10,204,000; Part time

Job summary

Mercor is seeking a Systems Engineer (Coding Agent Experience) for a remote contract role. You will work with frontier AI coding agents to tackle complex engineering tasks and assess model-generated designs across distributed systems.

The role requires deep experience in systems engineering, familiarity with AI coding agents, and the ability to work independently in a remote, international setting.

Qualifications

• 2+ years of professional systems engineering experience.
• Experience with distributed systems , networking , operating systems , storage systems , infrastructure software , or database internals.
• Regular use of AI coding agents such as Cursor , Claude Code , Codex , Windsurf , Gemini CLI , or similar tools.
• Ability to evaluate model-generated systems designs and implementations.

Responsibilities

• Use frontier AI coding agents to complete and evaluate complex engineering tasks.
• Review model-generated code, architecture decisions, and systems implementations.
• Identify bugs, edge cases, performance bottlenecks, and failure modes.
• Compare outputs from multiple frontier models and assess their strengths and weaknesses.
• Apply professional engineering judgment to realistic systems engineering scenarios.
• Work independently and asynchronously to meet deadlines while improving AI model performance.

Skills

Systems engineering

Distributed systems

Networking

Operating systems

Storage systems

Infrastructure software

Database internals

AI coding agents

Tools

Cursor

Claude Code

Codex

Windsurf

Gemini CLI

Job description

Mercor is seeking a Systems Engineer (Coding Agent Experience) for a remote contract role. You will work with frontier AI coding agents to tackle complex engineering tasks and assess model-generated designs across distributed systems.

The role requires deep experience in systems engineering, familiarity with AI coding agents, and the ability to work independently in a remote, international setting.