Mercor

Backend Engineer - AI Coding Agent

Remote, Germany remote Entry EUR85 - EUR85
remote Technology & IT Salary listed Curated
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About the role

About the job
Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.
Position: Backend Engineer (Coding Agent Experience)
Type:Contract
Compensation:$85/hour
Location:Remote
Role Responsibilities

Use frontier AI coding agents to complete and evaluate complex engineering tasks.

Review model-generated code for correctness, quality, maintainability, and performance.

Identify bugs, edge cases, and failure modes in model outputs.

Compare outputs from multiple frontier models and assess their strengths and weaknesses.

Apply professional engineering judgment to realistic backend engineering scenarios.

Work independently and asynchronously to meet deadlines while improving AI model performance.

Qualifications

Must-Have

2+ years of professional backend engineering experience.

Experience building APIs, distributed systems, microservices, backend platforms, or databases.

Regular use of AI coding agents such as Cursor, Claude Code, Codex, Windsurf, Gemini CLI, or similar tools.

Ability to evaluate model-generated code and identify bugs, edge cases, and architectural tradeoffs.

Preferred
Experience working on large-scale production systems.
Compensation & Legal

$400 per accepted task.

Typical tasks take approximately 1–3 hours after ramp-up.

No fixed task limits.

Compensation is tied to accepted work.

Application Process (Takes 20–30 mins to complete)

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Originally posted on Himalayas

Interview prep

Walk in with sharper answers.

Use this as a quick practice sheet before you speak with the employer.

Role
Technology & IT Remote Collaboration Backend Engineer Coding Agent remote

Likely questions

  1. Tell us about work you have done that is close to the Backend Engineer - AI Coding Agent role.
  2. How would you approach your first 30 days at Mercor?
  3. Which of Remote Collaboration, Backend and Engineer have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you stay organised and communicate clearly when working remotely?

Prepare before the call

  • A recent example that proves your experience with Remote Collaboration, Backend and Engineer.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the Backend Engineer - AI Coding Agent role because I can bring practical experience in Remote Collaboration, Backend and Engineer, learn the team quickly, and contribute to the outcomes Mercor needs from this hire.

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