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Backend Engineer (Coding Agent Experience)

Mercor

·

Jun 15, 2026

Salary
$85+/hr
Location
US
Workplace
Remote
Type
Full-time
Department
Engineering
Experience
2+ years
Closing date
2 weeks ago
Source
CareersPage

Description

**About the Role**

\- Mercor is partnering with a leading AI research lab to support a Frontier Code Agents project.

\- Contributors help evaluate and improve frontier AI coding models through structured technical assessments.

\- The work focuses on realistic software engineering workflows and model evaluation rather than traditional software development.

\- Spots are limited and filling quickly on a first come, first serve basis.

**What You'll Do**

\- 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.

**Time Commitment**

\- Sprint based project that runs in 12-24 hour stretches based on client requirement.

**Compensation**

\- $400 per accepted task.

\- Typical tasks take approximately 2–3 hours after ramp-up.

\- Compensation is tied to accepted work.

**Who Should Apply**

\- 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.

\- Experience working on large-scale production systems is preferred.

Skills

Microservices

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