HubMub
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Mercor

Back End Developer

Mercor
Netherlands · Part-time · Not Applicable
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: Rust Developer

Type: Part-time / Contract

Compensation: $50–$85/hour

Commitment: 10–20 hours/week

Role Responsibilities

  • Design challenging coding problems with clear input/output specs, constraints, and explicit function signatures.
  • Develop complete mini-repos, including problem statements, reference solutions, comprehensive unit tests, and executable test runners.
  • Implement clean, production-quality Rust code aligned strictly with test expectations.
  • Write high-coverage tests covering edge cases, invalid inputs, concurrency issues, and performance constraints.
  • Ensure full executability with no missing dependencies, borrow checker violations, or build configuration issues.

Qualifications

Must-Have

  • 3–6 years of professional software development experience with strong experience in Rust.
  • Strong proficiency in Rust fundamentals, including ownership, borrowing, lifetimes, and trait-based design.
  • Experience building backend services using frameworks such as Actix Web, Axum, Rocket, or similar.
  • Working knowledge of async programming (Tokio, async/await).
  • Experience with databases: PostgreSQL, MySQL, MongoDB.
  • Experience writing unit and integration tests using Rust’s built-in testing framework.
  • Familiarity with Cargo, Docker, and basic CI/CD workflows (GitHub Actions or similar).
  • Strong understanding of memory safety, concurrency models, and performance optimisation.
  • Comfortable working with Git-based collaboration (PRs, issues, reviews).

Application Process (Takes 20–30 mins to complete)

  • Upload resume
  • AI interview based on your resume
  • Submit form

Resources & Support

  • For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome/welcome
  • For any help or support, reach out to: [email protected]

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.

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Key Skills

Ranked by relevance

rust ai postgresql docker mysql cicd git san
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Country Guide

Netherlands

30% Tax Ruling for expats

Posted
Mar 06, 2026
Type
Part-time
Level
Not Applicable
Location
Brabantine City Row
Company
Mercor

Industries

Software Development

Categories

Engineering

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