HubMub
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Mercor

Java Software Developer | Up to $140/hr Remote

Mercor
United Kingdom · 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: Open Source Contributor

Type: Part-time

Compensation: $80–$140/hour

Location: Remote

Commitment: Flexible hours

Role Responsibilities

  • Design and oversee the creation of evaluations for coding tasks in JavaScript, TypeScript, Python, Java, and C.
  • Analyze system behavior on real-world use cases to uncover strengths and improvement areas.
  • Communicate evaluation results effectively to the research team to support continued development and optimization.
  • Collaborate with distributed, asynchronous teams to enhance AI model performance.
  • Work independently to identify areas for contribution and execute improvements with minimal oversight.

Qualifications

Must-Have

  • Strong GitHub presence with high-quality contributions to top open-source projects in the last 12 months.
  • Expertise in Python, Java, C, JavaScript, or TypeScript.
  • Familiarity with widely-used libraries, frameworks, and tools in your language(s) of choice.
  • Excellent understanding of software architecture, performance tuning, and scalable code patterns.
  • Strong collaboration skills and experience working within distributed, asynchronous teams.
  • Comfortable using Git, CI/CD systems, and participating in open-source governance workflows.

Compensation & Legal

  • Hourly contractor via Mercor.
  • Payments processed weekly through Stripe Connect.

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

ai javascript python java typescript cicd git san c
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Country Guide

United Kingdom

Global English-speaking job market

Posted
Oct 28, 2025
Type
Part-time
Level
Not Applicable
Location
United Kingdom
Company
Mercor

Industries

Software Development

Categories

Engineering

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