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Hiring now · posted 2d ago Tech Contract · Remote

Software Engineer - Open Source Contributions

$50–$100/hr

Published pay. The final rate depends on your test, experience and country.

Remote · Worldwide 200 openings Language: English Posted 10 Nov 2026

Software Engineer - Open Source Contributions is remote AI-training work for developers, paying $50–$100/hr, open to applicants worldwide. Posted 10 Nov 2026, still open on 13 Nov 2026. Zekai lists it for free; the application goes to the employer's platform.

About this role

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Role Title: Software Engineer — Open Source Contributions

Role Type: Contractor

Location: Remote

our partner is engaging Software Engineer — Open Source Contributions experts to participate in an impactful customer project focused on high-quality, open source software development. In this role, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required — your domain knowledge is what matters.

Scope of Work

  • Develop, implement, and refine new features within existing open source codebases using Python3, Java, Rust, C++, and Typescript.
  • Analyze and resolve complex bugs, ensuring robust and maintainable solutions that align with project standards.
  • Refactor and optimize legacy code to enhance performance, readability, and scalability.
  • Contribute to code validation processes, focusing on accuracy, output consistency, and best coding practices.
  • Utilize advanced algorithms and competitive programming techniques to conceptualize and deliver efficient solutions for intricate problems.
  • Collaborate remotely with other contributors to review proposed changes and maintain project documentation.
  • Deliver clear, concise technical write-ups to articulate solution design and implementation details.

Preferred Qualifications

  • Expert-level proficiency in at least two of the following: Python, C++, Java, Rust, Typescript, Go, or C#.
  • Extensive experience in open source contributions, particularly in feature development, bug fixing, and codebase refactoring.
  • Demonstrated expertise in competitive programming and complex coding problem analysis.
  • Strong analytical skills to interpret multifaceted problem constraints and identify multiple solution pathways.
  • Exceptional written and verbal communication skills for clear, precise technical documentation and peer collaboration.
  • Meticulous attention to detail in code review, validation, and maintenance.
  • Comfort working independently in a remote, collaborative environment with a commitment to producing high-quality, well-documented code under project deadlines.

Compensation Structure

Compensation is output-based; experts are paid per task that meets the project specifications. The time required to complete work may vary depending on the expert’s experience and workflow. Minimum submission requirements apply. Experts must submit a minimum of tasks per week.

Start Timeline & Availability

We typically fill roles within 48 hours and are looking for experts ready to jump in right away. If selected, we expect you to start your first tasks within 24–48 hours of completing onboarding.

This is a 100% remote contract role, open to applicants worldwide in the countries the employer accepts.

Python3JAVARustAlgorithmsBasics C++Typescriptbug fixingfeature implementationcodebase refactoringperformance optimization

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What to know before you apply

Pay
At the published rate, 10 hours a week would be about $500–$1,000 and 20 hours about $1,000–$2,000 before tax. Hours depend on the project, so treat this as a ceiling, not a promise.
Openings
200 openings means this is a high-volume project. You are not competing for one seat: if you pass the test, there is room for you.
Location
Open worldwide in the countries the employer accepts. Payments usually go out through services like PayPal or Wise, so check one of them works in your country.
Timing
This listing is 2 days old. Projects can close once they have enough people, so it is worth applying while it is open.
Test tips for developers
  • Run the code in your head (or for real) before judging it: correctness beats style.
  • Write the smallest failing test that proves a bug.
  • Explain fixes in two or three clear sentences. Written clarity is graded too.
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