This job post has expired on May 09, 2025. It is likely that the position has already been filled.
Senior Software Engineer – Open Source Expert
$100–$210/hr | Remote Hourly Contract
We are primarily recruiting candidates based in the US, Canada, or Europe, but will consider top candidates from other geographies.
Company: Mercor
Website: mercor.com
Mercor is actively seeking experienced Senior Software Engineers with a passion for modern software development and substantial experience in open-source projects. You will play a crucial role in contributing to frontier AI models at a premier AI research lab.
You have:
Deep technical expertise in at least one of the following languages: Rust, Ruby, Go, C++, Java, JavaScript/TypeScript, C#, Python, or C.
3+ years of professional industry experience working extensively with one or more of these languages.
Alternatively, significant contributions to complex, large-scale open-source projects.
Availability to commit at least 10 hours per week.
Engage directly with open-source repositories, contributing high-quality, maintainable code.
Collaborate asynchronously with a globally distributed team.
Ensure your contributions align with the strategic goals of frontier AI model development.
Resume Upload
Technical & Behavioral Interview (30 mins): An AI-driven interviewer will initiate this shortly after resume submission. You may pause and resume this interview at your convenience.
Brief Background Questionnaire
Fully remote and asynchronous—set your own working schedule.
Flexible workload: Minimum commitment of 10 hours per week with potential expansion up to 40 hours per week.
Competitive compensation aligned with industry standards: $100–$210/hour (varies by experience and geographic location).
Classified as an independent contractor (at-will) for Mercor.
Primarily recruiting candidates in the U.S., Canada, and Europe, though exceptional candidates from other regions may be considered.
Currently unable to support candidates requiring H1-B or STEM OPT sponsorship.
The advertised pay range applies specifically to U.S.-based applicants; compensation for other geographies will vary but remain competitive.
Mercor specializes in leveraging AI to efficiently match highly skilled professionals with top-tier tech opportunities. With a proven track record of successfully placing thousands of experts, Mercor connects exceptional talent like you with the world's leading tech companies.
Join us today to shape the future of open-source and frontier AI technologies!
Upload resume → AI interview → Complete form → Submit application
Upload your best, up-to-date resume in English. Mercor will extract details and fill out your profile automatically. Review and adjust as needed.
SHOCKING FACT: Only ~20% of applicants complete their application! Take the 15-minute AI interview about your experience and you'll have MUCH HIGHER chances of getting hired!
AI Interview Tips: The interview focuses on your resume and work experience. Be ready to discuss specific projects and how you solved challenges.
Takes about 15 minutes | Dramatically improves your chances