Senior Software Engineer - Open-Source Projects

HumanitApp is recruiting senior software engineers for an external AI research project. The work uses your open-source engineering experience on practical software-engineering assignments. The contracting client is external to HumanitApp; this is not employment with HumanitApp.
Who This Is For
- Engineers currently working at Senior, Staff or Principal level, or an equivalent senior individual-contributor level.
- Active open-source contributors with merged pull requests or commits within the past six months.
- Contributors or maintainers of projects with demonstrable adoption, such as 100 or more GitHub stars or clear package usage.
Engagement and Pay
- United States (remote), independent-contractor engagement.
- Advertised rate: USD 120 per hour. Final individual terms are confirmed by the provider.
- Flexible scheduling; no minimum hours or fixed project duration are stated in the current listing.
- Payments are weekly through Stripe or Wise for services performed.
- Project duration may be extended, reduced or ended based on project needs and performance.
- The provider currently cannot support H-1B or STEM OPT candidates.
Apply
Apply through LinkedIn with your CV and examples of recent merged open-source work. You may also send your CV and relevant project details to [email protected].
The external provider determines selection, eligibility and final engagement terms. Applying does not guarantee an assignment.

Work arrangement
Yes