About the programme
Fellows work full-time on a widely used open-source project with a mentor from its maintainer team. Fully remote, with an annual in-person summit.
Eligibility
The published requirements, as a checklist. Always confirm against the official criteria.
- Two or more years of professional software development
- Public record of open-source contributions
- Create a profile to see which of these you meet.
What you will need
- CV or résumé
- Links to contributions
- Statement of interest
How to apply
- Create an account on the official application portal.
- Complete the online form and upload the required documents.
- Submit before the deadline. Shortlisted applicants are contacted for interview.
Applications are submitted on Cobalt Open Source Foundation’s own site. Open Doors helps you prepare; it is not the official application portal.
Source and verification
- Official source
- Cobalt Open Source Foundation
- Status
- Key fields checked against the official page
- Last checked
- 6 Nov 2026