We are looking for individuals serious about a career in bitcoin open source software (₿OSS).

The ₿OSS Challenge is designed for all levels of experience in software development. Passion and dedication are a must. This challenge is technically rigorous requiring a strong technical foundation. However, we aim to have as few barriers to entry as possible so if in doubt, you SHOULD apply.

An ideal participant is:

• Able to dedicate at least 10+ hours of prep a week.
• Excited about a challenge and wants to elevate the experience for others.

The deadline to submit an application is Dec 31, 2025. After applying, you’ll receive details on a preliminary challenge you must complete in order to be included. The challenge is scheduled to start the week of January 12th.

As with all Chaincode programs, there is no cost associated with participating.