B4OS-BOSS 2027 · Applications open

Ready to join B4OS-BOSS 2027?

The B4OS-BOSS 2027 program is open to senior developers from Latin America, the Caribbean, and Spain. The registration process is completely free.

Application requirements

  • Software development experience (2+ years)
  • Solid knowledge in languages such as C++, Rust, Python or JavaScript
  • Genuine interest in contributing to the Bitcoin open source ecosystem
  • Availability to invest 5 to 10 hours weekly
  • Resilience to complete the entire program
  • Proficiency in English to actively participate in the program

Registration form

You can use your real name or a pseudonym

Double-check your email, we will use it to communicate with you

Select the country where you currently reside

Your current city of residence

Indicate what other languages and technologies you master

Share your GitHub profile

We're interested in knowing what specific aspects of the Bitcoin ecosystem you care about most (privacy, security, censorship resistance, decentralization, etc.).

How did you hear about B4OS?

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