₿OSS Challenge 2026 — Remote Bitcoin Open Source Developer Program

Job Description

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If you’re serious about building a future in Bitcoin open-source software (₿OSS), this program is a standout opportunity.
The 2026 ₿OSS Challenge is a fully online training and contribution program designed for developers at all experience levels who want real, hands-on exposure to open-source Bitcoin projects.

This challenge is rigorous, technical, and highly rewarding — ideal for anyone passionate about Bitcoin, distributed systems, and collaborative open-source work. Even if you’re unsure about your qualifications, you’re encouraged to apply. Curiosity, consistency, and genuine interest matter above all.

Who Should Apply

This program is a strong fit for individuals who:

• Can dedicate 10+ hours per week for preparation
• Enjoy solving complex engineering problems
• Want to challenge themselves and contribute to the community
• Are eager to grow within the Bitcoin and open-source ecosystem

Program Overview

• Mode: 100% Online
• Start Date: Week of January 12, 2026
• Application Deadline: December 31, 2025
• Cost: Free (all Chaincode programs are fully funded)
• Includes: A preliminary challenge after submission

Why Join the ₿OSS Challenge?

• Gain practical experience contributing to real Bitcoin open-source projects
• Receive mentorship, code review, and technical guidance
• Build a clear pathway into long-term ecosystem contributions
• Join a global community of passionate, mission-driven developers