Bisq needs Senior Java Developers

Posted by HenrikJannsen on 10 February 2025

Update (November 2026): This call is closed for now. Bisq has temporarily paused accepting new contributors for compensated development. See Open Source Software Development in the Age of AI for details.

We are looking for experienced and self-driven Senior Java Developers to help build the future of financial sovereignty. We operate without project managers, embrace open-source collaboration, and focus on security, privacy, and decentralization.

What You’ll Do

  • Contribute to the development of Bisq 2.
  • Design and implement key features within a large and complex Java codebase.
  • Work on new trade protocols, peer-to-peer networking, cryptography, and decentralized exchange infrastructure.
  • Solve challenging problems in privacy-focused and decentralized systems.
  • Engage with the open-source community, participate in discussions, and review contributions.

Who You Are

  • Proficient in Java, with extensive experience in high-performance and secure applications.
  • A self-managed engineer who thrives in independent, asynchronous workflows.
  • Comfortable with reading, understanding, and improving large, complex codebases.
  • Have a strong grasp of cryptography, distributed systems, and P2P networks.
  • Security and privacy-focused. You think deeply about system security, attack vectors, and data privacy.
  • Quick learner, capable of becoming productive in a new environment without extensive guidance.
  • Available full-time.

Bonus Points for Experience In:

  • Bitcoin Development (MuSig, BDK, PSBTs, UTXO management)
  • Tor, I2P
  • Cryptography
  • Low-level networking, P2P networks, distributed systems
  • User Experience (UX) with JavaFX
  • Rust (used in our new MuSig based trade protocol)
  • Kotlin KMP (Mobile Development)
  • Lightning Network
  • Monero, Liquid (Sidechains)
  • Contributions to Open-Source Projects

Why Join Bisq?

  • Contribute on Bitcoin’s core mission. Build censorship-resistant Bitcoin infrastructure.
  • 100% Remote. Work from anywhere in the world. No geographic restrictions.
  • Compensation based on international market rates.
  • No micromanagement. Work independently with meaningful impact.

How to Apply?

If you’re passionate about Bitcoin, privacy, and open-source development, we’d love to hear from you.




« Back to Blog