Senior Java Developers

Bisq, a decentralized, open-source peer-to-peer Bitcoin exchange, is 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, the next iteration of our exchange.

• 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.

• Matrix Bisq 2 Dev Channel: https://matrix.to/#/#bisq2-dev:matrix.org

Learn More About Bisq

• Website: https://bisq.network

• GitHub: https://github.com/bisq-network

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