⭐ Featured Opportunity

atBisq

Mar 16

Posted by Bisq
Mar 16, 2025

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.