About the role:

Founded in 2020, Synonym is building the world's first digital free-market society, including any necessary R&D required to deliver "The Atomic Economy" — a civic-engineering initiative to replace traditional institutions with open protocols and products that empower individuals. Current products include Pubky (self-sovereign identity & open social graph), Pubky Ring (Pubky keychain & auth), Bitkit (Bitcoin & Lightning wallet), and Blocktank (Lightning Service Provider).

We're seeking a Senior Rust Engineer to join our growing Pubky team. You will play a vital role in designing, building, and maintaining our core products, with a particular focus on Pubky Core and Pubky Nexus. This position is perfect for a self-driven individual who is ready to contribute to high-impact projects, ensure code quality, and contribute to core product development.

Responsibilities:

📍Design & Development: Architect, develop, and maintain robust Rust-based solutions for our core products and protocols. 📍Integration: Collaborate with cross-functional teams (e.g., product, UX, QA) to ensure seamless integration of new features and improvements into existing systems. 📍Code Quality: Perform code reviews, implement best practices, and maintain high standards of code quality and documentation. 📍Scalability & Performance: Optimize applications for maximum speed, reliability, and scalability, ensuring efficient resource usage. 📍Innovation: Stay informed about emerging libraries and industry trends; proactively suggest and implement improvements or new approaches. 📍Security & Reliability: Work closely to protect user data and maintain system integrity.

Requirements:

📍Expertise in Rust: Proven experience building production-grade applications or systems in Rust. 📍Systems Programming: Comfortable working with low-level systems, concurrency, and performance optimization. 📍Data & APIs: Familiarity with database management, RESTful APIs, and related technologies. 📍Problem-Solving Mindset: Ability to break down complex challenges into manageable tasks and deliver scalable solutions. 📍Collaboration: Strong communication skills and the ability to work effectively in a fully remote team setting. 📍Version Control: Proficient with Git or similar tools for source code management.

Nice-to-have: 📍Cryptography: Practical knowledge of cryptographic techniques, protocols, and secure data handling. 📍Server Protection: Experience building secure systems, protecting servers from potential threats, and designing robust access controls. 📍Decentralized / P2P Systems: Exposure to peer-to-peer architectures and protocols. 📍Blockchain / Bitcoin: Experience with Bitcoin or other blockchain technologies. 📍Dex Social Technologies: Prior work on decentralized or federated social platforms like Nostr, Mastodon, Bluesky, etc.

If this role isn't the perfect fit, there are plenty of exciting opportunities in blockchain technology, cryptocurrency startups, and remote crypto jobs to explore. Check them on our Jobs Board.