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Pubky - Rust Senior Engineer

Synonym Remote, remote, remote
engineer rust senior bitcoin blockchain cryptography remote

The Team 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.” The Atomic Economy is a civic-engineering initiative to replace traditional institutions with open protocols and products that empower individuals. Our current products include Pubky (self-sovereign identity & open social graph), Pubky Ring (Pubky keychain & auth), Bitkit (Bitcoin & Lightning wallet), and Blocktank (Lightning Service Provider). Each product demonstrates building blocks for a new society. It is our mission to prove a complete, interoperable alternative to today’s centralized systems, rooted in digital autonomy, and open-source technology. Synonym is an entirely remote team working to bring new integrated products to open source protocols and cutting-edge peer-to-peer technology. About the Role 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.

  • USA citizens and USA residents are not eligible for this position. Remote only
  • Contract type: Full-time
  • Location: Remote
  • Salary: Based on experience, be prepared to communicate your requirements
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.
Skills and Qualifications
  • 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.
Bonus Skills
  • 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.
Why Join Us?
  • Impactful Work: Play a key role in shaping next-generation technologies that empower individuals and communities.
  • Growth & Ownership: Enjoy the flexibility to define your role, innovate, and lead initiatives.
  • Cutting-Edge Environment: Collaborate with a forward-thinking, decentralized team working on Bitcoin and peer-to-peer ecosystems.
  • Remote Culture: Work from anywhere with flexible hours. We prioritize productivity and well-being.
  • Generous Time Off: 28 vacation days per year.

Posted Fri, Oct 10, 2025 6:08 AM • Valid 3 weeks from now • Source: web3career
Full data
External ID138209
CompanySynonym
Countryremote
Cityremote
LocationRemote
RemoteYes
Employment
Salary Min
Salary Max
Currency
PostedFri, Oct 10, 2025 6:08 AM
Valid ThroughSat, Nov 29, 2025 2:07 PM
ActiveYes
User SubmittedNo
Sourceweb3career
Apply URLweb3.career
Slugpubky-react-nextjs-senior-engineer-synonym-w3c-138209
UpdatedWed, Oct 15, 2025 2:07 PM
CreatedSat, Oct 11, 2025 7:07 AM

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