Senior Backend Developer - Remote

Overview

Circles is a radically different kind of money—issued directly by people, secured cryptographically, and powered by a decentralized web of trust. It’s money as a public good: open, transparent, and fair by design.

In Short

• Design and build the infrastructure for a trustworthy payment method.
• Build systems to capture and index blockchain events.
• Create accessible APIs for developers.
• Manage off-chain user data securely.
• Ensure system reliability during network disruptions.
• Collaborate with smart-contract developers and frontend engineers.
• Write clear documentation and share knowledge openly.
• Engage in community-driven projects.
• Utilize a tech stack including TypeScript, C#, SQL, Python, and Rust.
• Thrive in a remote, autonomous team environment.

Requirements

• 5+ years of experience in backend systems.
• Strong in TypeScript (Node.js) and comfortable with C#/.NET.
• Experience with SQL (PostgreSQL) and database optimization.
• Familiarity with blockchain indexing and event-driven systems.
• Ability to design developer-friendly APIs.
• Interest in open-source software and public-good infrastructure.
• Experience with IPFS or decentralized storage is a plus.
• Familiarity with algorithms and graph theory is a plus.
• Interest in tokenomics and community-driven economics is a plus.

Benefits

• Support for personal development and education budgets.
• Encouragement for innovation and experimentation.
• Flat hierarchy valuing contributions and ideas.
• Flexible and remote work culture.
• State-of-the-art equipment provided.
• Growth opportunities in an expanding industry.
• Community-driven mission and collaborative environment.