remoteonsite
Senior Backend Developer - A Blocks Nexus
Backend Engineer
Lead the design and implementation of high‑performance, secure backend services and APIs for a blockchain‑powered insurance platform, leveraging Node.js, TypeScript, SQL, and Hyperledger Fabric to deliver scalable business workflows.
About the role
Key Responsibilities
- Architect, develop, and maintain scalable backend services and RESTful APIs that power core platform functionality.
- Design and implement secure, high‑performance integrations with Hyperledger Fabric and other blockchain components.
- Collaborate with product, frontend, and DevOps teams to define data models, optimize SQL queries, and ensure system reliability.
- Implement robust authentication, authorization, and audit logging to meet regulatory compliance and fraud prevention requirements.
- Participate in code reviews, performance tuning, and continuous improvement of development processes.
Requirements
- 5+ years of professional backend development experience with Node.js and TypeScript.
- Strong proficiency in SQL database design, query optimization, and transaction management.
- Hands‑on experience with Hyperledger Fabric or similar blockchain frameworks.
- Deep understanding of secure API design, authentication flows, and data protection best practices.
- Excellent problem‑solving skills and a passion for building reliable, maintainable code.
Skills
nodejstypescriptsql