Senior Backend Developer
Job Summary
To support a growing fintech product, the fully remote Senior Backend Developer will own backend architecture across large-scale microservice platforms, lead complex integrations with payment providers and blockchain networks, and drive performance and scalability while making independent architectural decisions.
Key responsibilities
- Own backend architecture for two microservice platforms, managing system design, API contracts, and data flow
- Lead integrations with payment providers and blockchain networks, ensuring reliability in production
- Drive performance improvements by identifying bottlenecks and optimizing database queries
Required qualifications
- 5+ years of production experience in backend development with TypeScript/Node.js
- 2+ years of experience with NestJS in production, including microservice architecture
- Production experience with blockchain technologies and on-chain transactions
- Deep expertise in PostgreSQL, including schema design and query optimization
- Hands-on experience with microservices, including inter-service communication and message brokers
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