FastAPI/NestJS Backend Developer

About the Role

We need a Backend Developer proficient in FastAPI and/or NestJS. You'll build scalable APIs, integrate with blockchain networks, and ensure our backend services are reliable and performant.

Responsibilities

• Design and implement RESTful and GraphQL APIs
• Build microservices architecture
• Integrate with blockchain networks and indexers
• Implement authentication and authorization
• Optimize database queries and caching
• Write comprehensive API documentation
• Set up monitoring and logging

Requirements

• 3+ years of backend development experience
• Strong proficiency in Python (FastAPI) or Node.js (NestJS)
• Experience with PostgreSQL and Redis
• Knowledge of API design best practices
• Understanding of microservices architecture
• Experience with message queues (RabbitMQ, Kafka)
• Docker and containerization knowledge

Nice to Have

• Experience with blockchain indexing
• GraphQL expertise
• WebSocket implementation experience
• Performance optimization skills
• Event-driven architecture experience

Tech Stack