Middle / Senior Node.js Developer (FinTech / Web3)
- Рівень:
- senior
- Джерело:
- djinni.co
Що робити
- Architect, build, and optimize backend microservices handling financial transactions.
- Design clean, modular, and type-safe code applying SOLID and Clean Architecture principles.
- Scale data layer: query optimization, indexing, caching, and connection pooling.
- Implement fault-tolerant integrations with banking APIs and payment gateways.
- Cover critical logic with automated tests and participate in code reviews.
Що очікуємо
- 3+ years (for Middle) / 5+ years (for Senior) of production experience with Node.js and TypeScript.
- Solid hands-on experience with NestJS (or modern structured Express).
- Strong knowledge of PostgreSQL (query execution plans, indexing strategies, transactions).
- Practical experience with Redis (caching, locking, pub/sub) and Docker.
- Understanding of microservices design patterns, RESTful APIs, and asynchronous message processing.
Що пропонуємо
- Experience with message brokers (RabbitMQ or Kafka).
- Hands-on experience or interest in writing services in Go (Golang).
- Domain knowledge in FinTech, Payment Processing, PCI DSS, or Blockchain / Web3.
- Experience with performance profiling, memory leak tracking, and distributed tracing.
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