Backend Developer (Node.js / NestJS)
About the Role
We're looking for an experienced Backend Developer (Node.js / NestJS) to join our engineering team in Prague.
You'll work on a large-scale international B2C platform serving users across multiple markets. Our products process high volumes of transactions and real-time events, requiring reliable, scalable, and high-performance backend services.
If you enjoy building distributed systems, integrating third-party services, and solving complex backend challenges, we'd love to meet you.
Responsibilities:
- Develop and maintain backend services within a microservices architecture
- Build new product features and improve existing functionality
- Integrate third-party APIs and external service providers
- Design and optimize SQL and NoSQL databases
- Create database migrations and indexes
- Optimize application performance and SQL queries
- Work with Docker, Kubernetes, AWS
- Collaborate with Backend Engineers, QA Engineers, and Product Managers
Participate in code reviews and architectural discussions
Requirements:
- 3–6 years of commercial Backend development experience
- Strong knowledge of Node.js
- Commercial experience with NestJS
- Experience with SQL and NoSQL databases
- Experience building microservices
Understanding of distributed systems and REST APIs
Nice to Have:
- Experience with Go
- Unit and Integration Testing
- ClickHouse
- Experience with high-load / real-time systems
Experience integrating payment providers
What We Offer:
- Office-based position in Prague, official employment
- Modern technology stack
- Paid vacation, sick leave, paid overtime
- Friendly international team
Opportunity to influence product architecture
Hiring Process:
- HR Interview
- Test Assignment
- Final Interview
- Offer