Middle BackEnd Developer

We are looking for a skilled Backend Developer (Node.js/NestJS) to join our high-performance engineering team.
In this role, you will build scalable microservices, work with modern event-driven architecture, and contribute to the development of large, high-load systems used by thousands of users daily.

Responsibilities:
• Design, develop, and maintain high-load backend services using Node.js (NestJS).
• Build and optimize microservices architecture for scalability and resilience.
• Work with PostgreSQL (TypeORM), MongoDB (Mongoose), ClickHouse, and Redis.
• Implement efficient communication between services using gRPC.
• Integrate and work with Kafka and other message-driven components.
• Ensure proper implementation of caching, queues, and distributed operations.
• Apply secure coding principles and follow best practices.
• Analyze business requirements, identify issues, and provide timely fixes and improvements.
• Collaborate closely with cross-functional teams during planning and development.
 
Required Skills:
• 2+ years of experience with Node.js, strong expertise in NestJS.
• Solid experience with:
PostgreSQL + TypeORM
MongoDB + Mongoose
Redis
ClickHouse (queries, schema design, optimization)
• Hands-on experience with Kafka and event-driven architecture.
• Experience with gRPC.
• Understanding of microservices and distributed system design.
• Experience with API services, WebSockets, and async communication patterns.
• Strong knowledge of JavaScript/TypeScript (ES6+).
• Understanding of HTTP/HTTPS, web protocols, and backend performance principles.
• Strong analytical and debugging skills — ability to identify defects and deliver hotfixes quickly.
 
Nice to have:
• Hands-on knowledge of any other OOP language (preferably Java).
• Architecture patterns knowledge and usage.
• Experience with CI/CD pipelines and DevOps practices.
• Knowledge of security standards and best practices for backend systems.
• Experience in iGaming, fintech, or other high-load domains.
 
What We Offer:
• Competitive salary. 
• Fully remote work with flexible schedule. 
• Career growth in an international iGaming company. 
• Paid vacation and sick leave.
 
If you are passionate about clean architecture, enjoy solving complex technical challenges, and want to grow in a product-driven environment — this role is for you.