Middle Backend Developer (Java/Node.js)

We are a growing international team based in Astana, working closely with partners and clients across the European Union. Unlike classic outsourcing or consulting setups, our engineers are an integral part of the product teams, collaborating daily with colleagues in Europe to build and evolve long-term platforms.

One of our clients, 21Viral, is a technology company in the iGaming sector, founded in 2011 and specialising in gaming content aggregation.

What you'll be working on:

• Building and maintaining microservices for an integration platform
• Implementing reactive, non-blocking APIs using Spring WebFlux and NestJS
• Integrating with third-party service providers
• Developing secure, high-performance transaction processing systems
• Working with distributed systems and cloud infrastructure.

Technical skills and experience:

• 2+ years of professional experience in Java (Spring Boot) and/or Node.js development
• Experience with reactive and non-blocking programming using Spring WebFlux (Project Reactor) and/or asynchronous Node.js/NestJS
• Hands-on experience with PostgreSQL (queries optimization, indexing, transactions)
• Understanding and practical experience with microservice architecture
• Experience with asynchronous communication and message brokers (AWS SQS, RabbitMQ, Kafka, or similar)
• Experience with Redis for caching and session management.

Personal qualities:

• Proactive and self-driven, with the ability to work independently
• Strong problem-solving and analytical thinking skills
• Excellent communication skills and a collaborative mindset
• Solid English skills.

Good to have:

• Experience with TypeScript in Node.js projects
• Experience with Docker and AWS cloud services (ECS, RDS, ElastiCache, S3)
• DevOps experience (CI/CD, Infrastructure as Code with Terraform/CloudFormation)
• Experience with ReactJS or similar frontend frameworks.

Tech stack:

• Java Spring Boot and Spring WebFlux
• Node.js with NestJS framework and TypeScript
• PostgreSQL
• Redis
• AWS (ECS Fargate, RDS, ElastiCache, ALB, S3, SQS, CloudWatch)
• Docker.

Важно: Рассматриваем кандидатов только через официальное трудоустройство через ТОО по ТК РК, без ГПХ или ИП. Гибридная работа по договоренности с командой, обычно 4/1. Процесс интервью будет проходить на английском, поэтому прошу отправлять ваши резюме на английском языке (CV in English). Также просим вас указать зарплатные ожидание в сопроводительном письме.

Спасибо, и хорошего дня.