Middle Java Developer (Java 21+, Spring Boot)

About the role

This is a rare opportunity to shape data‑driven decision‑making at scale across an iGaming CRM platform. As a Middle Java Developer you will build and enhance microservice applications that power player engagement and retention.

Key responsibilities

• Develop, maintain and enhance microservice applications using Java 21+ and Spring Boot.
• Design and implement scalable, resilient, high‑performance solutions.
• Write efficient SQL queries for PostgreSQL and ClickHouse databases.
• Process complex data structures to and from Kafka.
• Ensure best practices in API design, scalability and security for microservices.
• Collaborate with DevOps, Front‑End, Product and QA teams.
• Participate in code reviews, technical discussions and continuous improvement initiatives.

Required profile

• 3+ years of commercial Java development experience.
• Strong knowledge of Java 21+ and Spring Boot.
• Experience developing on Linux and using Bash scripting.
• Proficiency with SQL databases and writing optimized queries.
• Familiarity with containerisation (Docker, Kubernetes) and microservice architectures.
• Ability to work in an agile environment and solve complex problems.

Required skills

• Java 21+
• Spring Boot
• Linux
• Bash scripting
• PostgreSQL
• ClickHouse
• Kafka (Avro optional)
• Spring Data JPA
• Docker
• Kubernetes
• Apache Flink (optional)
• OpenID SSO (optional)
• Service discovery, API gateway, service monitoring
• AI code assistance tools such as Gemini and Claude

What we offer

• 25 days annual leave, increasing up to 35 days after five years.
• Hybrid work schedule after three months, up to 50 days remote per year.
• Private medical insurance with optional dependants coverage.
• Monthly meal allowance and gym allowance.
• Access to Udemy for Business, LinkedIn Learning and external training budget.
• Two Free Fridays per year (one per quarter).
• 3 sick leave days per year, no doctor's note required.
• 52 weeks paid maternity leave (21 weeks fully paid) and 4 weeks paternity leave, with flexible remote work for new parents.