Java Developer

We are a software house delivering projects for international clients, and we are looking for Mid / Senior Java Developers to join our team.Responsibilities: Designing and writing clean, scalable code (primarily Java 17/21 + Spring Boot 3)Creating and maintaining REST APIs (OpenAPI / Swagger)Working with relational databases (PostgreSQL + advanced SQL)Implementing solutions using NoSQL (MongoDB / Redis / DynamoDB – preferred)Working with CI/CD (GitHub Actions / GitLab CI / Jenkins)Refactoring and improving existing codeCode reviews and knowledge sharing within the teamRequirements:Must have:Minimum 5 years of commercial experience in JavaVery good knowledge of Spring → Spring Boot → Spring Data / Security / CloudHibernate / JPA at the level 'I can explain what @EntityGraph and dirty checking do'Solid SQL knowledge + experience with PostgreSQLUnderstanding of REST, HTTP, authentication (JWT / OAuth2)Practical knowledge of at least one NoSQL database (Mongo / Redis / Cassandra / Dynamo)Git + CI/CD basicsVery good knowledge of OOP principles and clean codePreferred (will earn big + points):Java 21, virtual threads, records, sealed classesTesting (JUnit 5 + Mockito / Testcontainers / Pact)Docker + Kubernetes / OpenShift (at least the basics)Message brokers (Kafka / RabbitMQ)Monitoring (Prometheus / Grafana / ELK)Experience in domain-driven design / hexagonal / clean architecture