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 code

• Code reviews and knowledge sharing within the team

Requirements:

Must have:

• Minimum 5 years of commercial experience in Java

• Very good knowledge of Spring → Spring Boot → Spring Data / Security / Cloud

• Hibernate / JPA at the level "I can explain what @EntityGraph and dirty checking do"

• Solid SQL knowledge + experience with PostgreSQL

• Understanding of REST, HTTP, authentication (JWT / OAuth2)

• Practical knowledge of at least one NoSQL database (Mongo / Redis / Cassandra / Dynamo)

• Git + CI/CD basics

• Very good knowledge of OOP principles and clean code

Preferred (will earn big + points):

• Java 21, virtual threads, records, sealed classes

• Testing (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