Java Backend Developer

Backend Java Developer

We are looking for an experienced Backend Java Developer to join our client’s team . The project focuses on building and developing backend systems and CRM solutions.

Technology stack

• Java 8–21

• Spring (Spring Boot, Spring Batch, Spring Security)

• MySQL

• CRM

• MongoDB

• Docker

• Azure DevOps

• Apache Tomcat

• Linux/macOS

• Public cloud (Azure, GCP)

Responsibilities

• Designing and developing applications within the Spring ecosystem.

• Implementing and maintaining unit and integration tests (JUnit, Testcontainers).

• Working with relational and non-relational databases (MySQL, MongoDB).

• Building and maintaining Docker containers, participating in orchestration.

• Supporting CI/CD processes with Azure DevOps (build, test, deploy).

• Configuring and managing application servers (e.g., Apache Tomcat) in Linux/macOS environments.

• Developing and integrating applications in cloud environments (Azure, GCP).

• Ensuring system security, performance, and scalability.

Requirements (must have)

• Minimum 5 years of commercial experience as a Java Developer.

• Strong knowledge of Spring (Spring Boot, Spring Batch, Spring Security).

• Experience with unit/integration testing (JUnit, Testcontainers).

• Knowledge of MongoDB and Liquibase.

• Hands-on experience with Docker (containerization, deployment, orchestration).

• Understanding of CI/CD processes, experience with Azure DevOps.

• Experience with application servers (e.g., Apache Tomcat).

• Ability to work in Linux/macOS environments.

• Familiarity with public cloud platforms (Azure / GCP).

• English – fluent communication skills.

  
  

Nice to have

• Experience with CRM-related projects.

Offer

• Contract type: B2B.

• Rate: up to 165 PLN/h.

• Work model: fully remote, standard business hours (9:00–17:00).

• Recruitment process: ~2 online stages.

• Full-time engagement.