Mid Java Integration Developer

Quick Facts

• Role: Mid Java Integration Developer

• Work model: Hybrid (3 days in office, 2 days remote)

• Location: Warsaw

Description

Join a digital transformation program delivering a modern business architecture based on microservices, APIs, and system integrations. You will design, develop, and maintain integration services and APIs using Java and Spring Boot, collaborating with architects, analysts, and product teams in a Kubernetes and CI/CD-driven environment.

Responsibilities

• Design, implement, and evolve system-to-system integrations and APIs

• Create and maintain integration services based on Java and Spring Boot

• Develop solutions in a microservices architecture

• Implement synchronous and asynchronous integrations

• Ensure quality, performance, and security of delivered solutions

• Participate in code review and technical decision-making

• Collaborate with business and technical teams to define requirements

• Support CI/CD processes and deployment automation

Requirements

• At least 4 years of commercial Java development

• Practical knowledge of Java 21+ and Spring Boot

• Experience designing and implementing REST APIs

• Knowledge of JSON, OpenAPI, OAuth 2.0, and JWT

• Experience with SOAP and XML-based integrations

• Experience with messaging platforms such as Apache Kafka or RabbitMQ

• Experience with microservices architecture

• Practical knowledge of Kubernetes

• Experience with CI/CD tools (Jenkins, Bamboo)

• Knowledge of Git/Bitbucket and Jira

• Experience creating unit tests

• Knowledge of PostgreSQL or Oracle and SQL

• Ability to independently solve technical problems

Benefits

• Work in a modern microservices and cloud environment

• Real impact on architectural and technology decisions

• Private medical care (Lux Med)

• Multisport sports card

• Expert team support and opportunities for further technical growth