Senior Java Developer

Experis • Warszawa, mazowieckie • Posted July 12, 2026

About the Role

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Senior Java Developer

Location: Hybrid (2 days/week from Warsaw, Gdańsk, Gdynia, or Łódź)

Contract: B2B via Experis

Start Date: ASAP / up to 30 days notice period

Responsibilities

  • Develop and maintain data integration solutions and data flow processes
  • Build and enhance Java-based microservices and APIs
  • Support ETL processes and database operations
  • Collaborate in a DevOps-driven environment
  • Requirements

  • 8+ years of experience in software development
  • Strong experience with Java and Spring Boot
  • Experience with microservices architecture and APIs
  • Knowledge of Kafka
  • Experience with PostgreSQL and SQL
  • Knowledge of DataStage (ETL)
  • Familiarity with Kubernetes, Jenkins, and Bitbucket
  • DevOps mindset
  • Strong communication...