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September 16, 2026

Senior Java Developer

Senior • On-site

Poznań, Poland

Quick Facts

  • Role: Senior Java Developer

  • Focus: Backend development and integration for sales systems

  • Work mode: Hybrid

  • Location: Poznań

Description

You will implement backend changes for a sales systems product, support developer testing and analysis, and develop integration between sales systems and local and global banking systems. The role also includes creating technical documentation and contributing to a consistent system architecture.

Responsibilities

  • Implement backend system changes

  • Participate in developer testing and technical analyses for product development and new solutions

  • Develop integration between sales systems and local/global banking systems

  • Prepare technical documentation for implemented changes

  • Build and maintain consistent system architecture

Requirements

  • Minimum 8 years of experience

  • Advanced Java

  • Intermediate Python

  • Advanced Spring

  • Advanced Oracle databases

  • Intermediate PostgreSQL databases

  • Advanced RabbitMQ

  • Knowledge of Kafka

  • English at least B2

  • Higher education in IT or related field

Benefits

  • Cross-functional team of experts with direct, partnership-based collaboration

  • Long-term project involvement

  • Participation in diverse IT projects for well-known industry leaders

  • Access to modern technologies and engineering standards

  • Flexible service terms: hybrid or fully remote, depending on team needs

  • Knowledge-sharing ecosystem: internal trainings, thematic guilds, and cloud trainings/certifications via technology partnerships

  • Online English or German learning and group language classes

  • Multisport and private medical care on preferential terms

  • Supported sailing trips in the Caribbean, Mediterranean, and Northern Sea

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