Expected, Java 21+, Spring Boot 3, Domain-Driven Design (DDD), PostgreSQL, Kafka, RabbitMQ, Hibernate, ELK, Dynatrace, Redis

Optional, Scrum, Kanban

About the project, Warsaw-based opportunity with hybrid work model (2 days per week in the office), , As a Senior Java Developer, you will be working for our client, a leader in the financial services industry, focused on building advanced backend systems for a transactional and investment ecosystem. You will contribute to the development of reliable, scalable solutions that drive digital transformation within the banking environment, fostering innovation and supporting career growth.

Your responsibilities, Develop and maintain backend services in Java (21+) using Spring Boot 3 to support financial transactions., Design solutions aligned with Domain-Driven Design (DDD) principles to ensure modularity and maintainability., Work with relational data models and PostgreSQL to ensure data integrity and performance., Build reliable, testable code with comprehensive unit and integration tests., Collaborate within agile teams (Scrum/Kanban) to deliver high-quality solutions efficiently., Implement messaging and event-driven architectures utilizing Kafka and RabbitMQ., Enhance system observability and performance using tools like ELK, Dynatrace, and Redis.

5+ years of professional experience as a Java Developer, with a focus on backend systems., Strong knowledge of Java 21+, Spring Boot 3, Hibernate., Hands-on experience with PostgreSQL and messaging systems such as Kafka or RabbitMQ., Good engineering practices including testing, clean code, and system maintainability., Fluent Polish language skills; good command of English.

Optional, Experience in the financial or transactional systems industry., Familiarity with agile methodologies, particularly Scrum or Kanban., Strong analytical skills and a proactive approach to problem-solving.

What we offer, ITDS Clubs, Access to medical insurance, Access to Multisport, Access to Pluralsight, Integrational Events, Ambassador Program

Benefits, sharing the costs of sports activities, private medical care, flexible working time, fruits, integration events, corporate gym, saving & investment scheme, no dress code, coffee / tea, drinks, christmas gifts, birthday celebration, sharing the costs of a streaming platform subscription, access to +100 projects, access to Pluralsight

Recruitment stages, online interview, online interview

#GETREADY to meet with us!, ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people., , We would like to meet you. If you are interested please apply and attach your CV in English or Polish, including a statement that you agree to our processing and storing of your personal data.

ITDS’s Whistleblower Procedure, You can report violations in accordance with ITDS’s Whistleblower Procedure available here:

ITDS Polska Sp. z o.o., ITDS supports financial service providers to take the next steps., , We identify what’s possible, every day. Opportunities in the areas of technology, organization, and digitization., , We see where banks, insurers, payment companies, or fintech can go and how they can get there., , That’s why we want to stimulate you to ramp up your ambition. Forget what you perceive as restraints and step towards the new reality., , ITDS in Poland - Pure player in new Technologies & Financial Industry, +300 IT implementation professionals, +20 clients in the Banking, Insurance, Payment & Fintech Industry, , ITDS excels in digital strategy delivery and implementation of best-of-breed lending solutions. ITDS has delivered successful strategic projects throughout Europe since 1998. We combine the experience we’ve accumulated with in-depth knowledge of technologies, business processes, and EU legislation to unlock new business opportunities.

This is how we work,

Senior Java Developer - Event-Driven Banking Systems

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