Senior Java Developer – Microservices

Technologies we use

Expected

• Java
• Kafka
• Spring Boot
• Oracle
• Hibernate
• GitLab
• Maven
• JUnit
• Mockito

Optional

• Python
• Linux

Operating system

• Linux

About the project

As an Senior Java Developer, you will be working for our client in the energy sector, focusing on developing and advancing critical backend systems. You will contribute to the design, implementation, and mentoring of high-performance microservices, leveraging cutting-edge technologies to support enterprise-grade solutions. This role offers the chance to influence technological direction and grow your expertise in a dynamic environment.

Empower the future of energy infrastructure — lead the evolution of microservices and real-time data integration!

Wroclaw - based opportunity with remote work flexibility.

Only candidates with an existing legal right to work in the European Union will be considered for this role.

This is how we organize our work

This is how we work

• at the client's site
• agile
• scrum

Your responsibilities

• Define and support technical tasks within the backend development team, ensuring best practices and high-quality delivery.
• Recognize, verify, and plan the evolution of technology stacks for the Connector 2.0 project.
• Lead the implementation of new technologies across project teams, providing training and mentorship to team members.
• Develop, enhance, and maintain system architecture in the backend layer, ensuring scalability and robustness.
• Program functionalities and conduct tests to deliver reliable software solutions, adhering to deadlines and specifications.

Our requirements

• Minimum 5 years of professional Java programming experience (Java 8+), with at least 3 years working with Java 17+
• Extensive experience leading technical teams in backend development for 2+ years
• Strong expertise with Apache Kafka and Apache Camel (Expert level)
• Deep knowledge of Spring Boot (Expert level) and microservices architecture in containerized environments
• Proficiency with relational databases such as Oracle DB 19c and ORM tools like Hibernate
• Familiarity with version control systems (GitLab), build tools (Maven), and testing frameworks (JUnit, Mockito)
• Experience working with the Unicorn ecosystem (ECP/EDX) APIs and channels
• Solid understanding of design patterns, software responsibility, and timely task execution
• Ability to work independently, collaborate effectively in teams, and communicate clearly in Polish and English (Communicative level)

Optional

• Knowledge of RDBMS Oracle and Python
• Basic understanding of Linux systems

What we offer

• Stable and long-term cooperation with very good conditions
• Enhance your skills and develop your expertise in the financial industry
• Work on the most strategic projects available in the market
• Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years
• Participate in Social Events, training, and work in an international environment
• Access to attractive Medical Package
• Access to Multisport Program
• Access to Pluralsight
• Flexible hours

Benefits

• access to +100 projects
• access to Pluralsight
• 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

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: https://itds.pl/wp-content/uploads/2025/03/INFORMATION-ON-PROCEDURE-FOR-REPORTING-BREACHES-AND-PROTECTION-OF-WHISTLEBLOWERS-AT-ITDS-POLSKA.pdf

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