As a Senior Java Developer, you will be working for our client, a leading provider of financial infrastructure services supporting the Swiss financial market.The project involves building and maintaining mission-critical post-trade processing systems used globally by major financial institutions. You will contribute to the development of secure, high-performance Java-based applications while collaborating closely with cross-functional teams in a fast-paced, agile environment. Your role will be key in ensuring operational resilience, regulatory compliance, and technical excellence across financial systems that power modern securities trading and settlement.
Localization: Warsaw, hybrid model (3 days x week in the office).
responsibilities :
Design and develop high-performance Java-based back-end solutions for post-trade processing
Ensure compliance with financial regulations and internal security standards
Translate complex business requirements into scalable, reliable software architectures
Collaborate with cross-functional agile teams using frameworks such as SCRUM and SAFe
Optimize database performance and maintain resilient data solutions
Participate in code reviews, architectural discussions, and system design sessions
Integrate with internal and external messaging systems using event-driven architecture
Monitor and troubleshoot production systems to ensure uptime and reliability
Contribute to the continuous improvement of engineering practices and development tools
Support the evolution of post-trade infrastructure aligned with global financial trends
requirements-expected :
10+ years of experience developing multi-threaded, low-latency Java applications (Java 8+, Spring Boot)
Strong knowledge of SQL, Hibernate, and performance optimization techniques
Experience working with messaging protocols and event-driven systems
Solid understanding of financial market operations and post-trade processes
Familiarity with Agile methodologies and cross-functional collaboration
Proficiency in system integration and designing scalable software solutions
Strong analytical and debugging skills in high-stakes production environments
Commitment to writing clean, maintainable, and well-documented code
Excellent communication skills in English (spoken and written)
offered :
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 :
sharing the costs of sports activities
private medical care
flexible working time
fruits
integration events
corporate gym
mobile phone available for private use
computer available for private use
saving & investment scheme
no dress code
coffee / tea
drinks
christmas gifts
birthday celebration
sharing the costs of a streaming platform subscription
