Java Developer

About the Role We're seeking an experienced Java Developer to contribute to innovative financial technology solutions that drive the global capital markets. You'll be part of a collaborative team developing mission-critical systems including high-performance trading platforms, sophisticated risk management tools, regulatory compliance frameworks, and real-time market data processing engines trusted by top-tier financial institutions worldwide. What You'll Do • Design and develop robust, scalable financial applications using modern Java technologies • Build and optimise high-throughput trading systems and market data processing solutions • Collaborate with cross-functional teams to deliver risk management and compliance platforms • Implement RESTful services and integrate messaging systems for real-time data flow • Optimise database performance and ensure system reliability in fast-paced trading environments Required Qualifications • 5+ years of hands-on Java development experience with modern versions (Java 8 and above) • Strong expertise in Spring Framework and enterprise application development • Proven experience with relational and NoSQL databases including Oracle, PostgreSQL, and MongoDB • Demonstrated skills in SQL optimisation and database performance tuning • Proficiency with build automation tools (Maven, Gradle) • Experience with Git version control and collaborative development workflows • Solid understanding of RESTful API design and implementation • Knowledge of enterprise messaging systems (JMS, RabbitMQ, Kafka) • Be happy to work in a hybrid model - 3 days per week in the office in Central Krakow