Senior Java Developer

🟠 Join us in Luxoft! 🏦Flexible working hours 🩺Private Medical & Dental care & Life Insurance 💰 Paid Referrals 🏋🏽 MyBenefit program (sports card, well-being program etc.) 🌎 Internal Mobility program - possibility of rotation between projects, locations, accounts 🎓 LuxTalent platform (webinars, training, courses) 🟠 Project Description We are looking for a senior Java developer to join our client's team and contribute to the development of modern, scalable back-end services. You'll be part of a collaborative team focused on clean code, agile methodologies, and delivering high-quality solutions. The client is from the investment banking industry. 🟠 Responsibilities -Design, develop, and maintain scalable back-end services and APIs using Java, Spring Boot, and Spring -Implement data access using Hibernate and SQL, with attention to performance and maintainability -Analyze and tune SQL queries and database performance on Oracle (preferred) or PostgreSQL -Define and consume RESTful APIs, clearly communicating requirements and constraints across teams -Translate business and product requirements into robust technical solutions -Apply clean code principles and back-end best practices across the codebase -Write and maintain automated tests (unit, integration) -Participate actively in agile ceremonies (Scrum/Kanban), including refinement, planning, reviews, and retrospectives -Perform code reviews and contribute to continuous improvement of engineering standards and tooling -Work closely with QA, product managers, and architects to ensure high-quality, business-aligned deliveries -Support and improve existing applications in a fast-paced, enterprise investment-banking environment 🟠 Skills What is relevant to have -Minimum 8 years of professional experience as a Java developer, with a proven track record on long-term projects -Strong hands-on experience with Spring, Spring Boot, and Hibernate -Strong SQL skills, including query and performance tuning -Hands-on experience with Oracle (preferred) or PostgreSQL -Experience in automated testing of Java applications -Clean coding skills -Excellent problem-solving abilities -Experience in RESTful API design -Familiarity with agile development practices (Scrum, Kanban, etc.) -Good communication skills and the ability to clearly state requirements to other teams What is nice to have - agile development methodologies - investment banking domain knowledge as a big plus 🟠 Languages English: C1 Advanced 🟠 Seniority Senior 🟠 Work mode hybrid in Krakow (3 times per week from an office)