Fullstack Java & React Developer | 8+ years of experience

Empower innovation at the forefront of software development — shape scalable solutions that transform user experiences! Krakow-based opportunity with hybrid work model (up to 3 remote days per week). As a Senior Java & React Fullstack Engineer – Software Development, you will be working for our client, a leading technology company dedicated to delivering cutting-edge digital solutions. You’ll contribute to designing and building robust applications that enhance customer engagement and operational efficiency, fueling digital transformation and innovation. Your main responsibilities: • Participate in software architecture design to ensure scalable, secure, and high-quality systems. • Lead UI improvements and implement solutions to elevate UX and application stability. • Develop according to best practices and Design Patterns to produce maintainable and efficient code. • Analyze requirements thoroughly and recommend enhancements for optimal solutions. • Create clear documentation to support ongoing development and maintenance. • Develop and validate application prototypes to test concepts and user interactions. • Manage changes throughout the Service Management lifecycle, supporting automation and continuous improvement initiatives. • Provide exceptional customer support by promptly addressing and resolving technical issues. • Communicate effectively to understand customer needs and deliver tailored solutions. You're ideal for this role if you have: • 8+ years of professional experience in Java application development, including front-end (preferably React). • Strong proficiency in Java, Web API development, and building scalable backend services. • Solid SQL skills with PostgreSQL, including T-SQL scripting, query optimization, and performance tuning. • Experience with DevOps practices such as CI/CD pipelines. • Extensive knowledge of the SDLC, from requirements gathering to deployment and maintenance. • Exceptional problem-solving skills and keen attention to detail to ensure high-quality deliverables and resolve complex issues efficiently. It is a strong plus if you have: • Certifications in Java, React, or DevOps. • Experience with cloud platforms such as AWS or Azure. Language Required for the role: • Fluent English proficiency. Eligibility to work on this role: • Only candidates with an existing legal right to work in the European Union will be considered for this role. We offer you: ITDS Business Consultants is involved in 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. The offer includes: • 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 • Participation in Social Events, training, and work in an international environment • Access to an attractive Medical Package • Access to Multisport Program #GETREADY Internal job ID #8955 You can report violations in accordance with ITDS’s Whistleblower Procedure available here.