Senior Java Developer

S3 Connected Health is a leading digital health company headquartered in Dublin, Ireland. We are a team of over 250 clinicians, behavioral scientists, and technologists dedicated to transforming healthcare through innovative digital solutions. We create state-of-the-art platforms for remote patient monitoring, medication adherence, and patient engagement that empower millions to improve their health and quality of life. Key Responsibilities: Working as a Senior Java Developer, you will be responsible for: • Designing and developing of leading-edge, highly scalable JAVA enterprise systems • Participation in system requirements • The input to the technology recommendations and decisions throughout the project lifecycle • Effective communication with clients and team members to solve complex technical challenges • Identifying opportunities for improvement and making constructive suggestions for changes Qualifications and experience required: • Minimum 5 years of experience in design and development of JAVA systems • Understanding of data models, OOP, and design patterns • Broad knowledge of Spring (Spring Boot) framework • Experience building server applications with REST API • Experience with SQL database • Good knowledge of JPA (Hibernate) • Kafka (or any messaging broker) • Experience in designing and implementing systems based on microservices architecture • Good verbal and written communication skills in English and ability to work in both international and multifunctional teams Experience in any of the following areas is a distinct advantage: • Kubernetes, Docker, and Helm Charts. • CI/CD pipelines • Knowledge of serialization libraries (for example, Avro, Protobuf, JSON) • Application performance profiling/tuning • Integration with external systems • Telehealth or Telecare system experience We offer:  • A unique opportunity to make a tangible impact in the global healthcare market • Exposure to the latest technologies and a dynamic, international work environment • A commitment to your professional growth and career advancement • Collaboration based on a B2B contract or contract of employment  • Flexible cooperation model with the possibility of remote, hybrid, or on-site collaboration (Wrocław)