Middle Java FullStack | Java + React.js / Angular

Java Full Stack Developer (Mid Level) | Java React.js / Angular📍 Location: Warsaw, Poland💼 Work Model: Hybrid (2 days/week onsite – mandatory)We are looking for a skilled Mid-Level Java Full Stack Developer to join an international Enterprise SWIFT team working on mission-critical financial communication solutions for a global client.This role is ideal for engineers who enjoy backend-focused development while also contributing to modern frontend applications using React.js or Angular.🔹 Project OverviewYou will work on secure enterprise integrations connected with SWIFT Alliance Cloud, building and enhancing systems responsible for message transmission, transformation, routingKey responsibilities include:

• Developing REST APIs and backend services using Java & Spring• Integrating with SWIFT Alliance Cloud protocols and services• Processing and transforming financial messages/files• Building scalable microservices-based solutions• Supporting frontend development in React.js or Angular• Collaborating closely with Product, QA, DevOps, and Agile teams• Participating in code reviews, architecture discussions, and continuous improvement initiatives🛠 Required Skills• 3–4 years of commercial experience• Strong Java & Spring expertise• Experience with React.js or Angular• Knowledge of REST API, HTTPS, SFTP, SOAP• Understanding of microservices and containerization• Experience with Git/GitHub, Jenkins, Maven, Jira• SQL & MySQL knowledge• Familiarity with Linux environments• Strong analytical and problem-solving skills⭐ Nice to Have• Python experience• Experience in enterprise integration or banking/financial projects• Exposure to Agile/Scrum methodologiesIf you are a proactive Java Full Stack Engineer looking for a challenging long-term opportunity in Warsaw - we would love to connect with you.