Who We Are We don't have the fame, but we've got the flame. We are a distributed group of specialists within NTT DATA Romania, who make the best out of JVM-based technologies, creativity and business solutions. Referred to as Java Competence Center, we co-create and co‑accelerate with key players in any field. Without being limited to any business unit, we demonstrated our deep Java development expertise by delivering SaaS platforms in various domains: Web Applications in e‑Commerce, Automotive, Telco, Insurance, Banking and Public sector, even Big Data and scientific applications. We are looking for candidates to join a strategic project within the financial sector, focused on building and enhancing digital solutions for tax compliance and appeals management. What You’ll Be Doing Development of microservices and integration with the existing platform Design and implement a Java application using Spring Boot, ensuring seamless compatibility, scalability, and fault tolerance Implement data models, APIs, and microservices to integrate with existing systems and databases, enabling seamless data exchange and real‑time updates Develop algorithms and forecasting models to predict production volumes based on historical data, market demand, and other relevant factors Create intuitive user interfaces to facilitate data input, visualization, and analysis, enabling production planners to make informed decisions Collaborate with the testing team to ensure proper functionality, performance, and reliability of the application, conducting thorough unit and integration testing Design and implement UX for AI‑powered features Integrate LLM outputs into user interfaces Develop and optimize RAG pipelines and prompt engineering strategies Work with vector databases and Azure OpenAI APIs to enable AI‑driven capabilities Optimize application performance by identifying and resolving bottlenecks, fine‑tuning code, and implementing caching mechanisms where applicable Document the development process, including design decisions, technical specifications, and user guides, to ensure knowledge transfer and facilitate future maintenance What You’ll Bring Along A university degree or advanced diploma in a software engineering‑related discipline, preferably in Computer Science, or equivalent experience At least 5 years of experience in a similar position Application development experience with Spring Boot Working experience with microservice architecture Working experience with unit testing and test automation Working experience with Maven or similar build tools Experience with messaging technologies (RabbitMQ, Kafka) Hands‑on experience with vector databases, RAG pipeline optimization, prompt engineering, and Azure OpenAI APIs Familiarity with Docker, Kubernetes or other containerization frameworks Experience with shell scripting and Git Working experience with Oracle, PostgreSQL, MongoDB Familiarity with build/deployment automation Experience with cloud‑based systems is nice to have Excellent verbal and written communication skills in English Nice to have good written and understanding skills in German #J-18808-Ljbffr