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NTT DATA Logo NTT DATA · IT - Software Development

Java Senior Developer

Romania, Brasov · Job Posted April 27, 2026
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Job Responsibility

  • 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 implement 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

Requirements

  • 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 on a similar position is required
  • 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, Mongo DB
  • Familiarity with build/deployment automation
  • Excellent verbal and written communication skills in English

Nice to have

  • Experience with Cloud based system is nice to have
  • Good written and understanding skills in German

What we offer

  • Smooth integration and a supportive mentor
  • Pick your working style: choose from Remote, Hybrid or Office work opportunities
  • Different working hours to suit your needs
  • Sponsored certifications, trainings and top e-learning platforms
  • Private Health Insurance
  • Individual coaching sessions or accredited Coaching School
  • Epic parties or themed events
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