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Senior Java Backend Developer

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NTT DATA

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Location:
Romania , Brasov

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

We are looking for an experienced Senior Java Backend Developer with strong expertise in Oracle PL/SQL and enterprise integrations. This role is ideal for a senior engineer who enjoys solving complex backend challenges, working with large datasets, and designing integration flows for mission‑critical systems. You will be a key technical contributor in a mature enterprise environment, driving backend development, optimizing data processing, and ensuring smooth communication between distributed systems.

Job Responsibility:

  • Design and develop robust backend services using Java (enterprise-grade applications)
  • Implement business logic, service orchestration, and integration points
  • Ensure scalability, performance, and reliability of backend modules
  • Develop and optimize advanced PL/SQL packages, procedures, functions, and triggers
  • Perform SQL tuning and improve data processing efficiency
  • Work closely with large datasets and complex schemas
  • Drive best practices around data modeling and database performance
  • Support and enhance REST/SOAP integration flows between systems
  • Troubleshoot data transformation issues and integration inconsistencies
  • Participate in technical design and architecture discussions

Requirements:

  • University degree or advanced diploma in a software engineering-related discipline, preferably in Computer Science, or equivalent experience
  • Minimum 7 years of experience in a similar position
  • Strong experience in Java backend development
  • Solid understanding of: Object-oriented design, Multithreading and concurrency, Service-oriented architectures
  • Deep hands-on experience with Oracle PL/SQL development
  • Experience with Jakarta EE or Spring Framework
  • Good knowledge of SQL performance tuning at scale
  • Experience with Git or similar VCS
  • Experience with CI/CD, build and deployment pipelines
  • Good knowledge of: REST/SOAP APIs, schema validation, and data transformation
  • Very good English and German communication skills, written and spoken
What we offer:
  • Smooth integration and a supportive mentor
  • Choose from Remote, Hybrid or Office work opportunities
  • Projects have 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

Additional Information:

Job Posted:
April 05, 2026

Work Type:
Remote work
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