Java Backend Developer

NTT DATA strives to hire exceptional innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive adaptable and forward-thinking organization apply now.

Location: London Hybrid 2 days a week from Office

Role Summary

We are seeking an experienced Java Backend Developer to design develop and support scalable enterprise applications using Java and Spring technologies. The ideal candidate should have strong software engineering fundamentals hands-on experience across the full development lifecycle and the ability to work effectively in complex enterprise environments.

The role will involve new feature development collaboration with Business Analysts and business stakeholders production support and continuous improvement of application stability performance and monitoring.

Day to Day Job Duties

• Design develop test and implement new application functionality using Java and Spring/Spring Boot.
• Develop backend services APIs and reusable application components.
• Work closely with business stakeholders and Business Analysts to understand functional and non-functional requirements.
• Translate business requirements into scalable and maintainable technical solutions.
• Design and integrate RESTful APIs with internal and external applications.
• Develop and optimize database queries and application data-access components.
• Investigate complex production incidents and perform root cause analysis.
• Implement permanent fixes for recurring production issues.
• Drive improvements in application stability performance monitoring and observability.
• Participate in solution design technical discussions and code reviews.
• Develop unit and integration tests and ensure appropriate test coverage.
• Support application releases deployments and production readiness activities.
• Collaborate with QA DevOps infrastructure and support teams throughout the development lifecycle.
• Follow Agile/Scrum and software engineering best practices.

Basic Qualifications

• 7 years of experience in Java application development and enterprise software engineering.
• 4 years of experience with Spring/Spring Boot and backend application development.
• 3 years of experience developing and integrating REST APIs and relational databases.
• 3 years of experience across the full SDLC including design development testing deployment and production support.

Core Technical Skills

• Programming: Java
• Frameworks: Spring Spring Boot
• API Development: REST APIs System Integration
• Databases: SQL Relational Databases
• Architecture: Object-Oriented Design Design Patterns Software Design Principles
• Testing: Unit Testing Integration Testing
• Production Support: Incident Analysis RCA Troubleshooting
• Engineering: Git CI/CD Code Reviews
• Monitoring: Application Monitoring Logging Observability

Nice to Have

• Hands-on experience with Kotlin.
• Experience with Linux/Unix environments.
• Knowledge of Kubernetes and containerized applications.
• Experience with Microservices and distributed application architecture.
• Experience with Docker and cloud-native application development.
• Familiarity with monitoring and observability tools such as Splunk Dynatrace Datadog Prometheus or Grafana.
• Experience with CI/CD tools such as Jenkins GitLab CI GitHub Actions or Azure DevOps.
• Experience supporting business-critical production applications.
• Strong understanding of application performance resilience and stability engineering.
• Strong analytical troubleshooting communication and problem-solving skills.

About NTT DATA

NTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate optimize and transform for long term success. As a Global Top Employer we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up services include business and technology consulting data and artificial intelligence industry solutions as well as the development implementation and management of applications infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future. Visit us at

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