API Developer - Java

NTT DATA; City Of London; On-site; GBP 50,000 - 70,000; Full time

Job summary

A leading technology firm in the UK is looking for a Java Developer to work with Microservices and AWS. The role involves developing clean code, managing data exchange, and collaborating within a team. Ideal candidates have experience with Java Spring Boot, attention to detail, and are SC cleared or UK residents for the past 5 years. Flexible work options and continuous development opportunities are offered.

Benefits

Flexible work options

Continuous growth and development opportunities

Range of tailored benefits for wellbeing

Qualifications

• Proven delivery success in large-scale development projects.
• SC Cleared or residency in the UK for the past 5 years, ideally British Passport Holder.
• Ideally public sector or central government experience.

Responsibilities

• Develop clean, well-tested, and maintainable code.
• Collaborate with team members and ensure compliance with quality guidelines.
• Manage data exchange and adhere to agile development lifecycles.

Skills

Java Spring Boot for integration micro-service patterns

SOLID principles and clean code

Streaming data (Apache Kafka)

SQL and NoSQL data sources (Postgres, Mongo)

DevOps tooling and AWS services

Attention to detail and organizational skills

Collaborative team working

Experience with micro-services

AWS or Kubernetes certification

Job description

The team you'll be working with

NTT DATA UK is looking for a Java Developer with Microservices and AWS experience to join their team.

What you’ll be doing

The role involves developing clean, well‑tested, and maintainable code, collaborating with team members, and ensuring compliance with quality guidelines. Responsibilities include managing data exchange, adhering to SOLID Principles and agile development lifecycles, addressing non‑functional requirements, supporting releases, and staying proactive in adopting new technologies.

What experience you’ll bring

To be successful in this role, you will need:

• Experience with Java Spring Boot for integration micro‑service patterns
• Knowledge of SOLID principles and clean code
• Familiarity with streaming data, such as Apache Kafka, and AWS native messaging / streaming features
• Ability to work with SQL and NoSQL data sources like Postgres and Mongo
• Understanding of DevOps tooling and AWS services
• Attention to detail and organisational skills
• Proven delivery success in large‑scale development projects
• Demonstrable collaborative team working and ownership of delivery commitments
• SC Cleared or residency in the UK for the past 5 years (ideally British Passport Holder)
• Ideally public sector / central government experience
• Proven experience as micro‑services developer
• Ideally AWS or Kubernetes application developer certified

Who we are

We’re a business with a global reach that empowers local teams, and we undertake hugely exciting work that is genuinely changing the world. Our advanced portfolio of consulting, applications, business process, cloud, and infrastructure services will allow you to achieve great things by working with brilliant colleagues and clients on exciting projects.

What we’ll offer you

We offer a range of tailored benefits that support your physical, emotional, and financial wellbeing. Our Learning and Development team ensures there are continuous growth and development opportunities for our people. We also offer the opportunity to have flexible work options.

For more information on diversity, equity and inclusion please click here: Creating Inclusion Together at NTT DATA UK | NTT DATA

You can find more information about NTT DATA UK & Ireland here: NTT DATA UK & I