Full Stack Engineer

3 days ago

Cheltenham, Gloucestershire, United Kingdom Sanderson Government & Defence Full time

Full Stack Software Engineer

Location:
Cheltenham

Business Unit:
National Security

Employment Type:
Permanent or Contract

Clearance:
Must hold active UK Security Clearance

About the Opportunity

We are partnering with a leading Engineering business seeking experienced
Full Stack Software Engineers
to help deliver mission-critical capabilities that protect the UK's security and prosperity. You will work at the intersection of advanced engineering and real-world problem-solving, developing cutting-edge products that counter evolving threats.

Our teams work with leading technologies across
AI/DS, Cyber, Cloud, DevOps/SRE, and Platform Engineering
, supporting customers across the National Security, Defence and Intelligence community. With long-term programmes secured, this is an opportunity to join a high-growth environment with genuine impact.

What You'll Be Doing

  • Designing, developing, and delivering secure, high-quality software solutions.
  • Producing clean, test-driven code and ensuring adherence to engineering best practice.
  • Translating logical designs into physical implementations and producing detailed designs.
  • Integrating UI/API components with existing data stores and services.
  • Maintaining and enhancing architectural elements such as data ingest pipelines, data stores and REST APIs.
  • Collaborating with user researchers, product teams, and customers to align solutions with real user needs.
  • Participating fully in Agile ceremonies: sprint planning, daily stand-ups, demos, and backlog refinement.
  • Contributing to technical strategy, innovation, and tactical upskilling across emerging technologies.

Key Skills & Experience

  • Strong commercial experience with
    Spring Boot
    and
    Java Enterprise
    development.
  • Front-end proficiency with
    React
    ,

    , or
    AngularJS
    .
  • Experience with modern testing frameworks and TDD.
  • Ability to work across UI, API, and data layers.
  • Technically curious and willing to adopt emerging tools and approaches.
  • Strong documentation and design discipline.

Why Join?

You'll be part of a trusted engineering organisation with over 60 years of heritage in sensors, communications, cyber, AI and ML. They solve complex challenges that make a tangible difference protecting people, platforms and missions, today and for the future.

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