Java & React SPA Engineer

Leidos; Ham; Hybrid; GBP 47,600 - 61,000; Full time

Benefits offered by this job

Contributory Pension Scheme

Private Medical Insurance

33 days Annual Leave

Flexible benefits

Flexi-Time Working

Job summary

Leidos UK & EUROPE is seeking a Java Software Engineer to sustain the current environment and deliver new user-facing capabilities. You will develop solutions to complex technical issues, design modern UI with React and TypeScript, and ensure clean separation from backend systems.

Collaborate with backend and test engineers, contribute to Agile development, maintain the build and deployment pipeline, and produce clear technical documentation.

Qualifications

• Strong experience building SPAs with React and TypeScript.
• Experience integrating front-end applications with REST APIs.
• Familiarity with Agile software development processes and iterative delivery.
• Familiarity with the Atlassian tool suite (Jira, Bitbucket, Bamboo), or equivalent tooling, with CI/CD concepts.
• Ability to perform complex engineering tasks with minimal supervision.
• Experience producing technical documentation.
• Proven experience writing unit and integration tests.

Responsibilities

• Develop, debug, test, document, and deploy software enhancements aligned with the Software Development Strategy.
• Design and implement modern single-page applications using React and TypeScript.
• Consume and integrate with REST APIs, maintaining clean separation from backend and legacy systems.
• Support delivery commitments across projects and releases.
• Contribute to and support UI and API test automation efforts.
• Collaborate closely with backend and test engineers to ensure end-to-end quality.
• Produce clear technical documentation and maintain readable, well-structured code.
• Participate fully in the Agile software development lifecycle.
• Use tooling such as Bitbucket, Jira, Jenkins, and Confluence to manage code, work items, and builds.
• Communicate progress, risks, and technical decisions clearly to stakeholders.

Skills

SPA development

REST API integration

Agile development

Technical documentation

Unit & integration testing

Strong collaboration

Tools

React

TypeScript

Jira

Bitbucket

Bamboo

Jenkins

Confluence

Job description

Leidos UK & EUROPE is seeking a Java Software Engineer to sustain the current environment and deliver new user-facing capabilities. You will develop solutions to complex technical issues, design modern UI with React and TypeScript, and ensure clean separation from backend systems.

Collaborate with backend and test engineers, contribute to Agile development, maintain the build and deployment pipeline, and produce clear technical documentation.