AGNTX
Senior Software Engineer
Senior Software Engineer at AGNTX, based in Manchester, North West. This is a permanent role.
- Pay
- Not given by the employer
- Hours and contract
- Permanent · On site
- Location
- Manchester, North West
- Closing date
- Sector
- Software Developer
- Immediate start
Reference 644720823319735079
About the role
SENIOR SOFTWARE ENGINEER | FRONTEND, GOV.UK DESIGN SYSTEM | REMOTE, OCCASIONAL MANCHESTER
Central Government Digital Service — £500 per day inside IR35 — Start ASAP
THE ROLE
A frontend-weighted engineering seat on a public-facing government digital service built to the GOV.UK Design System, and it goes deeper than the front end. The client's own title for the role is Senior Frontend Developer, at SFIA 5. You will be working in Nunjucks and the GOV.UK pattern library, in React and Node where the service needs it, and into a Java service layer underneath.
If you have built a government service you will recognise the stack immediately. If you have not, the Java half of this will tell you quickly whether it is for you.
YOU WILL
- Work in Nunjucks against the GOV.UK Design System, and in Freemarker where the Java layer templates
- Develop in ReactJS and Node.js across the service
- Work into the Java 11 service layer — Spring Boot, Dropwizard, Jersey, CXF and Maven
- Manage styling at scale with Bootstrap, LESS and SASS
- Own your code through the pipeline — Git, GitLab CI, Jenkins and SonarQube quality gates
- Work alongside backend engineers, designers, content and user research in a multidisciplinary team
WHAT THEY ARE LOOKING FOR
- Frontend templating and styling frameworks — Nunjucks, Freemarker, Bootstrap, LESS and SASS
- Working Java 11, including Spring Boot, Dropwizard, Jersey, CXF and Maven
- CI tooling and quality gates — Git, GitLab CI, Jenkins and SonarQube
- Comfortable in a service with a Java backend rather than a pure frontend codebase
- UK central government delivery — essential on this programme
ADVANTAGEOUS
- AWS
- GOV.UK Design System and GOV.UK Frontend on a live public-facing service
- Accessibility to WCAG on a government service, and GDS service assessments
THE DETAIL
£500 per day inside IR35.
Remote, with occasional travel to Manchester.
Six months initially.
- Please note prior UK central government delivery is a requirement on this programme.
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Reference: 644720823319735079 · Posted 1 hour ago · Closes 15 Dec 2026 · Listed via AGNTX
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