Basic

Senior Frontend Developer

bath, south west england Company: JR UK Client / Employer: Infinity Quest
Posted: 18.05.2026
Closing date: 02.07.2026
Job reference: 7358590faf144deae3447d8172be52f1

Job information

Location
bath, south west england
Company
JR UK
Client / Employer
Infinity Quest
Job reference
7358590faf144deae3447d8172be52f1
Listing type
Basic
EU work permit required
No
Posted
18.05.2026
Closing date
02.07.2026

Job description

Role Summary

We are seeking Senior Frontend Software Engineers to work within cross‑functional feature teams delivering front‑end led capabilities for the Data Marketplace. The role focuses on building accessible, high‑quality, and well‑tested user interfaces on a cloud‑native platform running on Google Cloud Platform (GCP).

Engineers are expected to take strong technical ownership of frontend delivery, contribute to technical direction, and support other engineers within the team.


Skillsets required:

Primary focus on experienced Frontend Software Engineers, with strong React expertise.

Proven experience building accessible, testable, scalable user interfaces.

Strong test-first mindset (TDD) and confidence writing automated tests.


Hands-on experience with:

* React, JavaScript/TypeScript

* JestJS and modern frontend testing practices

* Accessibility standards (WCAG) and tooling (axe-core)


Desirable (bonus) skills:

* Backend development with Java / Quarkus

* Working with REST APIs and PostgreSQL

* DevOps exposure across CI/CD pipelines, containers and Kubernetes


Experience operating at Senior level, including:

* Technical ownership of solutions

* Coaching/mentoring other engineers

* Contributing to architectural and technical direction

Skills

ABAP adapt to changes in technological development plans AJAX Ajax Framework analyse software specifications Ansible Apache Maven Apache Tomcat APL ASP.NET Assembly (computer programming) blockchain openness blockchain platforms C COBOL CoffeeScript collect customer feedback on applications Common Lisp computer programming create flowchart diagram cyber attack counter-measures data visualisation software debug software defence standard procedures define technical requirements design user interface develop automated migration methods develop creative ideas develop software prototype do cloud refactoring Drupal Eclipse (integrated development environment software) engineering principles engineering processes Erlang Git Groovy Haskell IBM WebSphere ICT debugging tools ICT security legislation identify customer requirements integrate system components integrated development environment software Internet of Things interpret technical requirements Java (computer programming) JavaScript JavaScript Framework Jenkins (tools for software configuration management) KDevelop Laravel Lisp manage engineering project Matlab Microsoft Visual C++ migrate existing data ML (computer programming) MySQL NoSQL object-oriented modelling Objective-C OpenEdge Advanced Business Language Oracle Application Development Framework Pascal (computer programming) perform scientific research Perl PHP Project Management Prolog (computer programming) Puppet (tools for software configuration management) Python (computer programming) R Ruby (computer programming) Salt (tools for software configuration management) SAP R3 SAS language Scala Scratch (computer programming) screen reader Smalltalk (computer programming) smart contract software anomalies software frameworks Spark SQL STAF Swift (computer programming) technical drawings tools for software configuration management Trading Software TypeScript use an application-specific interface use automatic programming use concurrent programming use functional programming use logic programming use object-oriented programming use query languages use software design patterns use software libraries use technical drawing software utilise computer-aided software engineering tools utilise machine learning VBScript Visual Basic Web Services WordPress World Wide Web Consortium standards Xcode

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