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Location
Hybrid (Bristol, United Kingdom)
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 11, 2026. First seen by Alion on Oct 10, 2026.

Overview
Company
Impact
Profile match
Test Triangle is a Dublin-headquartered technology services company providing IT service management consulting as an Atlassian, ServiceNow and Freshworks partner, along with software testing, cloud, digital transformation and recruitment outsourcing services. Operating since 2012 from Blanchardstown Corporate Park, it serves organisations across Ireland, the UK and further afield and supplies contract and permanent specialists to client organisations such as UK banks. Its postings are mainly client placements for data analysts, DevOps and platform engineers, cyber security specialists, solution architects, project managers and mobile developers in Dublin, London and other cities.

Senior Frontend Software Engineer (React / TypeScript)

Location: Bristol, UK

Working model: Hybrid - 2 days on - site per week (mandatory)

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

* JestJSand 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

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