2,456

Javascript jobs in United Kingdom

Senior TypeScript Full-Stack Engineer & Platform Architect

TP ICAP

Belfast
On-site
GBP 60,000 - 80,000
30+ days ago
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Solution Engineer

Welcome to the Jungle

Greater London
Hybrid
GBP 45,000 - 65,000
30+ days ago

Dev / Tech Lead

Third Republic

Greater London
On-site
GBP 80,000 - 95,000
30+ days ago

Senior Technical Consultant Openlink

ION

Greater London
On-site
GBP 70,000 - 90,000
30+ days ago

Senior Pensions Researcher

Wilmington Plc

Greater London
Hybrid
GBP 60,000 - 80,000
30+ days ago
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Full-Stack Engineer - Typescript

TP ICAP

Belfast
On-site
GBP 60,000 - 80,000
30+ days ago

Implementation Consultant

TS Imagine

Greater London
On-site
GBP 40,000 - 60,000
30+ days ago

Junior .NET + React Developer — Hybrid Work & Growth

Nine Twenty

Clydebank
On-site
GBP 80,000 - 100,000
30+ days ago
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Senior Forward-Deployed Engineer - UK Remote

Space Executive

United Kingdom
Remote
GBP 60,000 - 80,000
30+ days ago

Technical Lead - End-to-End Digital Delivery (Hybrid)

PA Consulting

Belfast
On-site
GBP 45,000 - 60,000
30+ days ago

Junior Developer

Nine Twenty

Clydebank
On-site
GBP 80,000 - 100,000
30+ days ago

Technical Lead

PA Consulting

Greater London
On-site
GBP 80,000 - 100,000
30+ days ago

Senior Node.js Backend Lead | Hybrid London

Two Circles

Greater London
Hybrid
GBP 75,000 - 100,000
30+ days ago

Senior Product Engineer

Intercom

Greater London
Hybrid
GBP 125,000 - 150,000
30+ days ago

Senior Solutions Architect

Intercom

Greater London
Hybrid
GBP 70,000 - 90,000
30+ days ago

Java Developer

Hastings Direct

Greater London
Hybrid
GBP 80,000 - 100,000
30+ days ago

SEO Specialist

RM Staffing B.V.

Slough
On-site
GBP 30,000 - 45,000
30+ days ago

Software Team Lead

Roke

Woking
On-site
GBP 60,000 - 80,000
30+ days ago

Product Engineer

Intercom

Greater London
Hybrid
GBP 80,000 - 100,000
30+ days ago

Junior Developer

TEC Partners

England
On-site
GBP 34,000 - 40,000
30+ days ago

Senior Front End Dev (Blazor) - On-site, 70K + Benefits

Ascent People

Manchester
On-site
GBP 59,000 - 70,000
30+ days ago

Marketing Tech & Automation Engineer (Data Integrations)

Funding Circle

Greater London
Hybrid
GBP 50,000 - 70,000
30+ days ago

Remote Senior React Engineer - Build Scalable Web Platforms

Abel & Cole

Wimbledon
Hybrid
GBP 55,000 - 75,000
30+ days ago

2026 Apprentice - Digital (Software Development) - Belfast

PA Consulting

Belfast
On-site
GBP 27,000
30+ days ago

Digital Solutions Developer

Hazen and Sawyer

Greater London
Hybrid
GBP 80,000 - 100,000
30+ days ago

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Senior TypeScript Full-Stack Engineer & Platform Architect
TP ICAP
Belfast
On-site
GBP 60,000 - 80,000
Full time
30+ days ago

Job summary

A leading financial services firm in Belfast is looking for a Full-Stack Engineer to shape the technical direction of its platforms. This role involves owning the delivery of complex features, acting as a technical leader, and collaborating across disciplines. The ideal candidate should have extensive experience in front-end and back-end technologies, including HTML5, JavaScript, React, TypeScript, and cloud technologies. This position offers the opportunity to influence architecture and deliver solutions that scale globally, providing a dynamic work environment.

Qualifications

  • 5+ years of industry experience in full-stack engineering.
  • Proficient in front-end and back-end technologies including TypeScript.
  • Experience with microservices architecture and cloud platforms.

Responsibilities

  • Own end-to-end delivery of complex features and services.
  • Act as a technical leader and mentor peers.
  • Drive system evolution toward target-state architecture.

Skills

HTML5, CSS3, modern JavaScript (ES6+)
React, Redux, React Query, GraphQL
Responsive design
SQL
API development (REST and GraphQL)
AWS ecosystem
CI/CD pipelines
Agile methodologies
Proficient with Git

Education

STEM degree

Tools

JIRA
Terraform
Linux shell scripting
Windows PowerShell
Job description
A leading financial services firm in Belfast is looking for a Full-Stack Engineer to shape the technical direction of its platforms. This role involves owning the delivery of complex features, acting as a technical leader, and collaborating across disciplines. The ideal candidate should have extensive experience in front-end and back-end technologies, including HTML5, JavaScript, React, TypeScript, and cloud technologies. This position offers the opportunity to influence architecture and deliver solutions that scale globally, providing a dynamic work environment.

* The salary benchmark is based on the target salaries of market leaders in their relevant sectors. It is intended to serve as a guide to help Premium Members assess open positions and to help in salary negotiations. The salary benchmark is not provided directly by the company, which could be significantly higher or lower.