3310 IT & Software Developer jobs in the UK
Senior Software Engineer - Front End
£30,000 - 60,000
VANRATH
Gloucester Street, Belfast
£30,000 - 60,000
Requirements
Must:
- Proven experience developing scalable web applications using React, TypeScript, JavaScript, and HTML/CSS
- Strong knowledge of modern React, TypeScript, ES6, JSX, and reusable component design patterns
- Experience ensuring consistent UX/UI across multiple browsers
- Familiarity with component libraries such as Material UI, Ant Design, or similar
- Experience implementing automated testing using tools such as Cypress, Selenium, or similar
- Experience using modern build tools (Webpack, Vite, or similar)
- Strong understanding of performance optimisation and web security best practices
- Experience working across the full SDLC, from design through production support
- Strong problem-solving skills with the ability to validate technical approaches via POCs
- Experience documenting and testing systems effectively
- Desirable: Experience using design collaboration tools (e.g. Figma)
- Desirable: Familiarity with component-driven development tools (e.g. Storybook)
- Desirable: Exposure to financial services or enterprise-scale platforms
- Desirable: Experience with cloud platforms
- Desirable: Experience with backend technologies such as C# and relational databases
- Desirable: Knowledge of TDD / BDD methodologies
Responsibilities
- Join a high-performing Agile team responsible for delivering scalable, intuitive, and high-performance front-end applications
- Design and implement modern web interfaces that support mission-critical platforms
- Take ownership of front-end engineering deliverables from design through implementation
- Build modern, reusable components using React, TypeScript, and JavaScript
- Ensure cross-browser compatibility, optimise performance, and uphold best practices in testing and security
- Mentor junior engineers and contribute to technical direction
- Continuously explore new tools and frameworks to enhance delivery capability
- Build automated test suites (integration, regression, end-to-end)
- Optimise build processes using tools such as Webpack or Vite
- Collaborate closely with design teams to deliver consistent user experiences across complex systems
Description
We are a global organization operating within financial markets technology, currently seeking a Senior Software Engineer (Front End) to join our Belfast-based team. This key position within our established technology division focuses on building and enhancing business-critical digital platforms used across global markets. We offer a competitive salary, hybrid working arrangements, and a collaborative Agile environment with strong career progression. You will have the opportunity to work on high-impact systems that support liquidity, pricing, and data distribution for our international clients.
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You can find JavaScript Developer salaries in the UK here.
How many JavaScript Developer jobs are in the UK?
Currently, there are 3310 JavaScript openings. Check also: React jobs, Angular jobs, Vue jobs, TypeScript jobs, NodeJS jobs - all with salary brackets.
Is the UK a good place for JavaScript Developers?
The UK is one of the best countries to work as a JavaScript Engineer. It has a vibrant startup community, growing tech hubs and, most important: lots of interesting jobs for people who work in tech.
Which companies are hiring for JavaScript Developer jobs in the UK?
Arctic Shores, SwapTix, Global Exposure, EG On The Move Ltd, HM Land Registry, Metropolitan Police, Southern Housing among others, are currently hiring for JavaScript roles in the UK.
The company with most openings is Experis as they are hiring for 107 different JavaScript Developer jobs in the UK. They are probably quite committed to find good JavaScript Developers.
The company with most openings is Experis as they are hiring for 107 different JavaScript Developer jobs in the UK. They are probably quite committed to find good JavaScript Developers.