Javascript Developer Jobs in Cardiff, UK

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Javascript Developer

You’ll lead technical delivery, mentor engineers, and help shape scalable, secure solutions across projects involving cutting‑edge technologies including AI, cybersecurity, and autonomous systems. What you’ll do: Lead and mentor developers, driving engineering best practices < ...

Senior Javascript Developer

Senior Full Stack JavaScript Developer Salary: £60,000 - £80,000 base salary plus benefits, perks, and healthcare options Location: Cardiff - Hybrid We’re looking for a Senior Full Stack JavaScript Developer to join a fast‑moving engineering team building modern ...

.NET Developer

.NET Developer, .NET 9, C# – Computer Gaming Company – Cardiff(Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer)Having sold over 100 million games consoles and over 500 ...

.NET Developer

.NET Developer, .NET 9, C# – Computer Gaming Company – Cardiff(Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer)Having sold over 100 million games consoles and over 500 ...

.NET Developer

.NET Developer, .NET 9, C# - Computer Gaming Company - Cardiff (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Having sold over 100 million games consoles and ...

JavaScript/Angular Software Engineer — Hybrid DevOps Role

Capgemini is seeking a technical expert in Cardiff, UK to join a team specializing in agile custom software development. This hybrid role demands expertise in JavaScript/Typescript, Angular, and solid development processes. Responsibilities include delivering projects DevOps-style, fostering performance and reli ...

Senior JavaScript Lead: AI Driven, Scalable Apps

83zero is looking for a technical leader to guide engineers and deliver innovative solutions in Cardiff, United Kingdom. The role involves mentoring teams and working on cutting-edge projects related to AI, cybersecurity, and autonomous systems. You will design robust systems, foster best practices, an ...

Senior Full Stack JS Lead — Hybrid, High Impact Tech

83zero Limited is seeking a Senior Full Stack JavaScript Developer for its Cardiff office with a hybrid work model. You will lead technical delivery, mentor engineers, and work on high-impact projects in web and mobile applications using cutting-edge technologies. The ideal candidate will have strong e ...

Frontend Developer in Cardiff HEOR

Frontend Developer Cardiff, United Kingdom Posted 10 months ago Tech Stack React, Python, SOLID, HTML5, Node.js, JavaScript, Next.js, CSS, Computer Science Skills & Experience Computer Science, Software Engineering, Web Development, or a relate ...

Frontend Engineer React, Next.js & Node.js

Java Script Works is looking for a Frontend Developer to join their team in Cardiff, United Kingdom. The ideal candidate will have strong front-end development skills in HTML, CSS, and JavaScript, and a solid understanding of back-end technologies like Python and Node.js. This full-time position offers competiti ...

Hybrid Full Stack PHP Developer | Profit Share

Yolk Recruitment is seeking a Full Stack PHP Developer in Cardiff for a tech company offering up to £50,000 and a profit share scheme. This role involves building and maintaining features of a user-friendly platform for event management. The ideal candidate has solid PHP, HTML/CSS, and JavaScript experience. Ben ...

Hybrid Full Stack PHP Developer — Profit Share

Yolk Recruitment Ltd is seeking a Full Stack PHP Developer to join their team in Cardiff with hybrid working post-probation. You'll contribute to a platform that supports thousands of live events globally. The role involves building and maintaining features, improving performance, and developing user-f ...

Senior Front End Engineer — Lead High Traffic Web Apps

AllClear - Voted UK's No.1 for Customer Care is seeking a Senior Front End Developer to enhance their web platforms in Cardiff. This position involves leading the development of customer-facing applications, translating designs into functional interfaces, and optimizing performance across devices. The ideal cand ...

Full Stack .NET Developer Azure Cardiff

Join to apply for the Full Stack .NET Developer - Azure - Cardiff role at TieTalent 1 day ago Be among the first 25 applicants Join to apply for the Full Stack .NET Developer - Azure - Cardiff role at TieTalent Full S ...

Dynamics Developer

Specialist .NET recruiter - Bristol & South Wales Senior Microsoft Dynamics 365 Developer - South Wales - up to £75,000 p/a doe Are you passionate about designing and building cutting-edge eCommerce applications and API solutions </st ...

Frontend Developer

Vivo Talent is looking to recruit a Frontend Software Engineer with strong hands‑on experience in React. You’ll be playing a key part in building and evolving user interfaces that power their products, working across component design, API integration and performance optimisation. It is an ideal pos ...

Automation Developer

Permanent/Regular or Fixed Term Contract/Temporary: Permanent L&G Business Unit: Legal & General Retail L&G sub Business Unit: RETAIL - CENTRAL Primary Location: Cardiff, Four Central Square Job Family: IT & Change Company Description Legal ...

Software Developer

The University is recruiting for Software Developers to support the development of services and systems supporting both students and staff, both on campus and across the world. We’re passionate about development at Cardiff Met and we’re looking to speak with candidates who share our vision and can ...

Software Developer

Overview The University is recruiting Software Developers to support the development of services and systems for students and staff on campus and worldwide. We’re passionate about development at Cardiff Met and are looking for candidates who share our vision and can help create an outstanding stu ...

Automation Developer

Job Description We are seeking a talented Automation Developer to leverage LGI’s automation technologies to design, develop, and deploy process automation solutions across the Retail function. The role focuses on delivering innovative solutions to business challenges by pragmatically automating m ...

Full Stack PHP Developer

Full Stack PHP Developer | Cardiff / Hybrid | Up to £50,000 + Profit Share An established and growing tech company looking for a Full Stack PHP Developer to join their collaborative development team. Their intuitive platform helps event organisers manage sales, reporting, and box office operation ...

Full Stack PHP Developer

Full Stack PHP Developer | Cardiff / Hybrid | Up to £50,000 + Profit Share An established and growing tech company looking for a Full Stack PHP Developer to join their collaborative development team. Their intuitive platform helps event organisers manage sales, reporting, and box office operation ...

Senior Front End Developer, Cardiff, Wales

Senior Front End Developer, Cardiff, Wales Department: Information Technology Employment Type: Full Time Location: Cardiff Compensation: £45,000 - £50,000 / year Description This job can be based at either Romford or Cardif ...

Senior Mendix Developer

Senior Mendix Developer Wealth & Asset Management (Outside IR35) Rate: Up to £450/day Contract: 2-month initial (likely extension to 6 months due to a large product backlog) IR35: Outside Location: UK-based (remote/Hybrid depending on client) Overview A wealth management client is seeking a Senior Mendix Develo ...

.NET Developer Cardiff

1 day ago Be among the first 25 applicants This range is provided by Noir. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Connecting Microsoft professionals, Developers, DevOps Engineers, Architects and Development Managers with amazing car ...

Senior Frontend Developer

Senior Software Engineer – Front‑End IntaPeople are working with a disruptive financial services organisation recognised as having one of the most exciting upcoming products in Europe. We are looking for a Senior Software Engineer with a strong focus on the front‑end. You’ll be working cl ...

Senior Software Developer

Get AI-powered advice on this job and more exclusive features. An Amazing Career Opportunity for a Senior Software Developer !! Location: Cardiff UK Job ID: 32973 The Operations Solutions team delivers software solutions used th ...

Senior Software Developer

4 days ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Advanced Secure Technologies provided pay range This range is provided by Advanced Secure Technologies. Your actual pay will be based on your skills and experience — talk wit ...

Low Code Developer

A feature‑led low‑code engineering role within a small, multidisciplinary digital solutions team. The role sits at the intersection of technical delivery and stakeholder engagement, with full ownership of features across Dynamics 365 and the Microsoft Power Platform from discovery through to release. ...

Senior Systems Developer

Permanent, Full time, Hybrid Working (minimum of 2 days per week in the office) Location: This role can be based in any of our UK offices - Cardiff, Edinburgh, London, Warrington Salary: £45,732 per year for Cardiff, Edinburgh, Warrington. £50,614 per ...

Java Software Developer

Full Stack Engineers (Java | ReactJS | AngularJS) Hybrid Working: 1 day per week onsite in Cardiff (non-negotiable) Eligibility: SC Eligible candidates only Salary: £60,000 - £80,000 DOE We’re hiring 5 experienced Full Stack Engineers to joi ...

Lead Software Developer

Apply before 11:55 pm on Sunday 31st May 2026 Reference number: A (1) Civil Service Pension with an employer contribution of 28.97% Job grade: Grade 7 Level D Contract type: Permanent Business area: CPS - HQ Digital Information Directorate (DID) Type of role: Dig ...

Senior WordPress Developer

Location: Cardiff – Flexible Hybrid Working As a Senior WordPress Developer, you will support the team in their continued learning and development, through sharing experiences, presenting on topics, and mentoring specific skills. Alongside this, you will also be responsible for leading arch ...

Junior Software Developer

Successful candidates may be based in any of our office locations – Cardiff, Glasgow or London. We especially welcome applicants from Cardiff and Glasgow. Ofgem is working at the forefront of the fight to modernise and strengthen the UK’s energy systems, driving digital innovation that will help co ...

Senior Software Developer

Senior Software DeveloperLocation: Cardiff (Office-based, 5 days a week)Salary: £55,000 - £65,000 base (DOE) + up to £3,000 annual bonusStart Date: Immediate start available, but willing to wait for the right candidate. </p ...

Lead Developer C#

Description Job Title: Lead Developer (C#)Location: Home-basedSalary: Competitive (based on experience)Working Pattern: Full-time, Permanent About Us:PHOENIX Medical Supplies is a market-leading provider of healthcare and ...

Senior Software Developer

Senior Software DeveloperLocation: Cardiff (Office-based, 5 days a week)Salary: £55,000 - £65,000 base (DOE) + up to £3,000 annual bonusStart Date: Immediate start available, but willing to wait for the right candidate. </p ...

Lead Developer C#

Description Job Title: Lead Developer (C#)Location: Home-basedSalary: Competitive (based on experience)Working Pattern: Full-time, Permanent About Us:PHOENIX Medical Supplies is a market-leading provider of healthcare and ...

Financial Model Developer Manager

Permanent/Regular or Fixed Term Contract/Temporary: Permanent (UK and ROW) / Regular (US) L&G Business Unit: Legal & General Retirements Institutional L&G sub Business Unit: INSTITUTIONAL RETIREMENTS Primary Location: London, One Coleman Street Job Family: IT & ...

Financial Model Developer Manager

Legal & General (L&G) is a leading UK financial services group and major global investor. We’ve been safeguarding people’s financial futures since 1836, and strive to build a better society, while improving the lives of our customers and creating value for shareholders. We are one of the world’s largest as ...

Senior/Lead Umbraco Developer

We’re helping a Software House in Cardiff to scale up the team with a Senior Software Engineer to lead on Umbraco projects, this is a consultative role and requires regular communication with clients. About the company: They are an award‑winning fast‑growing company with a genuinely ...

.NET Developer in Cardiff

.NET Developer, .NET 10.0, C# 14 - Computer Gaming Company - Cardiff (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure, Angular 21, Vue.js, TypeScript, Multithreading, RESTful, ASP.NET Core Web API, EF Core 10.0, Programmer, Full Stack Engineer, Architect, .NET Developer) H ...

Junior Power Platform Developer

Main duties of the job Support a range of digital transformation programmes across Velindre University NHS Trust (VUNHST) using Microsoft Power Platform. This role has responsibility for providing input into the technical design of Microsoft Power Platform systems and services, ju ...

Senior/Lead Umbraco Developer

We’re helping a Software House in Cardiff to scale up the team with a Senior Software Engineer to lead on Umbraco projects, this is a consultative role and requires regular c ...

Senior/Lead Umbraco Developer

We’re helping a Software House in Cardiff to scale up the team with a Senior Software Engineer to lead on Umbraco projects, this is a consultative role and requires regular communi ...

Financial Model Developer Manager

Job DescriptionWe’re looking for a Financial Model Developer Manager to join our Product Engineering team and lead the development of business-critical financial modelling capabilities. This role sits at the intersection of technology, actuarial thinking and risk management, supporting modelling acr ...

Financial Model Developer Manager

Job DescriptionWe’re looking for a Financial Model Developer Manager to join our Product Engineering team and lead the development of business-critical financial modelling capabilities. This role sits at the intersection of technology, actuarial thinking and risk management, supporting modelling acr ...

Senior/Lead Umbraco Developer

We’re helping a Software House in Cardiff to scale up the team with a Senior Software Engineer to lead on Umbraco projects, this is a consultative role and requires regular communi ...

Senior/Lead Umbraco Developer

We’re helping a Software House in Cardiff to scale up the team with a Senior Software Engineer to lead on Umbraco projects, this is a consultative role and requires regular c ...

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    Javascript Developer Jobs in Cardiff Job Search Guide, Trends and Insights