UI Developer jobs in Northern Ireland

UI Engineer - React | TypeScript | Next.js | Figma Build clean, scalable UIs for world-class trading software Own the front-end architecture in a modern React ecosystem Hybrid, high-trust team building complex UI flows from scratch The Role An award-winning trading and data infrastructure company is hiring a UI Engineer in Belfast. You'll design, build, and test highly performant front-ends...

Frontend Developer - React / TypeScript About the Role We're partnered with a well-established SaaS company delivering innovative Business solutions to customers across the UK, Ireland and beyond. The team has built a reputation for exceptional customer service, technical excellence, and a genuine commitment to work-life balance. They're now looking for a Frontend Developer (React) to join their...

Web Developer Location: Remote Role Overview Our clients are seeking an experienced Web Developer to build, maintain, and enhance their web-based platforms. The role involves working closely with internal teams and third-party partners to deliver robust, scalable solutions that support MTS’s growing digital and e-commerce footprint. Key Responsibilities - Collaborate with technical and...

About us Founded in 2008, CitNOW is an innovative, enterprise-level software product suite that allows automotive dealerships globally to sell more vehicles and parts more profitably. CitNOW’s app-based platform provides a secure, brand-compliant solution – for dealers to build trust, transparency and long-lasting relationships. CitNOW Group was formed in 2021 to unite a portfolio of 12 global...

Software Developer (Web & Internal Tools) Remote-first | UK-based up to £50,000 PA Dependent on experience We’re supporting a well established UK adventure business that has recently brought its website development in-house and is now modernising internal systems and tooling. This is a hands on role in a small, trusted tech team, working across a customer facing web platform and the internal...

Frontend Software Engineer (React) – Fully Remote (UK) 💷 Up to £85,000 + Benefits 🌍 Fully Remote (UK) 🚀 High growth company – Great Future prospects Build modern user experiences for data driven technology used at scale A fantastic opportunity to join a growing international technology business building next generation software that automates and streamlines complex data workflows. The...

MCS Group is looking for a highly experienced Principal React Developer to lead the design and delivery of modern, scalable front-end applications. This is a hands-on role where you'll shape architecture, set best practice, and mentor engineers within a collaborative product-focused team. This is a key hire for this development team, and will be a position of technical influence within the...

You will collaborate closely with developers, product managers, and other stakeholders to translate user insights and business requirements into functional, elegant interfaces that enhance usability and customer satisfaction. Key Responsibilities

You will be responsible for the end-to-end delivery of scalable, secure solutions-from intuitive React frontends to robust backend APIs.

You will work in an Agile environment, leveraging CI/CD and containerization to ship high-quality code.

Reports to: Technology Director / Executive Sponsor Location: Remote with occasional travel to London (2 times a month) Contract: Full-time, permanent Base Salary: £70,000 – £80,000 location and experience dependent + 10% company bonus scheme and sales commission scheme Why This Role Exists Serve Legal is entering a new chapter: evolving beyond compliance auditing into AI enabled,...

D365 Architect | Contract | Fully remote (UK-wide) We are seeking a highly experienced and versatile Dynamics 365 CE Solution Architect to lead the design and implementation of an enterprise-level CRM transformation. This is a unique "hybrid" architect role; while you will be the technical lead for architectural decisions and stakeholder management, you must be a hands-on practitioner willing to...

You will solve puzzles that require technical ingenuity, commercial awareness, and a deep sense of responsibility toward the patients and healthcare outcomes we support.

You will learn from more experienced team members and take the time to share your knowledge both with your team and with others.

MCS Group is seeking a Software Test Engineer to join one of their closest clients, a fast-growing Insurtech firm. With huge investment onboard in 2025, this firm's technology function is planning to scale by over 50% in the first half of 2026 and this will include it's quality assurance division scaling. An exclusive role to MCS Group, the Software Tester will champion quality across their...

You will shape cloud architecture, modernise legacy platforms, and enable high performing, multi disciplinary teams to deliver long term, sustainable improvements across performance, reliability, and developer experience.

You will play a key role in influencing product direction, setting engineering standards, and guiding the evolution of core platforms.

You will own frontend architecture, build scalable component libraries, and shape modern UI engineering practices within a growing, product led organisation. The role is remote first, offering flexibility while maintaining strong collaboration across product, UX, and engineering teams.

You will lead the evolution of a large scale React codebase used across multiple product lines.

You will be a quality advocate and will drive automation-first practices, with a strong focus on API testing. Working closely with developers and product owners, you will ensure high-quality, reliable software is delivered each sprint. This is a hands-on role with significant autonomy, where you will shape testing strategy, mentor others, and contribute to building robust automation frameworks.

QA Automation Engineer - Hybrid Company Overview We're working with a growing technology team who are building high-performance, user-focused products. They're now seeking a QA Engineer to strengthen test coverage, drive quality standards, and ensure reliable software delivery across both frontend and backend systems. This is a great opportunity for someone who is passionate about automated...

Senior Quality Assurance Engineer Location: UK-based (hybrid/flexible) Eligibility: UK work authorisation required (no sponsorship available) We're looking for a Senior QA Engineer to join a global tech team building high-performance platforms used across financial markets. You'll be the go-to person for driving automation and quality-first practices, working side-by-side with developers, product...

FrontEnd Engineer - Hybrid (Belfast) About the Company: My client is a global leader in market infrastructure, driving innovation through data solutions and digital transformation. Operating at scale and trusted worldwide, they are redefining how modern systems power global markets. Role Overview: My client is seeking a FrontEnd Engineer with strong experience in building modern, cloud-native...

You will work on large scale platforms used daily across physical and digital environments, partnering closely with product, backend, and design leaders to shape long term frontend strategy.

You will remain hands on while providing architectural leadership, mentoring senior engineers, and ensuring high quality, scalable UI solutions are delivered consistently.