Frontend Developer Jobs in Northern Ireland, United Kingdom

Mindrift's Tendem project connects specialists with innovative technology projects to help develop high-quality AI technologies. As a Freelance Frontend Developer, you will design, build, and refine landing pages, waitlist pages, promo pages, and small multi-page websites, turning client briefs into responsive, performant, conversion-focused web experiences.

PlayStation Global Commerce Platform team builds the backbone of PlayStation's global commerce experience, powering subscriptions, storefronts, and digital transactions. The Software Engineer, Frontend Development will design and implement responsive, accessible, and performant user interfaces using React, TypeScript, and modern web standards, while collaborating with designers, UX researchers, and backend engineers to deliver seamless player experiences.

Mindrift is seeking a Freelance Frontend Developer for the Tendem project to build high-quality landing pages and multi-page websites for real-world use cases. You will design, build, and refine conversion-focused web experiences using HTML/CSS/JavaScript and React/Next.js, turning client briefs into responsive, performant sites.

Wind Turbine Monitoring Team builds a next‑generation SaaS platform that uses AI to analyze sensor data from thousands of turbines. As a Frontend Engineer you will design and implement intuitive, data‑dense interfaces in Elm for expert users investigating turbine behavior, turning complex operational data into clear workflows.

A dynamic Frontend Engineer role at Gongio, focused on building intuitive, scalable SaaS applications. The position emphasizes ownership, collaboration with product and UX teams, and participation in architecture discussions.

Security & IT – IT team builds a SaaS platform that simplifies complex infrastructure workflows. As a Frontend Engineer you will design and develop modern React, TypeScript and GraphQL features, collaborate with designers, backend engineers and product managers, and own features from discovery through release.

Guardian team at Motorola Solutions builds the call taking and dispatching platform used by emergency services across the UK and Europe. As a Frontend Software Engineer you will develop and maintain React/TypeScript user interfaces, collaborate with product managers and test engineers in an agile, remote‑first environment, and ensure high‑quality code and modern development practices.

Senior Frontend Engineer at Firstup, building scalable, high‑performance React applications and a reusable component library that powers the world’s first intelligent communication platform. The role drives engineering excellence, AI‑assisted development, and cross‑functional collaboration with Product and Design to deliver accessible, engaging employee experiences.

Horizon Quantum Computing’s Frontend Engineering team builds the web interface for quantum programming tools. The role designs, implements, and maintains the UI, collaborating with scientists, product, and design to shape architecture and deliver features.

Frontend Engineering team builds high-quality web applications for a fast‑paced SaaS platform. The Senior Frontend Engineer designs, develops, and delivers responsive React interfaces, owns feature lifecycles from design handoff through testing and deployment, and mentors peers while leveraging AI‑assisted development tools.

Our partner company seeks a Senior Frontend Engineer to build and evolve its shared UI foundation, powering multiple products through component libraries, design tokens, and developer tooling. The role focuses on creating AI-friendly interfaces using React and TypeScript while ensuring accessibility and driving adoption across engineering teams.

AI & Data Platforms team at Apple builds high‑performance data applications that deliver business‑critical metrics and insights with minimal latency and exceptional user experience. The Software Engineer will design, develop, and own end‑to‑end data apps, integrating analytics and Generative AI features while collaborating with business partners and development teams.

Development Planning team at WSP delivers transport planning, civil infrastructure and urban design for development and master‑planning projects across Scotland and the UK. The Technical Director leads client‑facing activities, drives business growth, shapes market strategy and provides technical leadership, while overseeing large multidisciplinary tender proposals and acting as Project Director on major commissions. Based in Edinburgh with hybrid working (two days remote per week) and occasiona

Product Management team at CSC drives AI-powered digital solutions across Ireland, the UK and the Netherlands. The Senior Manager defines product vision, owns the backlog and partners with data scientists, engineers and stakeholders to deliver responsible agentic AI capabilities.

Software Engineering & Development, Charles River Development, Assistant Vice President

Charles River Development’s OTC Team builds a modern, cloud‑native Enhanced OTC Module to support financial services clients. The Senior Full‑Stack Cloud Native Developer designs, develops, and tests Java and React components on Azure, while mentoring peers and driving architectural excellence.

Product Development Tools organization at Workday builds tooling that powers thousands of engineers, creating frictionless experiences for the development community. As a Senior Software Development Engineer you will design and ship microservices, APIs and CI/CD automation that enhance the development lifecycle, mentor engineers and drive high‑quality, scalable solutions.

The Aurora Control Plane Developer Experience team within AWS Utility Computing builds and manages essential service components, APIs, and workflows to orchestrate and secure Amazon Aurora's distributed database infrastructure. As a Software Development Engineer II, you will design, develop, and own significant system software components critical to industry-leading cloud database services while mentoring other engineers.

Clio is the global leader in legal AI technology, empowering legal professionals and law firms of every size to work smarter, faster, and more securely. We are transforming the legal experience for all by bettering the lives of legal professionals while increasing access to justice.

G Mass is driving a large-scale multi-cloud transformation and needs a Salesforce Developer to build robust, scalable solutions. The role designs and delivers Apex, LWC, Visualforce, and Flow customizations, integrates via REST APIs and middleware, and collaborates with product owners, analysts, QA, and data teams in an Agile environment.