101 to 125 of 256 Front-End Engineer (Client-Side Engineer) Jobs in the UK

Frontend Engineer - IoT Platform Prototyping

Location
Cambridge, England, United Kingdom
cThings Limited in Cambridge is seeking a mid-level frontend developer to turn product and design concepts into polished user interfaces for IoT platforms and services. You will design scalable web apps, collaborate with clients ...

Product-Driven Frontend Engineer with UI/UX Focus

Location
Greater London, England, United Kingdom
Tnexxglobal is seeking a Product Designer to help shape user interfaces from discovery through delivery. You will collaborate with BAs, product managers and tech teams to lead the Product Design process and ensure designs translate ...

Lead Software Engineer - (Frontend, Backend, Full Stack)

Location
Manchester, England, United Kingdom
Role Lead Software Engineer Location Manchester (must be willing to travel to client sites throughout the UK on an ad hoc basis) Salary Competitive salary and package (Depending on level of experience). In addition to a competitive basic salary, you will also have ...

Senior Frontend Engineer, Observability

Location
United Kingdom
NetBox Labs is hiring a Senior Frontend Engineer to build the real-time monitoring and telemetry dashboards at the heart of our Observability products. This is a frontend-focused role for someone who loves React, thinks in data visualization, and works AI-first. About NetBox Labs ...

Frontend Software Engineer

Location
Greater London, England, United Kingdom
About Us About the Role We are looking for a Frontend Engineer to join our interface team and help shape the future of Scenario Builder. This is an opportunity to work on a modern, greenfield frontend codebase built from the ground up using React, TypeScript … interactive visualisations. Understanding of frontend performance principles, including profiling, reducing unnecessary renders, and working efficiently with large datasets. Experience working with client-side data management patterns, including caching, synchronisation, invalidation, and optimistic updates (for example, TanStack Query or similar). Experience writing and maintaining frontend tests ...

Front End Software Engineer - ACE

Location
City Of London, England, United Kingdom
Frontend Software Engineer – ACE The Company OctaiPipe is on a mission to revolutionise the optimisation of energy in data centres through decentralised artificial intelligence (AI). To do this, OctaiPipe is harnessing an elegant but revolutionary idea. Rather than move the data from the source, move … application to be deployed using its own in-house distributed AI platform. The Role We are looking for a Frontend Software Engineer to join the ACE team and help build the user-facing applications at the heart of our flagship AI for Cooling Efficiency product. ...

Senior Front-End Engineer for Azure Cloud Web Apps

Location
Newport, Wales, United Kingdom
Starrycare Recruitment Services is seeking a Senior Front-End Developer in Newport, United Kingdom. You will design, develop, test, and maintain enterprise-grade cloud applications within an Agile team, focusing on scalable, secure, user-friendly interfaces. You will work with RESTful APIs, collaborate with ...

Senior Front-End Engineer - React & UI/UX Leader

Location
Bexhill-on-Sea, England, United Kingdom
Hastings Direct is looking for a Senior Digital Engineer to work across the software development lifecycle in agile teams. The role includes providing technical leadership, designing and building software systems, and mentoring junior members. Ideal candidates will have strong expertise in JavaScript and ReactJS, with ...

Senior Frontend Engineer, Marketing Website London

Location
Greater London, England, United Kingdom
Perkins, GV, and Evantic Capital, alongside the founders and operators of Stripe, Datadog, Miro, and Webflow. The Role As a Senior Frontend Engineer on our Website team, you'll be a co-owner of the platform behind synthesia.io: the component library, content model and rendering stack … schema versus at runtime, and how to stop a section library sprawling. GROQ and Portable Text are familiar territory. Deep front-end expertise: expert HTML, CSS and TypeScript, with a strong command of component API design and the developer experience of a shared library. ...

Senior Frontend Engineer (JavaScript & Vue.js)

Location
City of Edinburgh, Scotland, United Kingdom
areas of focus will be enhancing product scalability and usability, helping consistently deliver features that support our customers' success. As a senior engineer, you will work collaboratively with the rest of our cross-functional team to plan and deliver new features and enhancements. You will take … with) the Professional Services industry Whatyou’llget Starting salary between £50,000and £60,000, depending on experience Earning potential in the Software Engineer salary band up to£63,650 At least £1,000 per year to spend on professional and personal development 33 days' holiday ...

Senior Frontend Engineer

Location
Greater London, England, United Kingdom
Clearance (SC) and willing to work on site with these clients from time to time. About the role As a Senior Frontend Engineer at Faculty, you will partner with cross-functional delivery teams in to transform cutting-edge AI and data science models into intuitive, impactful ...

Senior Front-End Engineer: React & TypeScript

Location
Greater London, England, United Kingdom
Insightful Technology in London on-site is looking for an experienced Front-end Developer to design and build intuitive, responsive web applications using React and TypeScript. You will own frontend features from initial requirements and design through testing, deployment and ongoing improvement, collaborating with product, design ...

Senior Front End D3 Javascript Software Engineer - Holborn

Location
Camden Town, England, United Kingdom
Senior Front End D3 Javascript Software Engineer - Holborn Our Client wants to recruit a Senior Front End Software Developer with at least 7 to 10 years expertise of working with D3 React and Javascript. You will … JavaScript object model Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Familiarity with code ...

Remote Front-End Engineer (Contract) - React + Data Viz

Location
United Kingdom
disclosed satellite manufacturer is seeking a Front-End Application Engineer … develop 2-3 applications for web and desktop, focusing on data visualisation, tooling, and intuitive UIs. The role requires leading detailed front-end implementation while benefiting from architectural guidance. You will work on data-rich interfaces, integrate with backend services, and contribute to CI/ ...

Frontend Software Engineer

Location
United Kingdom
Frontend Software Engineer Location: UK, remote with occasional travel In the words of one of our senior clients recently... “Market Research has changed more in the past 3 years, than in the previous 40” About System1. System1 is The Creative Effectiveness Platform. Our target customers … about us, please visit System1 Group | Create with Confidence About The Role We are looking for a talented and ambitious Frontend Software Engineer to join the empowered product team building System1’s next-generation AI platform. As our first frontend engineer ...

Senior Frontend Engineer - Studio: Scale, UX & Architecture

Location
Greater London, England, United Kingdom
Clear Street is seeking a Senior Software Engineer (Front-End) to help build the Studio experience. You will lead the design and delivery of complex, user-facing features, drive system-design for front-end services, and set engineering … design and back-end leads, and ensure reliability and high SLA. Strong React and TypeScript experience, plus familiarity with modern front-end tech stacks, is essential. #J-18808-Ljbffr ...

Senior Front-End Engineer: React/TypeScript & AI UI | Equity

Location
Belfast City District, Northern Ireland, United Kingdom
End Engineer for a growing software company in Belfast. You’ll build modern, scalable front-end applications using React and TypeScript, with AI-driven UI components contributing to your work. You will collaborate with backend, product … engineers to shape new features while ensuring performance, reliability, and maintainability across the front-end stack. #J-18808-Ljbffr ...

Hybrid Frontend Engineer, In-Play — Real-Time UI

Location
Manchester, England, United Kingdom
bet365 is seeking a Frontend Software Developer in the In-Play team to deliver responsive, scalable UI and low-latency client features for live sports on a high-volume platform. The role involves ...

Front-End Design Engineer

Location
West of England, England, United Kingdom
About the job As a Front-End Design Engineer at Nordic Semiconductor, you will play an important role in developing the next generation of cutting-edge Wi‐Fi SoCs that power connected devices around the world. You will be working on digital … challenges, enjoys technical ownership, and is eager to make a tangible impact on products used by millions of people worldwide. Key Responsibilities Front-end design and development of digital ICs for Wi‐Fi SoCs, from requirements and architecture through RTL implementation and tape‐out. Design, integrate ...

Senior Frontend Engineer (Web & App)

Location
Maidstone, England, United Kingdom
ambitious brands grow faster, smarter, and globally. The Role Our Rewards Tech team is growing! We're looking for a Senior Frontend Engineer to join our team in Maidstone. In this role you will own the frontend across our Cashback and Custard apps and websites, shipping … stack where it counts, partnering with our backend developers on the Python services behind the apps About You A strong senior frontend engineer, production-grade with React and TypeScript on the web Hands-on experience building and shipping mobile apps, ideally React Native across ...

Front End Engineer

Hiring Organisation
Teksystems
Location
Yorkshire, United Kingdom
Employment Type
Temporary Contract, Hybrid
Salary
Competitive
Full Stack Engineer Hybrid - MUST BE ABLE TO DO 3 DAYS ONSITE IN SHEFFIELD, UK Job Description This role offers the opportunity to provide technical leadership across modern web and platform engineering, with a particular focus on building high-quality, typed, and accessible front ...

React Developer – Frontend Engineer (Trading applications)

Location
Greater London, England, United Kingdom
React Developer - Frontend Engineer (Trading applications) You are here: Home/Job Search/React Developer - Frontend Engineer (Trading applications) Job Title: React Developer - Frontend Engineer (Trading applications) Location: London AMS is the world's leading provider ...

Senior Front-End Engineer (React/Next.js) & Mentoring

Location
Wrexham, Wales, United Kingdom
Gap Personnel Limited is seeking a Senior Web Developer in Wrexham to lead frontend initiatives and own user‐facing applications. This hands‐on role delivers high‐quality UI across multiple platforms in a fast‐paced ...

Senior Software Engineer II (Frontend) - Search Core London, UK

Location
Greater London, England, United Kingdom
Senior Software Engineer II (Frontend) - Search Core London, UK Our vision is to give everyone the belief they can make their move. We aim to make moving simpler,by giving everyone the best place to turn to and return to for access to the tools, expertise … Rightmove, millions of people use our products at some of the most important moments in their lives. As a Senior Software Engineer II, you’ll play a key role in building the tools, systems and experiences that help keep the UK's favourite property platform moving ...

Quality Engineer - Front Ends (12 month FTC)

Location
City Of London, England, United Kingdom
latest technologies and heavily invest in AI, constantly optimizing our workflows without compromising on quality. Your role as a quality engineer is to collaborate closely with developers, product owners, DevOps and other departments to build high quality, client-centric products. You are the person ...