126 to 150 of 174 Front End Web Developer (Client-Side Developer) Jobs

Senior Frontend Developer Up to £80,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to join a high performing squad of engineers building a unique SAAS platform which is radically streamlining … an existing complex process. You'd join as a Senior Frontend Developer and make a real impact on user facing features from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will … social impact and grow with the company This is an exciting opportunity to work on impactful projects in a forward-thinking environment. If you are passionate about front-end development, we’d love to hear from you More ❯

Senior Frontend Developer Up to £80,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to join a high performing squad of engineers building a unique SAAS platform which is radically streamlining … an existing complex process. You'd join as a Senior Frontend Developer and make a real impact on user facing features from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will … social impact and grow with the company This is an exciting opportunity to work on impactful projects in a forward-thinking environment. If you are passionate about front-end development, we’d love to hear from you More ❯

Senior Frontend Developer Up to £80,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to join a high performing squad of engineers building a unique SAAS platform which is radically streamlining … an existing complex process. You'd join as a Senior Frontend Developer and make a real impact on user facing features from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will … social impact and grow with the company This is an exciting opportunity to work on impactful projects in a forward-thinking environment. If you are passionate about front-end development, we’d love to hear from you More ❯

Senior Frontend Developer Up to £80,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to join a high performing squad of engineers building a unique SAAS platform which is radically streamlining … an existing complex process. You'd join as a Senior Frontend Developer and make a real impact on user facing features from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will … social impact and grow with the company This is an exciting opportunity to work on impactful projects in a forward-thinking environment. If you are passionate about front-end development, we’d love to hear from you More ❯

Senior Front End Engineer – AI x Metaverse - React London | £80–90k | Onsite 3 days/week 6 years + commercial experience. An early-stage, fast-growing SaaS company is scaling its engineering team in London. Their platform provides real-time insights and performance metrics across virtual environments, and they’re already working More ❯

Senior Front End Engineer – AI x Metaverse - React London | £80–90k | Onsite 3 days/week 6 years + commercial experience. An early-stage, fast-growing SaaS company is scaling its engineering team in London. Their platform provides real-time insights and performance metrics across virtual environments, and they’re already working More ❯

Senior Front End Engineer – AI x Metaverse - React London | £80–90k | Onsite 3 days/week 6 years + commercial experience. An early-stage, fast-growing SaaS company is scaling its engineering team in London. Their platform provides real-time insights and performance metrics across virtual environments, and they’re already working More ❯

Senior Front End Engineer – AI x Metaverse - React London | £80–90k | Onsite 3 days/week 6 years + commercial experience. An early-stage, fast-growing SaaS company is scaling its engineering team in London. Their platform provides real-time insights and performance metrics across virtual environments, and they’re already working More ❯

Senior Front End Engineer – AI x Metaverse - React London | £80–90k | Onsite 3 days/week 6 years + commercial experience. An early-stage, fast-growing SaaS company is scaling its engineering team in London. Their platform provides real-time insights and performance metrics across virtual environments, and they’re already working More ❯

Frontend Developer - React.js - Warwickshire - PermanentHybrid working - Warwickshire Salary - £55,000 - £65,000 per annumFrontend Developer required for a leading client based in Warwickshire. You will come on board to focus on the design and development of scalable UI interfaces relating … skills & responsibilities: Skilled in designing and building responsive, high-performance applications using React.js, JavaScript (ES6+), HTML5, and CSS3. Experienced in integrating RESTful APIs and collaborating with back-end teams to ensure seamless data flow. Proficient in creating reusable, modular components with scalable and maintainable code architecture. Strong focus on performance, accessibility (WCAG), and user experience, leveraging … participating in design reviews, sprint planning, and code quality initiatives. Strong problem-solving and collaboration skills, with an interest in applying emerging technologies-including AI-to enhance front-end solutions. Interested? Please submit your updated CV to at Emma Siwicki for immediate consideration.Not interested? Do you know someone who might be a More ❯

Frontend Developer - React.js - Warwickshire - Permanent Hybrid working - Warwickshire Salary - £55,000 - £65,000 per annum Frontend Developer required for a leading client based in Warwickshire. You will come on board to focus on the design and development of scalable UI … skills & responsibilities: Skilled in designing and building responsive, high-performance applications using React.js, JavaScript (ES6+), HTML5, and CSS3. Experienced in integrating RESTful APIs and collaborating with back-end teams to ensure seamless data flow. Proficient in creating reusable, modular components with scalable and maintainable code architecture. Strong focus on performance, accessibility (WCAG), and user experience, leveraging … participating in design reviews, sprint planning, and code quality initiatives. Strong problem-solving and collaboration skills, with an interest in applying emerging technologies-including AI-to enhance front-end solutions. Interested? Please submit your updated CV to at Emma Siwicki for immediate consideration. Not interested? Do you know someone who might be More ❯

Senior Engineer/Frontend Engineer/Frontend Developer/React/Typescript/ELM/AI Senior Frontend developer - AI Startup (London, Hybrid) Location: London (Hybrid - 2x per week in office) Experience: 3-6 years Package: 80-150k + equity Tech: React, Typescript … influential in supporting the Design team as they look to grow from 0 to 1 and beyond. The Frontend Environment is ELM and WebGL and the back end is predominantly Python with some Rust. They are running on AWS. This is nectar for Engineers who have both a passion for Front End … class engineers and ML researchers. Hybrid model - 2x a week in our London office. Competitive salary + equity. Senior Engineer/Frontend Engineer/Frontend Developer/React/Typescript/ELM/AI More ❯

Senior Engineer/Frontend Engineer/Frontend Developer/React/Typescript/ELM/AI Senior Frontend developer - AI Startup (London, Hybrid) Location: London (Hybrid - 2x per week in office) Experience: 3-6 years Package: 80-150k + equity Tech: React, Typescript … influential in supporting the Design team as they look to grow from 0 to 1 and beyond. The Frontend Environment is ELM and WebGL and the back end is predominantly Python with some Rust. They are running on AWS. This is nectar for Engineers who have both a passion for Front End … class engineers and ML researchers. Hybrid model - 2x a week in our London office. Competitive salary + equity. Senior Engineer/Frontend Engineer/Frontend Developer/React/Typescript/ELM/AI More ❯

to make data-driven decisions that directly contribute to preserving and protecting our planet's precious ecosystems. The Role We're seeking a creative and technically skilled Web Developer & Digital Content Manager to help shape our digital presence and communicate our mission to the world. This hybrid role … combines web development, UI design and content management to help us showcase our innovative geospatial and environmental technology solutions. Key Responsibilities Design and develop responsive web applications using React Build and maintain WordPress sites, including custom themes and plugins Create intuitive UI designs that reflect our brand and enhance user experience Manage … and optimise digital content across our web platforms Collaborate with our technical and scientific teams to translate complex geospatial data solutions into engaging digital content Maintain and update existing digital assets Skills & Experience Proficiency in React and modern JavaScript frameworks WordPress development experience UI/UX design capabilities Experience with version control (Git) Good written communication More ❯

technology in high-trust domains. Security Clearance This role requires UKIC DV clearance. Candidates must already hold this level of clearance. Responsibilities Design and develop responsive, modular front-end applications using Vue.js, React, JavaScript, HTML, and CSS Collaborate with cross-functional teams including product managers, backend engineers, and QA to deliver high More ❯

technology in high-trust domains. Security Clearance This role requires UKIC DV clearance. Candidates must already hold this level of clearance. Responsibilities Design and develop responsive, modular front-end applications using Vue.js, React, JavaScript, HTML, and CSS Collaborate with cross-functional teams including product managers, backend engineers, and QA to deliver high More ❯

I am currently working with a London-based financial services client who are actively seeking multiple Frontend Developers for a brand-new business-critical project. What you'll need to succeed Extensive React/Typescript development More ❯

they're looking for a frontend developer. The role is paying up to £45,000 and is 5 days a week in the office. Essential: Client-side Javascript/Typescript Modern React Development (Hooks, Context, React Query) Unit & Component testing using React Testing Library Advanced version control using Git. Working with third … Performance optimisation experience (code-splitting, caching, load testing) Well-versed in implementing good practice with regards to accessibility (Keyboard support, screen readers, form usability) Knowledge of various front-end architectural patterns E2E Testing experience (Cypress/Playwright) Experience with Observability as a practice (logging, GA tagging, TrackJS, App Insights) If you would More ❯

they're looking for a frontend developer. The role is paying up to £35,000 and is 5 days a week in the office. Essential: Client-side Javascript/Typescript Modern React Development (Hooks, Context, React Query) Unit & Component testing using React Testing Library Advanced version control using Git. Working with third … Performance optimisation experience (code-splitting, caching, load testing) Well-versed in implementing good practice with regards to accessibility (Keyboard support, screen readers, form usability) Knowledge of various front-end architectural patterns E2E Testing experience (Cypress/Playwright) Experience with Observability as a practice (logging, GA tagging, TrackJS, App Insights) If you would More ❯

they're looking for a frontend developer. The role is paying up to £45,000 and is 5 days a week in the office. Essential: Client-side Javascript/Typescript Modern React Development (Hooks, Context, React Query) Unit & Component testing using React Testing Library Advanced version control using Git. Working with third … Performance optimisation experience (code-splitting, caching, load testing) Well-versed in implementing good practice with regards to accessibility (Keyboard support, screen readers, form usability) Knowledge of various front-end architectural patterns E2E Testing experience (Cypress/Playwright) Experience with Observability as a practice (logging, GA tagging, TrackJS, App Insights) If you would More ❯

they're looking for a frontend developer. The role is paying up to £35,000 and is 5 days a week in the office. Essential: Client-side Javascript/Typescript Modern React Development (Hooks, Context, React Query) Unit & Component testing using React Testing Library Advanced version control using Git. Working with third … Performance optimisation experience (code-splitting, caching, load testing) Well-versed in implementing good practice with regards to accessibility (Keyboard support, screen readers, form usability) Knowledge of various front-end architectural patterns E2E Testing experience (Cypress/Playwright) Experience with Observability as a practice (logging, GA tagging, TrackJS, App Insights) If you would More ❯

Role: Senior Frontend Engineer - React & TypeScript Location: Remote Salary: Up to £100,000 I'm recruiting on behalf of a client based in Warrington, who are looking to bring a Senior Frontend Engineer into their engineering More ❯

frontend engineer to help us take it to the next level. Key responsibilities will include the maintenance and development of our Shopify Self Service App, and our web based widget used by all our clients. If you like writing efficient code, releasing early and often, having a direct impact on a consumer product, you have come … Developer, you'll also need a good HTML markup and CSS/SCSS skills for designing semantic and responsive web applications. The work will be fast-paced, the demands will be challenging, and you'll need to know a lot about your area of expertise. You will be … capabilities is crucial. Requirements We're looking for developers with: Proficient English communication skills (written and spoken) At least 4 years of experience with React.js and modern web development technologies (HTML5, CSS3, JavaScript, TypeScript) Minimum 2 years of experience with Shopify Development Strong understanding of Shopify architecture, including themes, apps, and APIs Experience with Shopify App More ❯

Frontend Developer - React, TypeScript & Next.js - Marketing Agency exp - Up to £500/day (Outside IR35) - remote (UK based) - 3 month contract We're looking for a skilled Frontend Developer to join a global, research-driven tech company building next-generation blockchain and decentralized systems. … help create user interfaces for products that power real-world applications - from digital identity to financial platforms. What you'll do: Build and maintain responsive, high-quality web apps. Work with designers and backend teams to deliver polished, user-friendly interfaces. Integrate with APIs, smart contracts, and decentralized systems. Write clean, testable, and scalable code in … to UI performance, design systems, and open-source tools. What we're looking for: 5+ years' frontend experience (JavaScript/TypeScript/React). Strong understanding of web fundamentals (HTML, CSS, accessibility, performance). Experience connecting frontends to APIs or blockchain/Web3 systems. Great communication and collaboration skills in a remote setup. Nice to have More ❯

close collaboration to build both a great product and a great team. Role Overview As a Senior Frontend Engineer, you will develop and maintain user-friendly, responsive web applications. You’ll work closely with product managers, designers, and developers to implement innovative solutions that enhance user experience. This role suits someone with strong JavaScript/TypeScript More ❯