22 of 22 Front-End Engineer (Client-Side Engineer) Jobs in England

We’re looking for a Front-End Engineer to join our team of energy visionaries working to democratise energy and make electricity cleaner, more affordable and more reliable. You will help build and evolve our Front-End capabilities, including our Portal application, our primary user interface for configuring … You will play a key role in delivering intuitive, performant, and visually engaging web experiences for users accessing our core services. This role is ideal for a Front-End Engineer who cares about democratising energy, helping to decarbonise the electricity grid and wants to work in a fast-paced, supportive environment. We … experience could contribute to our team, (even if you think you don’t precisely fit the requirements below). Essential Requirements 3+ years of commercial experience in front-end development, ideally building complex web applications. Proficiency in JavaScript/TypeScript, React, HTML5, and CSS3. Understanding of responsive and mobile-first design principles. Strong attention to detail More ❯

Experience with NextJS is essential. Experience with WebGL whilst not essential, would be preferred. You will sit inside a cross-cutting technical pod, supported by dedicated UI/UX, PMO and DevOps roles. Key Responsibilities Software Development: A keen eye More ❯

prototype, iterate, and deploy solutions that meet the highest standards of performance, security, and compliance in a regulated financial setting. Accountabilities & Responsibilities Design and develop modern, responsive front-end applications from the ground up using React, TypeScript, and Next.js. Build secure, performant user interfaces that integrate with LLM APIs (e.g., Gemini, Azure OpenAI) and internal systems. … Implement advanced front-end security features including token handling, session management, data masking, and audit logging. Translate UX/UI designs into modular, reusable components aligned with enterprise design systems. Integrate front-end applications with REST/GraphQL APIs, WebSockets, and backend services. Collaborate with AI engineers, backend developers, and cloud architects … pipelines hardened for security and compliance. Participate in code reviews, technical design discussions, and architecture planning sessions. Required Knowledge, Skills & Experience Proven experience building secure, production-grade front-end applications in regulated environments (e.g., finance, healthcare, government). Strong proficiency in modern JavaScript/TypeScript frameworks (React, Next.js) and responsive UI development. Demonstrated ability to build More ❯

prototype, iterate, and deploy solutions that meet the highest standards of performance, security, and compliance in a regulated financial setting. Accountabilities & Responsibilities Design and develop modern, responsive front-end applications from the ground up using React, TypeScript, and Next.js. Build secure, performant user interfaces that integrate with LLM APIs (e.g., Gemini, Azure OpenAI) and internal systems. … Implement advanced front-end security features including token handling, session management, data masking, and audit logging. Translate UX/UI designs into modular, reusable components aligned with enterprise design systems. Integrate front-end applications with REST/GraphQL APIs, WebSockets, and backend services. Collaborate with AI engineers, backend developers, and cloud architects … pipelines hardened for security and compliance. Participate in code reviews, technical design discussions, and architecture planning sessions. Required Knowledge, Skills & Experience Proven experience building secure, production-grade front-end applications in regulated environments (e.g., finance, healthcare, government). Strong proficiency in modern JavaScript/TypeScript frameworks (React, Next.js) and responsive UI development. Demonstrated ability to build More ❯

iterate, and deploy solutions that adhere to the highest standards of performance, security, and compliance in a regulated financial setting. Key Responsibilities: Design and develop modern, responsive front-end applications from the ground up using React, TypeScript, and Next.js. Build secure, performant user interfaces that integrate with LLM APIs (e.g., Gemini, Azure OpenAI) and internal systems. … Implement advanced front-end security features, including token handling, session management, data masking, and audit logging. Translate UX/UI designs into modular, reusable components aligned with enterprise design systems. Integrate front-end applications with REST/GraphQL APIs, WebSockets, and backend services. Collaborate closely with AI engineers, backend developers, and cloud … CD pipelines hardened for security and compliance. Participate in code reviews, technical design discussions, and architecture planning sessions. Required Skills & Experience: Proven experience building secure, production-grade front-end applications in regulated environments (e.g., finance, healthcare, government). Strong proficiency in modern JavaScript/TypeScript frameworks (React, Next.js) and responsive UI development. Demonstrated ability to build More ❯

Frontend Engineer (React) – Newcastle – Hybrid or Remote. I’m currently hiring for a Frontend Developer who’s passionate about crafting seamless, intuitive user experiences to join high-growth SaaS company that … s transforming how organisations engage their people. Backed by significant investment and trusted by major UK brands, they’re scaling fast -and they’re looking for a Front-End Engineer to help shape the future of their platform. What’s on offer: Build elegant, high-performance interfaces using React and modern web More ❯

interactions. Apply CI/CD and DevOps best practices to streamline build, test, and deployment processes. (Good to Have) Apply AI principles and integrate AI agents into front-end applications where applicable. Required Skills Proven experience as a front-end developer or similar role. Strong understanding of SEO best practices for front More ❯

Are you a Front-End specialist? Experienced in enterprise-level cloud-based SaaS solutions? Could you add value to an existing team of highly-skilled developers? Are you ready to make your mark on future-proofed software? We are Preservica, and our active digital preservation solutions are at the razors edge of commercial software solutions, addressing … an Agile Scrum to build high-quality and fully performing software across our cloud-based SaaS product range of Digital Preservation software. As Senior Front End Engineer, youll work on: Writing well-designed, testable, maintainable, and efficient code Ensuring the technical feasibility of UI/UX designs Integrating software components into a …/system-related subject or equivalent through relevant training and/or experience Familiarity with Agile development practices, including Continuous Integration 5+ years' experience in enterprise-level front-end web development The ability to take a lead role within the dev team Proficient understanding of semantic mark-up, including HTML5 & CSS3 (comfortable with CSS animations and More ❯

Are you a Front-End specialist? Experienced in enterprise-level cloud-based SaaS solutions? Could you add value to an existing team of highly-skilled developers? Are you ready to make your mark on future-proofed software? We are Preservica, and our active digital preservation solutions are at the razor’s edge of commercial software solutions … an Agile Scrum to build high-quality and fully performing software across our cloud-based SaaS product range of Digital Preservation software. As Senior Front End Engineer, you’ll work on: Writing well-designed, testable, maintainable, and efficient code Ensuring the technical feasibility of UI/UX designs Integrating software components into …/system-related subject or equivalent through relevant training and/or experience Familiarity with Agile development practices, including Continuous Integration 5+ years' experience in enterprise-level front-end web development The ability to take a lead role within the dev team Proficient understanding of semantic mark-up, including HTML5 & CSS3 (comfortable with CSS animations and More ❯

Front End React Engineer (TypeScript, API's, some C#/Angular)Gatwick (1 day per week in office).£45000 - £60000 + Package This role cannot offer Visa Sponsorship for applicants. Your new company I am engaged on a project to recruit a React Front End Developer to More ❯

Front End Software Engineer Financial Services Location: Birmingham, West Midlands (Hybrid/WFH options available) Salary: Up to £80,000 per annum Job Type: Full-time; Plus lots of benefits. Join the technology team of a leading UK financial institution a trusted provider in banking, mortgage servicing , and building society operations . … teams with Product Owners and QA Engineers Enhance UI/UX across customer-facing financial platforms Embed quality via test frameworks including Cucumber and Allure Deliver seamless front-end functionality for mortgage and banking clients What Youll Bring: Commercial experience in Angular , JavaScript , and TypeScript Experience working in financial services , mortgage lending , or banking environments Familiarity More ❯

Front End Software Engineer Financial Services Location: Birmingham, West Midlands (Hybrid/WFH options available) Salary: Up to £80,000 per annum Job Type: Full-time; Plus lots of benefits. Join the technology team of a leading UK financial institution a trusted provider in banking, mortgage servicing , and building society operations . … teams with Product Owners and QA Engineers Enhance UI/UX across customer-facing financial platforms Embed quality via test frameworks including Cucumber and Allure Deliver seamless front-end functionality for mortgage and banking clients What Youll Bring: Commercial experience in Angular , JavaScript , and TypeScript Experience working in financial services , mortgage lending , or banking environments Familiarity More ❯

intelligent software systems that integrate agentic AI with scientific reasoning to accelerate research, development, and decision-making. We are seeking a Senior Front End Software Engineer to drive the design, integration, and deployment of web-based applications that enable seamless human-AI collaboration. This role is part of a bold, agentic initiative … is a rare opportunity to shape a greenfield product at the intersection of usability, flexibility, and advanced reasoning. Key Responsibilities Architect, develop, and maintain high-quality, testable front-end code and workflows that align with complex scientific and analytical use cases. Translate user stories, wireframes, and prototypes into production-ready features with a focus on clarity … and performant UIs optimized for data-rich and interactive workflows. Implement DevOps/GitOps practices for automated testing, deployment, and monitoring. Ensure security, scalability, and observability of front-end services in cloud environments (AWS). Ensure robust unit, integration, and end-to-end test coverage to maintain long-term code quality. An More ❯

Senior Frontend Software Engineer Leeds - 2x a week Salary: Up to £65k DOE. Fruition IT are working with a well-established private equity tech-first business who are embarking on a complete technical transformation. This client is looking to bring in a team of Software Engineers to work on a bespoke software platform as … part of the business growth. The Frontend Software Engineer will be responsible for working in a creative environment to build the frontend platform to industry standards. You will be working with scripting languages such as JavaScript and Typescript, spun up into an AWS platform. You'll be working alongside a very strong managerial team with great More ❯

Senior Software Engineer Frontend (Angular) Location: Manchester (Hybrid 2 days per week on-site) Salary: Up to £70,000 base + bonus + full benefits package Type: Permanent, Full Time The Opportunity Our client is an enterprise SaaS business delivering large-scale, user-centric products across multiple domains in the UK and international markets. … Their platforms underpin a wide array of high-demand digital services used by thousands of customers daily. This is a high-impact opportunity for a Senior Frontend Engineer to take a leading role in the design and development of complex, performant web applications using Angular and TypeScript . You wont be handed fixed specs and expected More ❯

Front End Software Engineer - London page is loaded Front End Software Engineer - London Apply locations London Office posted on Posted 7 Days Ago job requisition id R14631 Why it's worth it: Are you a passionate Software Engineer who has … Azure. Solid understanding of unit testing, continuous integration and deployment practices. Experience with Agile Methodology. Higher education/relevant certifications. Similar Jobs (1) Mid/Sr. Software Engineer - London locations London Office posted on Posted 7 Days Ago More ❯

Principal Software Engineer - Front End Architect and Governance Lead Why you should apply for a job to JPMorgan Chase: 61% say women are treated fairly and equally to men 77% say the CEO supports gender diversity Ratings are based on anonymous reviews by Fairygodboss members. Position summary ll guide the development of … and implementation of strategic UI architecture for the platform, ensuring alignment with business objectives and technical standards. Make key decisions about technologies, frameworks, and patterns used in front-end development, ensuring they align with overall technical strategy and business needs. Establish and enforce governance policies for UI frameworks, ensuring consistency, reusability, and maintainability across the platform. … Collaborate with product managers, UX designers, and development team leads to ensure seamless integration and delivery of front-end solutions. Establishing and enforcing architectural standards, ensuring adherence to best practices (including performance optimization, accessibility, and responsive design), and conducting regular reviews to maintain alignment with organizational policies. Evaluate and recommend latest technologies, tools, and frameworks to More ❯

Frontend Engineer | TypeScript & React | Salary £55-65k | Hybrid (flexible hybrid working in central Cambridge) Would you like to join a start-up that is helping the world identify more effective treatments for disease, and ultimately saving lives I’m working with an established start-up, who leverage AI & Machine Learning to increase the efficacy of … range of illnesses.It’s full steam ahead with enhancing their product range further and due to continued growth of their customer base, they need a new Frontend Engineer to join the team.You’ll utilise your React & TypeScript skills to progress the UI of various products, whilst maintaining a strong consideration for UX and accessibility for users.This … product range that is having a monumental impact on the lives of many people across the globe! What you’ll need A proven background as a Frontend Engineer Excellent experience with React & TypeScript They’re using Vite & Next.js across various projects, so experience with either of these tools is beneficial Some appreciation for UX and how More ❯

Senior Frontend Developer/Lead Frontend Engineer/React/TypeScript/Functional Programming/Elm/Haskell/AI Senior Frontend Developer - Deep Tech GenAI Startup Title: Senior Frontend Developer Location: Hybrid, London (1 day a week on-site) Domain: AI startup, Engineering Tech: JavaScript, React, TypeScript, Elm, WebGL, Tailwind CSS, AI Salary … theoretical physics, and computational geometry to build tools that transform large-scale engineering through machine learning and generative AI. They are now looking for a Senior Frontend Engineer with a passion for functional programming and elegant, performant user interfaces. The frontend stack includes React, TypeScript, Elm, and WebGL, with the backend built mainly in Python and … join a fast-paced startup culture that values learning, experimentation, and collaboration with some of the best minds in the industry. Senior Frontend Developer/Lead Frontend Engineer/React/TypeScript/Functional Programming/Elm/Haskell/AI More ❯

Senior Frontend Developer/Lead Frontend Engineer/React/TypeScript/Functional Programming/Elm/Haskell/AI Senior Frontend Developer - Deep Tech GenAI Startup Title: Senior Frontend Developer Location: Hybrid, London (1 day a week on-site) Domain: AI startup, Engineering Tech: JavaScript, React, TypeScript, Elm, WebGL, Tailwind CSS, AI Salary … theoretical physics, and computational geometry to build tools that transform large-scale engineering through machine learning and generative AI. They are now looking for a Senior Frontend Engineer with a passion for functional programming and elegant, performant user interfaces. The frontend stack includes React, TypeScript, Elm, and WebGL, with the backend built mainly in Python and … join a fast-paced startup culture that values learning, experimentation, and collaboration with some of the best minds in the industry. Senior Frontend Developer/Lead Frontend Engineer/React/TypeScript/Functional Programming/Elm/Haskell/AI More ❯

Role: Senior Frontend Engineer - React & TypeScript Location: Hybrid - Warrington (1 days/week) Salary: Up to £75,000 I'm recruiting on behalf of a client based in Warrington, who are looking to bring a Senior Frontend Engineer into their engineering team. This is a hybrid role, with 2 days More ❯

Front End Engineer/Developer (React v19 TypeScript) London/WFH to £95k Are you a Front End technologist looking for an opportunity to progress your career in a hands-on role with lots of learning opportunities? You could be joining a Hedge Fund with complex work and … substantial bonus earning potential. As a Front End Engineer you'll join a globally distributed team to develop engaging and simple user interfaces across all internal business systems. You'll collaborate with UX and Product teams, actively participating in all stages of a project, through product design, development, implementation, testing and maintenance. … are degree educated, having achieved a 2.1 or above in Computer Science or similar technical discipline What's in it for you: As a Front End Engineer you will receive a competitive package: Salary to £95k Bonus Pension Self development and career progression opportunities Apply now to find out more about this More ❯