276 to 300 of 364 Front End Development Jobs in London

Job Type: Full Time, Permanent Location: London, Hybrid Role purpose As a valued member of our engineering team, you will contribute to the development of our new web application, powered by a Headless CMS, using the latest frontend technologies. Working with a modern JavaScript stack, your primary … primarily an engineering role, we are always looking for developers who have a keen eye for product and who can contribute to the development of features at a product level before they are implemented. If you are eager to be part of a dynamic team, contribute to … when needed Knowledge of best practices in security, performance and accessibility Skills, knowledge, and experience Must have: 3+ years of experience in frontend development, building dynamic and responsive web applications Demonstrated fluency with TypeScript, React and frameworks such as NextJS Familiarity with state management libraries (Zustand, Redux More ❯

long-term roadmap, including upcoming integration of AI, ML, and global expansion features. What You’ll Be Doing: Taking the lead on frontend development using React and TypeScript , creating modular and accessible components from FIGMA designs. Collaborating closely with backend engineers to integrate API functionality into the … UI. Supporting backend services development using Python (FastAPI) and contributing to API schema design and implementation. Building a high-performance, user-friendly experience across internal and external-facing applications. Working with DevOps and engineering teams to ensure fast, reliable deployment pipelines. Tech Stack: Frontend : React, TypeScript, TailwindCSS More ❯

SASS/SCSS Experience with CSS frameworks – Tailwind, Bootstrap and responsive design techniques Background in mathematics, statistics and/or physics and 3D development is desirable Strong knowledge of platform specific and cross platform capabilities Experience utilising JavaScript build tools such as Gulp, Vite or Rollup Proficient … such as GIT and SVN. Have the ability to analyse and understand frameworks and functionality to ensure optimal experiences within a mobile-first development approach Experience with logging and analysis tools to quickly diagnose errors (Elasticsearch, Rollbar, Sentry) Interested? Please submit your updated CV to Lewis Rushton More ❯

SASS/SCSS Experience with CSS frameworks – Tailwind, Bootstrap and responsive design techniques Background in mathematics, statistics and/or physics and 3D development is desirable Strong knowledge of platform specific and cross platform capabilities Experience utilising JavaScript build tools such as Gulp, Vite or Rollup Proficient … such as GIT and SVN. Have the ability to analyse and understand frameworks and functionality to ensure optimal experiences within a mobile-first development approach Experience with logging and analysis tools to quickly diagnose errors (Elasticsearch, Rollbar, Sentry) Interested? Please submit your updated CV to Lewis Rushton More ❯

SASS/SCSS Experience with CSS frameworks – Tailwind, Bootstrap and responsive design techniques Background in mathematics, statistics and/or physics and 3D development is desirable Strong knowledge of platform specific and cross platform capabilities Experience utilising JavaScript build tools such as Gulp, Vite or Rollup Proficient … such as GIT and SVN. Have the ability to analyse and understand frameworks and functionality to ensure optimal experiences within a mobile-first development approach Experience with logging and analysis tools to quickly diagnose errors (Elasticsearch, Rollbar, Sentry) Interested? Please submit your updated CV to Lewis Rushton More ❯

SASS/SCSS Experience with CSS frameworks – Tailwind, Bootstrap and responsive design techniques Background in mathematics, statistics and/or physics and 3D development is desirable Strong knowledge of platform specific and cross platform capabilities Experience utilising JavaScript build tools such as Gulp, Vite or Rollup Proficient … such as GIT and SVN. Have the ability to analyse and understand frameworks and functionality to ensure optimal experiences within a mobile-first development approach Experience with logging and analysis tools to quickly diagnose errors (Elasticsearch, Rollbar, Sentry) Interested? Please submit your updated CV to Lewis Rushton More ❯

SASS/SCSS Experience with CSS frameworks – Tailwind, Bootstrap and responsive design techniques Background in mathematics, statistics and/or physics and 3D development is desirable Strong knowledge of platform specific and cross platform capabilities Experience utilising JavaScript build tools such as Gulp, Vite or Rollup Proficient … such as GIT and SVN. Have the ability to analyse and understand frameworks and functionality to ensure optimal experiences within a mobile-first development approach Experience with logging and analysis tools to quickly diagnose errors (Elasticsearch, Rollbar, Sentry) Interested? Please submit your updated CV to Lewis Rushton More ❯

SASS/SCSS Experience with CSS frameworks – Tailwind, Bootstrap and responsive design techniques Background in mathematics, statistics and/or physics and 3D development is desirable Strong knowledge of platform specific and cross platform capabilities Experience utilising JavaScript build tools such as Gulp, Vite or Rollup Proficient … such as GIT and SVN. Have the ability to analyse and understand frameworks and functionality to ensure optimal experiences within a mobile-first development approach Experience with logging and analysis tools to quickly diagnose errors (Elasticsearch, Rollbar, Sentry) Interested? Please submit your updated CV to Lewis Rushton More ❯

implement a new high-scale system for millions of users. Build convenient CI/CD processes and testing pipelines to support quick iterative development and system stability. Research and make decisions about the technological stack and system design, considering all trade-offs. Work on ML model development … robust data pipelines and deploy ML models. Analyse large corpora of data and build real-time recommendation systems. Scale backend and web frontend development teams. Deliver numerous new, useful, and interesting features. Work with large amounts of data in different modalities: texts, videos, images, audio. Lead the … full-stack development of a high-scale system designed for millions of users. Work in a very cross-functional team, side by side with mobile developers, product managers, ML engineers, and designers. Skills needed: Build high-load applications from scratch. Deep knowledge of AWS. Problem More ❯

in it for you: Competitive salary, to £90k + Significant Equity Hybrid working (3 days London office per week) Vitality Healthcare Continuous career development and learning opportunities Influential role as part of a small, close knit team Complex and interesting work Your role: As a Full Stack … Engineer you will take ownership, working on technically challenging Greenfield development projects. You'll be working on complex problems with scalability and reliability in mind, across the full development lifecycle from architecture and design through to implementation. There's a range of technology in … the stack, you'll have a 50/50 split between backend and frontend development using TypeScript, Elixir, Elm and AWS amongst others, learning and picking new things up on the job in a collaborative, tech driven environment where you can get stuff done and see the More ❯

in it for you: Competitive salary, to £90k + Significant Equity Hybrid working (3 days London office per week) Vitality Healthcare Continuous career development and learning opportunities Influential role as part of a small, close knit team Complex and interesting work Your role: As a Full Stack … Engineer you will take ownership, working on technically challenging Greenfield development projects. You'll be working on complex problems with scalability and reliability in mind, across the full development lifecycle from architecture and design through to implementation. There's a range of technology in … the stack, you'll have a 50/50 split between backend and frontend development using TypeScript, Elixir, Elm and AWS amongst others, learning and picking new things up on the job in a collaborative, tech driven environment where you can get stuff done and see the More ❯

in it for you: Competitive salary, to £90k + Significant Equity Hybrid working (3 days London office per week) Vitality Healthcare Continuous career development and learning opportunities Influential role as part of a small, close knit team Complex and interesting work Your role: As a Full Stack … Engineer you will take ownership, working on technically challenging Greenfield development projects. You'll be working on complex problems with scalability and reliability in mind, across the full development lifecycle from architecture and design through to implementation. There's a range of technology in … the stack, you'll have a 50/50 split between backend and frontend development using TypeScript, Elixir, Elm and AWS amongst others, learning and picking new things up on the job in a collaborative, tech driven environment where you can get stuff done and see the More ❯

an exceptional developer to join our core product team, building privacy-first knowledge worker tools. You'll manage your time between groundbreaking product development and assisting in maintaining our existing enterprise solutions. Core Requirements: - Strong full-stack development capabilities, preferably design and UX weighted … Frontend development with demonstrable UI/UX portfolio - Excellent problem-solving skills, attention to detail - Quick learner with demonstrable ability to master new technologies - Self-motivated and ambitious with strong communication skills - Pragmatically values clean, maintainable code Primary Responsibilities (70%): - Implementing core features using FastAPI, JS, HTMX … Architecting and implementing core features - Building secure, cross-platform applications with Tauri - Frontend development skills in Tailwind/Bootstrap - Designing and implementing privacy-first ML integrations Secondary Responsibilities (30%): - Maintaining PHP/jQuery applications - General web development tasks - Documentation, testing, and knowledge sharing Technical More ❯

an exceptional developer to join our core product team, building privacy-first knowledge worker tools. You'll manage your time between groundbreaking product development and assisting in maintaining our existing enterprise solutions. Core Requirements: - Strong full-stack development capabilities, preferably design and UX weighted … Frontend development with demonstrable UI/UX portfolio - Excellent problem-solving skills, attention to detail - Quick learner with demonstrable ability to master new technologies - Self-motivated and ambitious with strong communication skills - Pragmatically values clean, maintainable code Primary Responsibilities (70%): - Implementing core features using FastAPI, JS, HTMX … Architecting and implementing core features - Building secure, cross-platform applications with Tauri - Frontend development skills in Tailwind/Bootstrap - Designing and implementing privacy-first ML integrations Secondary Responsibilities (30%): - Maintaining PHP/jQuery applications - General web development tasks - Documentation, testing, and knowledge sharing Technical More ❯

a fair, secure, and fulfilling retirement. Purpose: We are seeking a Senior Backend Engineer to join our expanding team. You will support the development of mobile and web applications, focusing on building scalable, secure, and high-performing backend services using GraphQL, C#, Kubernetes, and Azure, with integration … practices for CI/CD, cloud security, and API management. Document solutions, workflows, and architecture decisions. Skills and Experience Proven experience in backend development with C# and .NET. Experience with GraphQL for data querying. Hands-on experience with Kubernetes and Helm. Azure cloud expertise, including app services More ❯

implement a new high-scale system for millions of users. Build convenient CI/CD processes and testing pipelines to support quick iterative development and system stability. Research and make decisions about the technological stack and system design, considering all trade-offs. Work on ML model development … robust data pipelines and deploy ML models. Analyse large corpora of data and build real-time recommendation systems. Scale backend and web frontend development teams. Deliver numerous new, useful, and interesting features. Work with large amounts of data in different modalities: Texts Videos Images Audio Work in More ❯

experience is beneficial Good knowledge of sessions and cookies and how these are manipulated in a web context A mobile first approach to development Interested? Please submit your updated CV to Lewis Rushton at Crimson for immediate consideration. Not interested? Do you know someone who might be More ❯

experience is beneficial Good knowledge of sessions and cookies and how these are manipulated in a web context A mobile first approach to development Interested? Please submit your updated CV to Lewis Rushton at Crimson for immediate consideration. Not interested? Do you know someone who might be More ❯

I am supporting a very exciting scale-up Start-Up based in the City of London with their search for a Frontend Developer! You'll work alongside a team of Frontend & Backend Engineers (Python) and work on their two core More ❯

I am supporting a very exciting scale-up Start-Up based in the City of London with their search for a Frontend Developer! You'll work alongside a team of Frontend & Backend Engineers (Python) and work on their two core More ❯

of a team of engineers responsible for building our client app experiences in BrightScript, using the Roku SceneGraph SDK Contribute to the development of new application features from on-boarding to browse UI/UX experiences, analytics, video playback UI/UX and much more. If … understand and communicate requirements and device limitations Minimum Qualifications: At least 5 years of development experience with a client-side development stack, ideally with at least 2 years BrightScript experience Experience with MVVM (Model-View-ViewModel) architecture Candidates will be expected to … custom controls Experience with asynchronous and concurrent code Experience with unit testing and related patterns Experience with JavaScript client- and server-side development Experience with DevOps, gulp scripts, Jenkins and AWS Required Education Bachelor's degree or better in Computer Science or a related technical More ❯

and mobile interfaces React, React Native, Redux, React Hooks CSS, Typescript, Websockets, REST APIs Leading cross-functional teams to drive product launches and realise end-to-end solutions Bonus points : understanding of trading interfaces, financial experience, blockchain knowledge, start-up experience With fantastic benefits on offer, you do … want to miss out on this Staff Software Engineer opportunity: Equity Tokens Medical cover for you and your family Training programmes for professional development Regular social and team-building activities If you have worked in a financial start-up and are looking for your next challenge building More ❯

and mobile interfaces React, React Native, Redux, React Hooks CSS, Typescript, Websockets, REST APIs Leading cross-functional teams to drive product launches and realise end-to-end solutions Bonus points : understanding of trading interfaces, financial experience, blockchain knowledge, start-up experience With fantastic benefits on offer, you do … want to miss out on this Staff Software Engineer opportunity: Equity Tokens Medical cover for you and your family Training programmes for professional development Regular social and team-building activities If you have worked in a financial start-up and are looking for your next challenge building More ❯

setting Contribute to architectural decisions, documentation, and continuous improvement Ensure performance, scalability, and security standards are upheld Participate in peer code reviews and development best practices Required Skills & Experience 2–4 years of experience in backend development using C#, .NET, or Node.js Working knowledge … experience working in Agile or Scrum environments Nice to Have : Familiarity with cloud platforms (Azure preferred) Exposure to JAMstack architecture and modern web development patterns Experience in a digital agency or client-facing delivery role Awareness of frontend best practices (accessibility, performance, SEO More ❯

setting Contribute to architectural decisions, documentation, and continuous improvement Ensure performance, scalability, and security standards are upheld Participate in peer code reviews and development best practices Required Skills & Experience 2–4 years of experience in backend development using C#, .NET, or Node.js Working knowledge … experience working in Agile or Scrum environments Nice to Have : Familiarity with cloud platforms (Azure preferred) Exposure to JAMstack architecture and modern web development patterns Experience in a digital agency or client-facing delivery role Awareness of frontend best practices (accessibility, performance, SEO More ❯