101 to 125 of 207 Front End Development Jobs in London

Front-End Engineer Location: London (Onsite, 5 days per week) Salary & Benefits: £80,000– £120,000 + Benefits Investigo are partnered with an innovative AI technology company. They’re on a mission to transform the way businesses leverage systems through AI-powered solutions, and they’re looking for a Front-End Engineer to help shape and … Lead the development of scalable, responsive, and high-performance user interfaces for a next-generation AI-powered platform. Collaborate closely with product managers, designers, and back-end engineers to deliver a seamless, intuitive user experience. Build and maintain a reusable component library to ensure consistency and quality across the platform. Contribute to frontend architecture decisions and More ❯

Front-End Engineer Location: London (Onsite, 5 days per week) Salary & Benefits: £80,000– £120,000 + Benefits Investigo are partnered with an innovative AI technology company. They’re on a mission to transform the way businesses leverage systems through AI-powered solutions, and they’re looking for a Front-End Engineer to help shape and … Lead the development of scalable, responsive, and high-performance user interfaces for a next-generation AI-powered platform. Collaborate closely with product managers, designers, and back-end engineers to deliver a seamless, intuitive user experience. Build and maintain a reusable component library to ensure consistency and quality across the platform. Contribute to frontend architecture decisions and More ❯

Front-End Engineer Location: London (Onsite, 5 days per week) Salary & Benefits: £80,000– £120,000 + Benefits Investigo are partnered with an innovative AI technology company. They’re on a mission to transform the way businesses leverage systems through AI-powered solutions, and they’re looking for a Front-End Engineer to help shape and … Lead the development of scalable, responsive, and high-performance user interfaces for a next-generation AI-powered platform. Collaborate closely with product managers, designers, and back-end engineers to deliver a seamless, intuitive user experience. Build and maintain a reusable component library to ensure consistency and quality across the platform. Contribute to frontend architecture decisions and More ❯

Front-End Engineer Location: London (Onsite, 5 days per week) Salary & Benefits: £80,000– £120,000 + Benefits Investigo are partnered with an innovative AI technology company. They’re on a mission to transform the way businesses leverage systems through AI-powered solutions, and they’re looking for a Front-End Engineer to help shape and … Lead the development of scalable, responsive, and high-performance user interfaces for a next-generation AI-powered platform. Collaborate closely with product managers, designers, and back-end engineers to deliver a seamless, intuitive user experience. Build and maintain a reusable component library to ensure consistency and quality across the platform. Contribute to frontend architecture decisions and More ❯

Harrington Starr has partnered with a well-established London based Investment Bank to find a Full Stack Developer at the Associate level. This is a hands-on development role, supporting a range of internal systems across trading and business operations. Key Responsibilities: Develop and maintain software using C#, SQL, and React Integrate real-time and historical data … secure solutions Ensure systems meet regulatory and cybersecurity standards Key Benefits: Salary up to £65,000 depending on experience 4 days onsite in a central London office Exposure to front-to-back office technology and teams Strong bonus and benefits package Key Requirements: Experience in financial services or trading environments Proficiency in C#, SQL Server, and front-end development (React preferred) Experience working with APIs and market data (e.g. Bloomberg, Fidessa) Strong communication, problem-solving, and collaboration skills Other Information: Agile working culture in a fast-paced environment No visa sponsorship – candidates must have full UK working rights Ideal for developers looking to grow in a cross-functional financial tech team Direct communication with More ❯

Harrington Starr has partnered with a well-established London based Investment Bank to find a Full Stack Developer at the Associate level. This is a hands-on development role, supporting a range of internal systems across trading and business operations. Key Responsibilities: Develop and maintain software using C#, SQL, and React Integrate real-time and historical data … secure solutions Ensure systems meet regulatory and cybersecurity standards Key Benefits: Salary up to £65,000 depending on experience 4 days onsite in a central London office Exposure to front-to-back office technology and teams Strong bonus and benefits package Key Requirements: Experience in financial services or trading environments Proficiency in C#, SQL Server, and front-end development (React preferred) Experience working with APIs and market data (e.g. Bloomberg, Fidessa) Strong communication, problem-solving, and collaboration skills Other Information: Agile working culture in a fast-paced environment No visa sponsorship – candidates must have full UK working rights Ideal for developers looking to grow in a cross-functional financial tech team Direct communication with More ❯

Harrington Starr has partnered with a well-established London based Investment Bank to find a Full Stack Developer at the Associate level. This is a hands-on development role, supporting a range of internal systems across trading and business operations. Key Responsibilities: Develop and maintain software using C#, SQL, and React Integrate real-time and historical data … secure solutions Ensure systems meet regulatory and cybersecurity standards Key Benefits: Salary up to £65,000 depending on experience 4 days onsite in a central London office Exposure to front-to-back office technology and teams Strong bonus and benefits package Key Requirements: Experience in financial services or trading environments Proficiency in C#, SQL Server, and front-end development (React preferred) Experience working with APIs and market data (e.g. Bloomberg, Fidessa) Strong communication, problem-solving, and collaboration skills Other Information: Agile working culture in a fast-paced environment No visa sponsorship – candidates must have full UK working rights Ideal for developers looking to grow in a cross-functional financial tech team Direct communication with More ❯

Harrington Starr has partnered with a well-established London based Investment Bank to find a Full Stack Developer at the Associate level. This is a hands-on development role, supporting a range of internal systems across trading and business operations. Key Responsibilities: Develop and maintain software using C#, SQL, and React Integrate real-time and historical data … secure solutions Ensure systems meet regulatory and cybersecurity standards Key Benefits: Salary up to £65,000 depending on experience 4 days onsite in a central London office Exposure to front-to-back office technology and teams Strong bonus and benefits package Key Requirements: Experience in financial services or trading environments Proficiency in C#, SQL Server, and front-end development (React preferred) Experience working with APIs and market data (e.g. Bloomberg, Fidessa) Strong communication, problem-solving, and collaboration skills Other Information: Agile working culture in a fast-paced environment No visa sponsorship – candidates must have full UK working rights Ideal for developers looking to grow in a cross-functional financial tech team Direct communication with More ❯

within a fast paced environment Requirements Extensive experience with WordPress Strong knowledge of Gutenberg and best practices Ability to create custom Gutenberg blocks Knowledge of PHP, HTML and CSS Front End development experience in JavaScript and React Knowledge of VCS and Git Ability to communicate your ways of working and collaborate with team members As More ❯

within a fast paced environment Requirements Extensive experience with WordPress Strong knowledge of Gutenberg and best practices Ability to create custom Gutenberg blocks Knowledge of PHP, HTML and CSS Front End development experience in JavaScript and React Knowledge of VCS and Git Ability to communicate your ways of working and collaborate with team members As More ❯

a positive 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 ❯

a positive 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 ❯

a positive 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 ❯

a positive 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 ❯

technologies in the workplace, environmental analysis and HealthTech, are currently in search of a UI/UX Designer to join their Digital Solutions team. You'll support the development of new digital products and services across the organisation's global businesses supporting enhancements to user experiences across applications, web platforms, and emerging technologies, with plenty of opportunities … design patterns and interaction design principles. Experience working in Agile or fast-paced team environments. Knowledge of responsive design techniques for various screen sizes and devices. Basic understanding of front-end development (HTML, CSS, JavaScript) is advantageous. The UI/UX Designer package: Up to £45,000 Bonus scheme Private medical cover Company pension Wider More ❯

of working within an agile project environment, and maintaining effective performance in difficult and challenging circumstances: Practical experience of quantitative research methodologies An understanding of service design, visual design, Front End development and agile methodologies. Proven experience of gathering user requirements for web based services. Proven experience of managing, executing and analysing usability test and … research sessions. Proven experience of working in an agile development environment with User Experience teams, designers and developers to create new digital products and services. Experience of audience modelling and developing design personas. An in- depth understanding of the available research methodologies. Desirable Degree in HCI/Usability/Cognitive Psychology/Market Research or related field. … provide actionable recommendations to the relevant team members. Apply knowledge in human factors, ethnography, and the user-centred design process to product and service design in an iterative development environment Use findings of user data to work closely with designers and analysts to iterate the developing service Thrive working in an agile environment, using your own creativity More ❯

a fantastic opportunity to join the small digital design team providing design consultancy to individual companies within the group. The Junior UI/UX Designer will support the development of new digital products and services across a range of businesses. You will help enhance the user experience of our digital solutions, learning from experienced designers and technologists. … practical experience in researching and designing digital applications, as well as familiarity with design and prototyping tools such as Figma, Adobe XD, Sketch, or similar. A basic understanding of front-end development technologies (HTML, CSS, JavaScript) would be advantageous. The ability to communicate effectively with both technical and non-technical stakeholders is essential. Knowledge of More ❯

concepts, prototypes, journey maps, and wireframes to improve usability and satisfaction. Refine designs based on user feedback, usability testing, and evaluation findings. Collaborate with cross-functional teams (design, development, implementation) to communicate and advocate for design decisions. Develop alternative service design solutions and assess trade-offs to support strategic decision-making. Apply established design methods, tools, and … Effects. Understanding of visual design, branding guidelines, and accessibility standards (WCAG 2.1). Familiarity with usability testing methodologies, A/B testing, and user research methods. Basic understanding of Front End development principles, including HTML/CSS, is desirable. Requirements Minimum of 6 years' experience in user experience or service design (SFIA Level 3/ More ❯

designing services, writing code, and solving meaningful problems that impact thousands of employees. This is a hands-on, delivery-focused role for someone who enjoys building secure, scalable back-end systems and thrives in a high-trust, collaborative environment. WHAT YOU WILL DO Develop and maintain back-end services, APIs, and integrations for the Connect platform Write clean … efficient, and testable C# code that performs at scale Contribute to the design and evolution of Connect’s architecture, working closely with architects and senior engineers Collaborate with front-end developers, QA, and product teams to deliver end-to-end features Build with performance, security, and maintainability in mind – always Write and maintain automated unit and … LL BRING Strong experience in C# and the .NET ecosystem Experience building scalable, secure applications in Azure (Service Fabric, Cosmos DB, Azure Functions, etc.) Solid understanding of modern back-end architecture – including microservices, APIs, and messaging patterns Familiarity with CI/CD pipelines, automated testing, and DevOps practices Experience troubleshooting production issues and delivering resilient solutions A collaborative mindset More ❯

designing services, writing code, and solving meaningful problems that impact thousands of employees. This is a hands-on, delivery-focused role for someone who enjoys building secure, scalable back-end systems and thrives in a high-trust, collaborative environment. WHAT YOU WILL DO Develop and maintain back-end services, APIs, and integrations for the Connect platform Write clean … efficient, and testable C# code that performs at scale Contribute to the design and evolution of Connect’s architecture, working closely with architects and senior engineers Collaborate with front-end developers, QA, and product teams to deliver end-to-end features Build with performance, security, and maintainability in mind – always Write and maintain automated unit and … LL BRING Strong experience in C# and the .NET ecosystem Experience building scalable, secure applications in Azure (Service Fabric, Cosmos DB, Azure Functions, etc.) Solid understanding of modern back-end architecture – including microservices, APIs, and messaging patterns Familiarity with CI/CD pipelines, automated testing, and DevOps practices Experience troubleshooting production issues and delivering resilient solutions A collaborative mindset More ❯

designing services, writing code, and solving meaningful problems that impact thousands of employees. This is a hands-on, delivery-focused role for someone who enjoys building secure, scalable back-end systems and thrives in a high-trust, collaborative environment. WHAT YOU WILL DO Develop and maintain back-end services, APIs, and integrations for the Connect platform Write clean … efficient, and testable C# code that performs at scale Contribute to the design and evolution of Connect’s architecture, working closely with architects and senior engineers Collaborate with front-end developers, QA, and product teams to deliver end-to-end features Build with performance, security, and maintainability in mind – always Write and maintain automated unit and … LL BRING Strong experience in C# and the .NET ecosystem Experience building scalable, secure applications in Azure (Service Fabric, Cosmos DB, Azure Functions, etc.) Solid understanding of modern back-end architecture – including microservices, APIs, and messaging patterns Familiarity with CI/CD pipelines, automated testing, and DevOps practices Experience troubleshooting production issues and delivering resilient solutions A collaborative mindset More ❯

designing services, writing code, and solving meaningful problems that impact thousands of employees. This is a hands-on, delivery-focused role for someone who enjoys building secure, scalable back-end systems and thrives in a high-trust, collaborative environment. WHAT YOU WILL DO Develop and maintain back-end services, APIs, and integrations for the Connect platform Write clean … efficient, and testable C# code that performs at scale Contribute to the design and evolution of Connect’s architecture, working closely with architects and senior engineers Collaborate with front-end developers, QA, and product teams to deliver end-to-end features Build with performance, security, and maintainability in mind – always Write and maintain automated unit and … LL BRING Strong experience in C# and the .NET ecosystem Experience building scalable, secure applications in Azure (Service Fabric, Cosmos DB, Azure Functions, etc.) Solid understanding of modern back-end architecture – including microservices, APIs, and messaging patterns Familiarity with CI/CD pipelines, automated testing, and DevOps practices Experience troubleshooting production issues and delivering resilient solutions A collaborative mindset More ❯

Back End Developer Home-based within the UK About Us At Family Action, we transform lives by providing practical, emotional and financial support to those experiencing poverty, disadvantage and social isolation. Since 1869, weve been building stronger families, and today, we work with over 60,000 families across more than 190 services. We also support thousands more through national … programmes and grants, helping everyone find the tools to overcome challenges and thrive. Were now looking for a Back End Developer to join us on a full-time, permanent basis, working 37 hours per week. The Benefits - Salary of £43,042 per annum (inclusive of £1,044 market supplement and £480 home working allowance) - An annual paid leave entitlement … if youre someone who loves solving problems, building elegant solutions and being part of a mission that really matters, read on and apply today! The Role As a Back End Developer, youll design, build, and run secure, scalable backend services that power our web applications and keep things running smoothly behind the scenes. Specifically, youll develop APIs and data More ❯

Back End Developer Home-based within the UK About Us At Family Action, we transform lives by providing practical, emotional and financial support to those experiencing poverty, disadvantage and social isolation.Since 1869, we’ve been building stronger families, and today, we work with over 60,000 families across more than 190 services. We also support thousands more through national … programmes and grants, helping everyone find the tools to overcome challenges and thrive.We’re now looking for a Back End Developer to join us on a full-time, permanent basis, working 37 hours per week. The Benefits - Salary of £43,042 per annum (inclusive of £1,044 market supplement and £480 home working allowance)- An annual paid leave entitlement … you’re someone who loves solving problems, building elegant solutions and being part of a mission that really matters, read on and apply today! The Role As a Back End Developer, you’ll design, build, and run secure, scalable backend services that power our web applications and keep things running smoothly behind the scenes.Specifically, you’ll develop APIs and More ❯

either London, Cambridge, or Bristol , 2 from home. Join an award-winning firm recognised for innovation, inclusion, and career development. What you'll be doing: Designing, developing, and maintaining front-end and back-end components of complex web applications. Collaborating with product owners, designers, and data teams to deliver user-friendly, high-performance tools. Implementing cloud-based … 4+ years' experience building enterprise-grade applications. Strong backend skills in Python (FastAPI, Flask) with experience designing APIs and integrating databases (e.g. GraphDB, CosmosDB, SQL). Solid frontend development skills in React, TypeScript/JavaScript, HTML, and CSS . Experience developing scalable, cloud-based solutions - Azure preferred. Understanding of modern development best practices, including More ❯