51 to 75 of 90 Front-End Web Developer Jobs in London

development of our digital products. Your role involves ensuring that the code aligns with these requirements and adheres to our architectural and front-end coding standards. Performance optimisation is key, and you'll employ best practices to enhance our applications. Additionally, you'll stay proactive … flexible and configurable software components Produce well designed, testable, maintainable, secure and efficient code Qualifications You will have an extensive background in front-end development with significant experience working with TypeScript and React. Any further experience with Next.js/Angular/Vue.js is beneficial Experience with ...

enough about us. Let’s talk about you.Does this sound like you You're a passionate and experienced Staff Engineer specialising in front-end and mobile, who's excited to forge a new way to save! You set the technical bar for React and React Native … architecture, and representing Flagstone in the wider engineering community.What you’ll do:The Staff Engineer will take a leading role in driving front-end and mobile technical strategy across a tribe of 3–5 squads, ensuring the delivery of high-quality systems that meet our business ...

seeking a mid level Full Stack Developer to build high-performance, real-time applications. You must have strong front-end expertise with either WebSocket or SingalR and a Grid tech such as AG Grid. This role requires onsite attendance 3 days … pipelines and deployments through Azure DevOps and GitHub. Essential Experience Next.js, React, TypeScript, Web Components and AG Grid. Front-end trading application development. Real-time sales and trader workflows. WebSockets or SignalR. C#, dotNET 8, Python, RESTful APIs and microservices. RabbitMQ ...

Amazon Developer is seeking a talented UX Designer to help shape the developer experience for building and submitting applications for Alexa devices. This role requires a strong foundation in user-centered design, technical understanding, and problem-solving skills to create intuitive workflows …/mobile products- Experience working in a collaborative team and working directly with developers for implementation of designs- Experience and understanding of front-end technologies (HTML/CSS/JS) to help inform design and interaction decisions- Experience designing developer-facing products ...

collaboration and continuous learning.RequirementsStrong foundation in object-oriented design, development, and standard design patterns.Expert-level development experience using Java, J2EE and Web … Services.Strong understanding of REST APIs, Spring Boot, Micro Services and SOA web services.Expertise with front-end technologies such as JavaScript, TypeScript, Angular, and/or ReactJS.Proficiency in SQL, including query writing, stored procedures, and basic data modeling.Strong experience with modern testing frameworks ...

Reference: 57984Location: London, United KingdomIndustry: Financial ServicesSalary: 160,000Overview We are seeking a Senior Full Stack Developer to build and enhance high-performance, secure digital products within Financial Services. You will work across backend services and modern web front ends …/.NET and React.Strong knowledge of .NET Core, dependency injection, asynchronous programming, and API design.Strong React experience including state management and modern front-end tooling.Solid understanding of software design principles, patterns, and clean code practices.Experience with SQL databases, ORM tooling (e.g., Entity Framework), and data modelling.Experience ...

technology and data to deliver high-quality returns.A dynamic and entrepreneurial options trading team is seeking a highly skilled and passionate Front-End Developer. This role is ideal for those who enjoy building intuitive, high-performance dashboards and tools while working closely with quants & traders … deliver best-in-class applications.Key Responsibilities:Build and Develop UIs: Design and implement front-end applications such as trading dashboards, risk and monitoring tools, and research interfaces using React and TypeScript.UX & Design: Own the end-to-end UX standards for key tools ...

impact. Job Overview FX Client Platforms - Senior UI Software Engineer (Vice President) About the Role We are seeking a Senior Applications Developer to join a team delivering pricing solutions for the Foreign Exchange (FX) business. You will cover the full software development lifecycle — analysis, design … across the UI stack: profiling, rendering optimisation, bundle analysis, and low-latency data delivery Contribute and influence architecture decisions for large-scale front-end systems, including monorepo governance and design system adoption across globally distributed teams Champion best practices in TDD, code review, and AI-assisted ...

plugins, workflows, and integration services Develop integrations with external APIs (REST, SOAP, webhooks) with strong error handling and resilience Create and enhance front-end components using JavaScript/TypeScript, HTML, and CSS Work closely with architecture teams to translate designs into scalable technical solutions Collaborate with … integration development Experience working with APIs (REST/SOAP) and authentication methods Strong knowledge of JavaScript/TypeScript and modern web technologies Experience with CI/CD, DevOps practices, and Azure services Good understanding of databases and data modelling principles Strong problem-solving skills and ability ...

plugins, workflows, and integration services• Develop integrations with external APIs (REST, SOAP, webhooks) with strong error handling and resilience• Create and enhance front-end components using JavaScript/TypeScript, HTML, and CSS• Work closely with architecture teams to translate designs into scalable technical solutions• Collaborate with … integration development• Experience working with APIs (REST/SOAP) and authentication methods• Strong knowledge of JavaScript/TypeScript and modern web technologies• Experience with CI/CD, DevOps practices, and Azure services• Good understanding of databases and data modelling principles• Strong problem-solving skills and ability ...

continuous learning. Requirements Strong foundation in object-oriented design, development, and standard design patterns. Expert-level development experience using Java, J2EE and Web … Services. Strong understanding of REST APIs, Spring Boot, Micro Services and SOA web services. Expertise with front-end technologies such as JavaScript, TypeScript, Angular, and/or ReactJS. Proficiency in SQL, including query writing, stored procedures, and basic data modeling. Strong experience ...

customer and participating in a highly collaborative group of software engineering professional’s. Learning, developing your skills and becoming a rounded developer in the process. You will have experience with Python, React, and Large Language Models (LLMs) to support and enhance our client … Agile environmentDesign, build and support scalable and secure full-stack web applications using Python (FastAPI)Exposure to front-end development using React/Typescript.Support and enhance existing web applications to ensure stability and performance.Work with business and technical ...

customer and participating in a highly collaborative group of software engineering professional's. Learning, developing your skills and becoming a rounded developer in the process. You will have experience with Python, React, and Large Language Models (LLMs) to support and enhance our client … Agile environment Design, build and support scalable and secure full-stack web applications using Python (FastAPI) Exposure to front-end development using React/Typescript. Support and enhance existing web applications to ensure stability and performance. Work with ...

.Net Developer** (Contract) Duration: 12 Months (Possibility for extension) Location: Bromley/Hybrid (3 days per week on site) Rate: A highly competitive Umbrella Day Rate is available for suitable candidates Role Overview We are seeking a skilled Software Developer to join … practises. Proficient in MS SQL Server, TSQL, SSIS, SSRS. Familiarity with Git/Bitbucket and job scheduling tools like Autosys. Experience with front-end technologies such as Angular, JavaScript, and ASP.NET MVC is a plus. Strong analytical and problem-solving skills with meticulous attention to detail. ...

compliance, operations, and digital transformation. As the business continues to grow, they are seeking a talented Digital UI/UX Designer with front-end development skills to help create intuitive, user-centric experiences across client-facing products, AI-enabled workflows, and internal platforms. This … workflow solutions. Exposure to compliance, operations, RegTech, FinTech, or enterprise software environments. Familiarity with design systems and accessibility standards. Basic JavaScript or front-end framework knowledge. What's on Offer? £60,000 - £70,000 base salary Performance-related bonus Comprehensive benefits package Significant ownership and autonomy ...

Salesforce Developer | £350 | Outside IR35 | Fully Remote | 6 Months We’re recruiting for a few experienced Salesforce Developers for 6-Month contract roles with view of extension. This position will play a vital part on one of our key clients ongoing Transformation Programmes. This position … delivering Experience Cloud solutions within enterprise environments. Strong experience building and customising LWR and Lightning Web Components Advanced front-end development skills across HTML, CSS, and JavaScript technologies. Proven Apex development designing scalable Salesforce customisations and integrations. Strong communication skills, collaborating effectively ...

legacy Sitecore platform, and not to be conflated with it. Experience Edge, content modelling, publishing pipelines and Sitecore PowerShell Extensions (SPE) automation. Front-End & Head Architecture Architecting headless front ends against SitecoreAI using Next.js, React and TypeScript with the Sitecore Content SDK. Designing … invalidation strategy. Component and design-system practice, including component libraries, Storybook, and the contract between design tokens and content models. Treating front-end performance and quality gates — Core Web Vitals, Lighthouse CI — as an architectural concern rather than a post-delivery clean ...

about us. Let’s talk about you. Does this sound like you? You’re a passionate and experienced Staff Engineer specialising in front-end and mobile, who's excited to forge a new way to save! You set the technical bar for React and React Native … representing Flagstone in the wider engineering community. What you’ll do: The Staff Engineer will take a leading role in driving front-end and mobile technical strategy across a tribe of 3–5 squads, ensuring the delivery of high-quality systems that meet our business objectives. ...

Title: Senior Software Developer Salary: £72,325 per annum, Band H, Level 3 - Inclusive of OLW & Market Supplement Location: Gilwell Park, Chingford, London with Hybrid working option Contract Type: Permanent Working Hours: 35 hours per week About the Role We're looking for a Senior Software … services. About You What you'll bring as our Senior Software Developer: Strong experience in software development, including front-end and back-end web development. Experience working with databases, APIs and cloud-based systems. Experience delivering ...

Title: Senior Software Developer Salary: £72,325 per annum, Band H, Level 3 - Inclusive of OLW & Market Supplement Location: Gilwell Park, Chingford, London with Hybrid working option Contract Type: Permanent Working Hours: 35 hours per week About the Role We’re looking for a Senior Software … services. About You What you’ll bring as our Senior Software Developer: Strong experience in software development, including front-end and back-end web development. Experience working with databases, APIs and cloud-based systems. Experience delivering ...

End D3 Javascript Software Engineer - HolbornOur 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 be involved with creating … JavaScript object modelFamiliarity with RESTful APIsKnowledge of modern authorization mechanisms, such as JSON Web TokenFamiliarity with modern front-end build pipelines and toolsExperience with common front-end development tools such as Babel, Webpack, NPM, etc.Familiarity with code versioning ...

Role Summary :We are seeking an experienced Java Full Stack Developer to join our Digital Asset development team. This is a hands‐on engineering role responsible for building end‐to‐end product experiences across modern web user interfaces … security, data).Strong experience building RESTful APIs and microservice-style backend services, including documentation and integration patterns.Solid experience with a modern front-end framework such as React, Vue.js, or Angular, including building production user interfaces.Experience working with relational databases (e.g., Oracle) and ORM/data access ...

React, Node.js and TypeScript. Build, optimise and maintain SQL Server and Azure SQL databases, ensuring performance, security and data integrity. Develop responsive front-end applications using React and TypeScript. Build and maintain back-end services using Node.js. Deploy and support applications hosted within Azure … Web Apps. Work closely with Corporate Governance teams and key stakeholders to gather requirements and deliver business solutions. Demonstrate new functionality, gather feedback and rapidly iterate on enhancements. Utilise GitHub Copilot and AI-assisted development tools to improve engineering efficiency. Contribute to the future evolution ...

belongs in the 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 … without handing off, and be happy debugging something that only reproduces in production.Solid understanding of responsive design, cross-browser compatibility and web performance, and comfortable building to WCAG 2.2 AA. Accessibility is part of your definition of done, not a separate pass.You care that marketing sites ...

Senior .NET Developer to design, build, and maintain multi-asset class applications. The role focuses on Angular front-end (React acceptable) with C# .NET Core backend, Web API, and strong UX considerations. You will collaborate with ...