26 to 50 of 53 Front-End Web Developer Jobs in London

Required: PHP, Laravel, Swift/Swiftui, Kotlin and JavaScript Developer Join a dynamic tech startup as the first employee and capture the chance to shape the technology platform for a market-leading application set for imminent launch. Job Description As a Lead PHP Developer … responsible for leading the development, maintenance, and enhancement of the backend systems. You will work closely with the 3rd party mobile and web development teams to implement new features and ensure the scalability and reliability of the applications. Your role will also include mentoring junior developers … skills and the ability to work collaboratively in a remote team environment. Preferred Skills Familiarity with Sentry for error tracking. Understanding of front-end technologies such as JavaScript, HTML, and CSS. A proactive attitude towards learning new technologies and frameworks. Experience in an Agile/Scrum more »

Mid-Senior Full Stack Ruby Developer (Tech for Good/Sustainability) I am working on this role exclusivly with a client in the tech for good space, so if you are interested in making an impact working for a company that is focused on improving … use technology for positive change? Our client, a trailblazer in the sustainability space, is seeking a Mid-Senior Full Stack Ruby Developer to join their mission-driven team. In this role, you'll have the opportunity to leverage your expertise in HTML, CSS, Stimulus, and … to a more sustainable future. Working closely with clients, you'll not only bring their vision to life but also collaborate on front-end development, ensuring a seamless user experience. Your contributions will directly impact the company's mission to create positive change through technology. **Requirements more »

Senior UI Developer - London- Systematic Trading & Market Making Location: London - onsite This is an opportunity to join an award-winning multi-strategy hedge fund in their Global Fixed Income team. They are seeking an experienced … Front End ReactJS/TypeScript/UI Developer to build the next generation of front-end tools and infrastructure for a best-in-class Fixed Income and Macro Fund. Salary: Competitive/Market-Leading Requirements: 8+ years' UI … experience In-depth knowledge of JavaScript/TypeScript/UI Development Prior experience building reusable interactive React/Redux components Knowledge of web protocols: TCP, HTTP, Websockets, REST, grpc Strong knowledge of HTML5 and CSS (Grid, flexbox, animations) Ability to dissect business/user problems and more »

Frontend Developer 📍Location: 2 Days per week in Central London (3 days remote) 💰Salary: £70-75k Are you passionate about sustainability and eager to use your coding skills to make a meaningful impact? If so, this role is for you! My client provides personal … Role & Responsibilities: Manage the operation of our Shopify Plus store across two markets with a growing product range. Create engaging and impactful front-end experiences for customers. Collaborate with various stakeholders to scope, architect, and implement technical solutions for both frontend and backend. Develop high-fidelity … robust, and scalable front-end solutions. Adhere to and suggest improvements for the latest technology processes. ⭐Requirements: Experience in Shopify front-end and Liquid code development. Expertise in front-end development frameworks and libraries. Proficient in developing cross more »

unfolds with a blend of innovation, collaboration, and continuous improvement. Whilst this is a full stack role, we are looking for a developer who has strong experience and skills in backend development (Node.js and AWS). Reporting to the Engineering Manager, your role is pivotal, bringing … on the customer experience. We are building a service-based architecture driven by events and are cloud native with AWS. On the front-end we are creating amazing user experiences for our customers with Next.JS, React & Typescript, using Node & Python on the server side and … We leverage tools such as Localstack to replicate the AWS environment on our development machines and ensure that we have the best developer experience possible. In AWS, we are leveraging much of its native functionality. Fargate is used to host our web more »

Immediate need for a talented React developer (Only from Telecom/Broadband domain) . This is a 06+ months contract opportunity with long-term potential and is located in Osterley West London (Hybrid). Please review the job description below and contact me ASAP if you … Pay Range: £60 to 68 per Hour Inside IR3. Key Responsibilities: Create extremely well-crafted front-end web applications using React.js and Redux Write resilient code that will be continuously tested, deployed and performed at scaleTest front end … processes Ensure that the code written is in line with the department technical strategy - performant, resilient, secure and well monitored and alerted web applications Key Requirements and Technology Experience: Solid commercial experience in React/Redux development Good understanding of development best practices such as TDD more »

Developer (Banking) London (Hybrid) Permanent £70,000 - £90,000 (DOE) Software Developer needed with Banking sector experience and strong Python and SQL skills. Working in London on a hybrid remote basis (typically 2-3 days/week in the office). Start … manipulation, data modelling + data integration. PowerBI/Tableau Data Visualisation tools to create interactive visual reporting dashboards + integrating visualizations into web applications. Azure Cloud: designing + implementing Azure cloud based solutions + using data tools like Snowflake and Azure Data Lake Services (ADLS). … Developing solutions for Proof of Concept (POC) + Minimum Viable Products (MVP). Advantageous: active SC Security Clearance, JavaScript, HTML, CSS + front-end development tools. more »

the 30,000 households that are on the panel scanning barcodes on all products purchased in each trip. The Senior Application Support Developer will join a small but critically important team as the stack they support grows and develops to support both the redevelopment of the … and managing relationships with a range of internal stakeholders to ensure delivery of key priorities. The skills & experience needed as Application Support Developer University Degree (Bachelor s or Master s Degree) in Computer Science, Software Engineering or equivalent fields. Minimum of 3-4 years of previous … experience in full-stack development roles preferably in application development. Proficiency in Front-End web development primarily with JS, HTML5 and CSS. Proficiency in Back-End development with ASP.NET, .NET and C#. Experienced with GIT for code versioning. Comfortable with more »

Job Title: Full Stack Developer with Azure Security Expertise Location: London (5 days Onsite) Job Type: Contract (Inside IR35) Duration: 6 Months Job Description:. We are seeking a Full Stack Developer with a strong background in Azure security services to join … APIs, and webhooks. Monitor security using SIEM tools, understand MITRE attack vectors, and manage secrets and data loss prevention (DLP) strategies. Develop front-end and back-end applications, with a preference for TypeScript and React. Utilize HTML and CSS for web more »

My client, a boutique trading firm, is seeking a highly skilled and experienced Senior UI Developer to join its team. It's an amazing time to join as they are rapidly expanding and investing heavily in technology. In this role, you will be instrumental in … components is highly desirable. Responsibilities: Develop and maintain complex and scalable React applications. Design and implement high-quality, reusable UI components and front-end libraries for future use. Collaborate with cross-functional teams to define, design, and deliver new features. Optimise components for maximum performance across … various web-capable devices and browsers. Contribute to the architecture and design of the overall front-end framework. Lead efforts in creating a consistent and scalable UI/UX strategy. Review and guide code development, ensuring high standards are maintained. Stay up more »

My client (leading commodities trading firm) is seeking a highly skilled and experienced Senior UI Developer to join their team. In this role, you will be instrumental in developing, maintaining, and optimising complex and large-scale React applications. Your responsibilities will include creating frameworks, reusable … components is highly desirable. Responsibilities: ● Develop and maintain complex and scalable React applications. ● Design and implement high-quality, reusable UI components and front-end libraries for future use. ● Collaborate with cross-functional teams to define, design, and deliver new features. ● Optimise components for maximum performance across … a vast array of web-capable devices and browsers. ● Contribute to the architecture and design of the overall front-end framework. ● Lead efforts in creating a consistent and scalable UI/UX strategy. ● Review and guide code development, ensuring high standards are more »

and parallelism. Test Driven Development - Unit Testing frameworks, mocking frameworks, and patterns for testability. Relational database concepts, Microsoft SQL Server and SQL. Front-end technologies including HTML, CSS, and JavaScript. Web API design and implementation The mutual funds industry or related financial … and regulation within the context of the distributor/platform, Transfer Agent (TA), and fund/asset management industry. SPAs and responsive web development using Angular. Enterprise messaging systems (e.g NServiceBus/Azure Service Bus). Cloud experience, preferably Azure. Blockchain development experience and associated Cryptographic … development team provide out-of-hours on-call assistance to the operations team on a rota basis, with a typical frequency per developer of once every 3-4 weeks. You may be invited to join this rota once suitably skilled. #J-18808-Ljbffr more »

actively seeking a talented Full-Stack Engineer to enrich our dynamic team. Responsibilities: Utilise your senior-level engineering expertise across a modern web stack. Solid experience working with Back End technologies such as Kotllin or Java. Drive the development of web-based single-page applications using React/Typescript or equivalent technologies. Craft rich user interfaces following responsive design principles, leveraging your front-end development skills. Apply HTML/CSS mastery, encompassing layout, specificity, cross-browser compatibility, and accessibility. My client is working to a more »

Front End Dev React Swift UI London An innovative technology company is seeking a dynamic Front-End Engineer to join its trailblazing software team. The engineer will lead the launch of cutting-edge AI-driven music solutions and develop high-performing front-end interactions for web and iOS platforms. Their role will involve ensuring fast and reliable audio and video delivery across all products and maintaining the uptime, scalability, and responsiveness of the platforms. They will also have the opportunity to introduce groundbreaking solutions … software and servers while collaborating closely with design and hardware teams. Ideal candidates for this role will have experience in deploying integrated web applications using React, working with TypeScript, and interacting with scaled relational databases such as Postgres. Familiarity with Swift and SwiftUI for web more »

engineer to join my clients forward-thinking software development company based in the heart of London. They specialize in creating cutting-edge web applications for a diverse range of clients, from start-ups to established enterprises. The ideal candidate will have a strong background in web development, a keen eye for detail, and a passion for building robust, scalable applications. As a Ruby on Rails Developer you will be involved in the entire software development lifecycle, from concept to deployment, and beyond. Key Responsibilities: - Develop and maintain web … code quality, organization, and automatization. Requirements: - Proven experience as a Ruby on Rails Developer. - Solid understanding of object-oriented programming. - Experience with front-end technologies such as JavaScript, HTML, CSS, and JavaScript frameworks - Strong problem-solving skills and attention to detail. - Excellent communication and teamwork abilities. more »

Join Our Client in Leading the Clean Energy Transition! 🌟 Exciting Full-Stack Developer Opportunity in London! Are you passionate about shaping the future of energy with technology? Join our Client's fast-growing team as a Full-Stack Developer. … You'll develop new and existing applications using our custom framework. Strong object-oriented programming skills are essential. Work across a Typescript front-end and a C# back-end. You will also need to have experience using SQL, UI/UX and Vuejs. Key Responsibilities: Help … timely solutions. Actively participate as a competent and engaged member of the Development Team, working alongside our energy full-stack developers and web team. Stay current with developments and changes in IT, including new tools and techniques. Requirements: Strong proficiency in C# and JavaScript/HTML more »

on the customer experience. We are building a service-based architecture driven by events and are cloud native with AWS. On the front-end we are creating amazing user experiences for our customers with Next.JS, React &Typescript, using Node & Python on the server side and … We leverage tools such as Localstack to replicate the AWS environment on our development machines and ensure that we have the best developer experience possible. In AWS, we are leveraging much of its native functionality. Fargate is used to host our web more »

Senior Full Stack Developer | React and C# | Greenfield Trading Platform | London, Hybrid | up to £140k + Bonus, Benefits ❗Note: This role does not provide Visa Sponsorship ❗ ☁️ Our client is a world-renowned FS Trading House, offering a diverse and globally operating financial services platform, offering … player in major metals, energy, and agricultural products markets across the globe. As they embark on a transformative journey to revamp their front-end architecture, they're seeking a strong Senior Full Stack Developer with key skills in React and C#, to … end, Software design and architecture. 5+ years experience designing and building event-driven user interfaces. Proven expertise in React for front-end development and C# for back-end development. GraphQL is a big plus, as is proficiency in SQL and Redux . more »

Software Developer (SC Cleared) London (Hybrid) Permanent £70,000 - £90,000 (DOE) Software Developer needed with active SC Security Clearance and strong Python, SQL + Data Visualisation tools (PowerBI/Tableau). Working in London on a hybrid remote basis (typically … manipulation, data modelling + data integration. PowerBI/Tableau Data Visualisation tools to create interactive visual reporting dashboards + integrating visualizations into web applications. Azure Cloud: designing + implementing Azure cloud based solutions + using data tools like Snowflake and Azure Data Lake … Services (ADLS). Developing solutions for Proof of Concept (POC) + Minimum Viable Products (MVP). Advantageous: Banking, JavaScript, HTML, CSS + front-end development tools. more »

styled-components is desirable. Responsibilities: Develop and maintain complex and scalable React applications. Design and implement high-quality, reusable UI components and front-end libraries for future use. Collaborate with cross-functional teams to define, design, and deliver new features. Optimise components for maximum performance across … various web-capable devices and browsers. Contribute to the architecture and design of the overall front-end framework. Lead efforts in creating a consistent and scalable UI/UX strategy. Review and guide code development, ensuring high standards are maintained. Stay up … React.js workflows (such as Redux). Proven track record of delivering performant and robust, data-heavy applications for businesses. Familiarity with modern front-end build pipelines and tools. Ability to understand business requirements and translate them into technical requirements. Strong sense of ownership and a “get more »

Infused Solutions have partnered with a past paced software consultancy who are looking to add a Midlevel Django developer to their team. This organisation is currently going through a big phase of growth across all technology teams with some new and exciting projects coming up. The … role is a remote role with 2 days a week day in the office in London. **Key Responsibilities:** - Develop and maintain web applications using Django. - Implement and manage APIs using Django Rest Framework. - Integrate and manage third-party … services such as Twilio and SendGrid. - Utilize Celery and Redis for asynchronous task management. - Optimize queries for performance with PostgreSQL. - Collaborate with front-end developers to integrate user-facing elements with server-side logic. - Ensure the performance, quality, and responsiveness of applications. - Troubleshoot and debug more »

We are on the hunt for a Senior Full Stack Developer to lead our team in creating innovative, user-centric web applications. This role requires a deep understanding of frontend technologies, particularly React with TypeScript, and a knack for designing intuitive user … code using React with TypeScript. Lead the frontend development team in implementing robust web applications and interfaces. Integrate front-end applications with back-end services via API connections, ensuring seamless data exchange. Optimise applications for maximum speed and scalability while … with ReactNative or Flutter for cross-platform mobile app development. Proven ability to design intuitive and responsive user interfaces. Strong understanding of web security protocols and data protection. Experience working in an Agile/Scrum development process. As a Senior Full Stack Developer more »

aim is to revolutionise retail investing through the use of data-driven tech. Role Description Stratiphy is seeking a Full Time Quantitative Developer who will be responsible for quantitative research, model development and implementation into our codebase. This hybrid role will require the successful candidate to … will have flexibility to work from home. The Developer will collaborate with Back-End engineers and Front-End Developers, ensuring seamless communication in the team, and will work on designing and developing web-based applications, developing … class. Understanding of AI and ML techniques. Strong knowledge of Back-End Development, Software Development, and OOP principles Understanding of Front-End Development processes Proficiency in a programming language such as Python, PHP, or Ruby Experience in creating REST APIs Experience with Django and more »

Infused Solutions have partnered with a past paced software consultancy who are looking to add a Midlevel Django developer to their team. This organisation is currently going through a big phase of growth across all technology teams with some new and exciting projects coming up. The … role is a remote role with 2 days a week day in the office in London. **Key Responsibilities:** - Develop and maintain web applications using Django. - Implement and manage APIs using Django Rest Framework. - Integrate and manage third-party … services such as Twilio and SendGrid. - Utilize Celery and Redis for asynchronous task management. - Optimize queries for performance with PostgreSQL. - Collaborate with front-end developers to integrate user-facing elements with server-side logic. - Ensure the performance, quality, and responsiveness of applications. - Troubleshoot and debug more »

returns for our investors. Your future role within QRT: You will be working in a constantly evolving environment as a desk-focused developer within a team of Fixed Income Quants and Traders. You will build applications providing market data and insights to inform trading decisions. Your … systems development will be highly valuable in improving and expanding our production processes. Provide the results of automated business logic in a web-based front end Productionize financial models developed by quants and traders Take ownership of production processes to ensure constant … technical environment. Your present skillset: A minimum of 2 years of experience as a software engineer Python language expertise is a must Front-End Development Experience (ideally in React), or willingness to learn it Relational Database/SQL Experience Experience with AWS or any cloud technology more »