26 to 50 of 100 Front End Development Jobs in the City of London

key role in designing and prototyping modern digital solutions across the organisation's global businesses. Necessary skills of the Software Engineer: 5+ years of experience in cloud-native development, ideally within the Azure ecosystem. 5+ years of software engineering experience with C# and/or Python. Strong proficiency in Azure services (App Services, AI Services, Functions, Logic … CD pipelines (Azure DevOps, GitHub Actions). Understanding of solution architecture principles including scalability, security, and performance optimization. Experience with Generative AI technologies, LLMs, and RAG techniques is advantageous. Front-end development experience with React, Angular, or Vue.js is desirable. The Software Engineer package: Up to £60,000 Bonus scheme Private medical cover Company pension 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 ❯

technologies to accelerate the adoption of scalable, secure innovations that drive real business value. Necessary skills of the Software Solutions Engineer: 5+ years of experience in cloud-native development, ideally within the Azure ecosystem. 5+ years of software engineering experience with C# and/or Python. Strong proficiency in Azure services (App Services, AI Services, Functions, Logic … CD pipelines (Azure DevOps, GitHub Actions). Understanding of solution architecture principles including scalability, security, and performance optimization. Experience with Generative AI technologies, LLMs, and RAG techniques is advantageous. Front-end development experience with React, Angular, or Vue.js is desirable. The Software Solutions Engineer package: Up to £60,000 Bonus scheme Private medical cover Company More ❯

technologies to accelerate the adoption of scalable, secure innovations that drive real business value. Necessary skills of the Software Solutions Engineer: 5+ years of experience in cloud-native development, ideally within the Azure ecosystem. 5+ years of software engineering experience with C# and/or Python. Strong proficiency in Azure services (App Services, AI Services, Functions, Logic … CD pipelines (Azure DevOps, GitHub Actions). Understanding of solution architecture principles including scalability, security, and performance optimization. Experience with Generative AI technologies, LLMs, and RAG techniques is advantageous. Front-end development experience with React, Angular, or Vue.js is desirable. The Software Solutions Engineer package: Up to £60,000 Bonus scheme Private medical cover Company 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 ❯

Frontend Engineer – React and Typescript – Hybrid 1-2 days onsite – 6-month initial contract We’re looking for a Front-End Engineer to join the DAX Ad Platform team, helping to build scalable, modular user interfaces within a modern React-based environment. You’ll play a key role in migrating features from a legacy platform to a new … architecture, ensuring performance, consistency, and maintainability across the product. What You’ll Do Contribute to the migration of legacy features into the new micro-frontend platform Build and maintain front-end features using a React + TypeScript stack Utilise and extend an internal component library to ensure consistency and scalability Implement complex form handling and validation using Formik More ❯

Frontend Engineer – React and Typescript – Hybrid 1-2 days onsite – 6-month initial contract We’re looking for a Front-End Engineer to join the DAX Ad Platform team, helping to build scalable, modular user interfaces within a modern React-based environment. You’ll play a key role in migrating features from a legacy platform to a new … architecture, ensuring performance, consistency, and maintainability across the product. What You’ll Do Contribute to the migration of legacy features into the new micro-frontend platform Build and maintain front-end features using a React + TypeScript stack Utilise and extend an internal component library to ensure consistency and scalability Implement complex form handling and validation using Formik More ❯

they are now looking for a Frontend Engineer as the business continues to scale. What will you be doing: Be responsible for taking ownership of projects and running the front-end development for their customers Build the interfaces that allow customers to choose between different products to best find the product that meets their requirements … codebase Work closely with Backend Engineers to shape and integrate APIs to ensure seamless data flow to their customers What are they looking for: Good experience within Frontend development including React and TypeScript Knowledge and experience of working with APIs Experience of establishing and using monitoring and alerting across Frontend applications If this role sounds like a More ❯

they are now looking for a Frontend Engineer as the business continues to scale. What will you be doing: Be responsible for taking ownership of projects and running the front-end development for their customers Build the interfaces that allow customers to choose between different products to best find the product that meets their requirements … codebase Work closely with Backend Engineers to shape and integrate APIs to ensure seamless data flow to their customers What are they looking for: Good experience within Frontend development including React and TypeScript Knowledge and experience of working with APIs Experience of establishing and using monitoring and alerting across Frontend applications If this role sounds like a More ❯

Trading - 140k RJC is working a Full Stack Developer role for a global energy trading company based in London. Working as part of the Global Analytics team within the Front Office, they are looking for someone to collaborate directly with the business and develop analytics applications utilised by commodity trading desks. The role demands expertise in energy market data … implementing full stack technology for commodities analytics. The ideal Full Stack Developer will have: Minimum 5+ years of experience working with C# and related .NET technologies Strong proficiency with front end development (preferably React), async patterns, and DOM manipulation Ability to interact with stakeholders to progress design and satisfy requests Experience operating and supporting bespoke … trading platforms Experience working in an agile scrum development model Apply with an up to date CV below to set up an initial call. More ❯

Must Skills: 1. Front-End Development: Build and maintain responsive, accessible web applications using React, JavaScript. 2. Accessibility Compliance: Ensure all components meet WCAG standards through accessibility testing and evaluation. 3. Tool Proficiency: Utilize tools such as GitHub, JIRA, Figma, Visual Studio Code, and CMS platforms like Magnolia and WordPress. 4. Component Design: Create reusable More ❯

Must Skills: 1. Front-End Development: Build and maintain responsive, accessible web applications using React, JavaScript. 2. Accessibility Compliance: Ensure all components meet WCAG standards through accessibility testing and evaluation. 3. Tool Proficiency: Utilize tools such as GitHub, JIRA, Figma, Visual Studio Code, and CMS platforms like Magnolia and WordPress. 4. Component Design: Create reusable 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 ❯

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 ❯

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 ❯

Java London/Hybrid Contract The Role • Should have rich knowledge in Software Development Life Cycle Methodologies; excellent communication and interpersonal skills, capable of resolving multiple complex issues and motivating team to achieve peak performance • Create a comprehensive architecture for a software solution and providing strategic direction throughout the development process. Design and develop … in designing software solutions using software architecture design principles. • Payment domain expertise and ability to drive the team, integrations, migrations, create approach. • Good to have experience in Angular, and front-end technologies. • Understanding of Kafka, PCF, Integration patterns, Security standards, Concurrency and Multi-threading, Collections, PostgreSQL, Azure, Docker, Kubernetes • Hands-on, high-energy, detail-oriented, proactive, and able … systems (Databases, caches, microservices, message broker) • API and Contract Testing using REST Assured/Postman/Swagger/SOAP UI + Groovy/Spring Cloud Contract • Test Driven Development TDD Methodology and Unit Testing using Junit/XCTest • Use of mocking frameworks such as API Service Virtualization/Mockito/OCMock • Static Code Analysis using SonarQube/ More ❯

Java London/Hybrid Contract The Role • Should have rich knowledge in Software Development Life Cycle Methodologies; excellent communication and interpersonal skills, capable of resolving multiple complex issues and motivating team to achieve peak performance • Create a comprehensive architecture for a software solution and providing strategic direction throughout the development process. Design and develop … in designing software solutions using software architecture design principles. • Payment domain expertise and ability to drive the team, integrations, migrations, create approach. • Good to have experience in Angular, and front-end technologies. • Understanding of Kafka, PCF, Integration patterns, Security standards, Concurrency and Multi-threading, Collections, PostgreSQL, Azure, Docker, Kubernetes • Hands-on, high-energy, detail-oriented, proactive, and able … systems (Databases, caches, microservices, message broker) • API and Contract Testing using REST Assured/Postman/Swagger/SOAP UI + Groovy/Spring Cloud Contract • Test Driven Development TDD Methodology and Unit Testing using Junit/XCTest • Use of mocking frameworks such as API Service Virtualization/Mockito/OCMock • Static Code Analysis using SonarQube/ More ❯

This role offers the opportunity to transform complex data into intuitive, visually engaging experiences that empower businesses to make smarter, evidence-based decisions. The Senior Product Designer will take end-to-end ownership of the design process - from research and concept creation to prototyping and delivery - working at the intersection of data, design, and technology. Collaborating closely with … performance benchmarking. Translate complex datasets into clear, engaging, and interactive user experiences. Own the full design lifecycle - from discovery and user research to UX, UI, and prototyping. Collaborate with front-end developers to ensure accessible, scalable, and sustainable design implementation. Partner with data engineering and AI teams to integrate NLP, LLM, and advanced analytics into user workflows. Define … Proficiency in design tools such as Figma and experience with prototyping and user testing. Ability to balance big-picture thinking with meticulous execution. Experience working in Agile, iterative development environments. Portfolio showcasing design process, problem-solving, and data visualisation capabilities. Candidate Profile Degree in Product Design, Interaction Design, Human–Computer Interaction, or related discipline. Strategic and user More ❯

This role offers the opportunity to transform complex data into intuitive, visually engaging experiences that empower businesses to make smarter, evidence-based decisions. The Senior Product Designer will take end-to-end ownership of the design process - from research and concept creation to prototyping and delivery - working at the intersection of data, design, and technology. Collaborating closely with … performance benchmarking. Translate complex datasets into clear, engaging, and interactive user experiences. Own the full design lifecycle - from discovery and user research to UX, UI, and prototyping. Collaborate with front-end developers to ensure accessible, scalable, and sustainable design implementation. Partner with data engineering and AI teams to integrate NLP, LLM, and advanced analytics into user workflows. Define … Proficiency in design tools such as Figma and experience with prototyping and user testing. Ability to balance big-picture thinking with meticulous execution. Experience working in Agile, iterative development environments. Portfolio showcasing design process, problem-solving, and data visualisation capabilities. Candidate Profile Degree in Product Design, Interaction Design, Human–Computer Interaction, or related discipline. Strategic and user More ❯

reliable infrastructure. Collaborating with cross-functional teams to bring new ideas to life. Tech stack Strong experience with Python web frameworks (Flask, FastAPI). Skilled in modern frontend development (React, JavaScript, HTML/CSS). Understanding of responsive design, accessibility, and UX best practices. Experience with Docker, AWS, and CI/CD pipelines. Knowledge of Git, version More ❯

reliable infrastructure. Collaborating with cross-functional teams to bring new ideas to life. Tech stack Strong experience with Python web frameworks (Flask, FastAPI). Skilled in modern frontend development (React, JavaScript, HTML/CSS). Understanding of responsive design, accessibility, and UX best practices. Experience with Docker, AWS, and CI/CD pipelines. Knowledge of Git, version More ❯