City Of London, England, United Kingdom Hybrid / WFH Options
SGI
Software Engineer | FrontEnd - React | London - Hybrid Our client is a forward-thinking global firm that’s redefining the future of finance through technology. They are looking for a Front-End React Engineer who’s passionate about clean design, performance, and scalability, someone who thrives on combining creativity with technical precision. The Opportunity You’ll … tools, platforms, and applications that empower investment professionals across the business. The team is currently re-architecting its technology stack to become fully cloud-native (AWS), using React for front-enddevelopment and Python for backend services. You’ll be working in a culture that values craftsmanship, test-driven development, clean code … and collaboration through pair programming and code reviews. What You’ll Do Build dynamic front-end applications and UI components using React, TypeScript, and modern libraries. Collaborate with UX and product teams to refine user journeys and ensure intuitive design. Deliver scalable and testable code within a cloud-native architecture. Partner with portfolio managers, researchers, and analysts to More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
SGI
Software Engineer | FrontEnd - React | London - Hybrid Our client is a forward-thinking global firm that’s redefining the future of finance through technology. They are looking for a Front-End React Engineer who’s passionate about clean design, performance, and scalability, someone who thrives on combining creativity with technical precision. The Opportunity You’ll … tools, platforms, and applications that empower investment professionals across the business. The team is currently re-architecting its technology stack to become fully cloud-native (AWS), using React for front-enddevelopment and Python for backend services. You’ll be working in a culture that values craftsmanship, test-driven development, clean code … and collaboration through pair programming and code reviews. What You’ll Do Build dynamic front-end applications and UI components using React, TypeScript, and modern libraries. Collaborate with UX and product teams to refine user journeys and ensure intuitive design. Deliver scalable and testable code within a cloud-native architecture. Partner with portfolio managers, researchers, and analysts to More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Verdantix
important goals. The role Reporting to the Product Director, the Fullstack Developer will be a key member of the Engineering team responsible for designing and implementing the customer-facing frontend for Verdantixs new software catalogue product as well as future AI-powered applications. This includes development of new web applications that integrate with backend … completion. What youll be doing Build and maintain customer-facing websites and applications for Verdantixs software catalogue and AI-powered products. Translate UX designs into responsive, performant, and scalable front-end experiences. Host new web platforms handing user permissioning and authentication in a manner that creates a single sign on UX for customers and is interoperable across various … platform builds. Develop and maintain APIs and integrations to connect frontend with backend services and databases. Implement AI-enabled interfaces (e.g., semantic search, conversational UX) in collaboration with Product and Data Science teams. Create interactive data visualizations to present complex datasets to customers. Ensure best practices in performance, accessibility, and security across platforms. Capable of balancing between More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Verdantix
important goals. The role... Reporting to the Product Director, the Fullstack Developer will be a key member of the Engineering team responsible for designing and implementing the customer-facing frontend for Verdantix’s new software catalogue product as well as future AI-powered applications. This includes development of new web applications that integrate with … you’ll be doing... Build and maintain customer-facing websites and applications for Verdantix’s software catalogue and AI-powered products. Translate UX designs into responsive, performant, and scalable front-end experiences. Host new web platforms handing user permissioning and authentication in a manner that creates a single sign on UX for customers and is interoperable across various … platform builds. Develop and maintain APIs and integrations to connect frontend with backend services and databases. Implement AI-enabled interfaces (e.g., semantic search, conversational UX) in collaboration with Product and Data Science teams. Create interactive data visualizations to present complex datasets to customers. Ensure best practices in performance, accessibility, and security across platforms. Capable of balancing between More ❯
Espire Infolabs is hiring for FrontEnd Developer(React.js) for London, UK location. Role : FrontEnd Developer(React.js) Location: London, UK(3 Days/Week onsite) Desired Industry Experience: 5+ years Relevant Experience: React.Js, Typescript, Azure Job Description: Proven experience as a Front-End Developer with a focus on React.js, and Typescript. Familiarity with … C# and .Net. Strong proficiency in JavaScript, ES6/ES7, and related front-end technologies. Familiarity with state management libraries such as Redux. Experience with version control systems, such as Git. Experience with the Web Content Accessibility Guidelines. Knowledge of responsive web design principles and CSS frameworks. Understanding of RESTful APIs and asynchronous data retrieval. Experience with unit More ❯
london (city of london), south east england, united kingdom
Burns Sheehan
and execute their scientific workflows. You'll work at the intersection of backend, cloud, and frontend a backend weighted role where you'll also interact with APi's and frontend code in a Senior IC capacity. Youll be a hands-on contributor who can move fluidly across the stack while also influencing architectural design. Experience building scalable … software in Python, contributing to the end to end software development process Ability to contribute in areas such as DevOps (Kubernetes) and Frontenddevelopment (ReactJS modifications) Experience working with AWS Experience influencing the architecture and design of applications Tech Stack - Python, ReactJS, Kubernetes, APi's, websockets, AWS Contract Python More ❯
and execute their scientific workflows. You'll work at the intersection of backend, cloud, and frontend — a backend weighted role where you'll also interact with APi's and frontend code in a Senior IC capacity. You’ll be a hands-on contributor who can move fluidly across the stack while also influencing architectural design. Experience building … scalable software in Python, contributing to the end to end software development process Ability to contribute in areas such as DevOps (Kubernetes) and Frontenddevelopment (ReactJS modifications) Experience working with AWS Experience influencing the architecture and design of applications Tech Stack - Python, ReactJS, Kubernetes, APi's, websockets, AWS Contract More ❯
tailored solutions Contribute to architectural decisions and establish development standards for a greenfield application Participate in the migration of legacy monolithic systems to microservices (Optional) Support front-enddevelopment using ReactJS across related applications Required Experience: Expert-level proficiency in C# with a strong grasp of recent language features and .NET ecosystem … handling large-scale market data in low-latency or real-time environments Hands-on experience converting monolithic applications into microservices Desirable: Exposure to ReactJS or willingness to contribute to front-enddevelopment when needed This role offers the chance to work on a high-impact, greenfield build in a fast-paced trading environment, with direct More ❯
london (city of london), south east england, united kingdom
Caspian One
tailored solutions Contribute to architectural decisions and establish development standards for a greenfield application Participate in the migration of legacy monolithic systems to microservices (Optional) Support front-enddevelopment using ReactJS across related applications Required Experience: Expert-level proficiency in C# with a strong grasp of recent language features and .NET ecosystem … handling large-scale market data in low-latency or real-time environments Hands-on experience converting monolithic applications into microservices Desirable: Exposure to ReactJS or willingness to contribute to front-enddevelopment when needed This role offers the chance to work on a high-impact, greenfield build in a fast-paced trading environment, with direct More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Talent
Java Developer you will be responsible for: Design and develop modern, cloud-based services using Java and Node.js. Build and maintain microservices and UI components, ensuring seamless integration between front-end interfaces and back-end APIs. Implement event-driven solutions using Kafka and other messaging technologies. Develop, deploy, and manage scalable applications on AWS cloud infrastructure. Work … Define and manage cloud infrastructure using Infrastructure as Code (IaC) tools such as Terraform. Create, maintain, and optimize CI/CD pipelines using GitLab CI. Collaborate with designers and front-end developers to deliver modern, responsive UI experiences. As a Lead Developer you will have the following experience: Proven experience leading and mentoring development teams. … Extensive hands-on experience developing modern cloud-native applications using Java and Node.js. Strong background in microservices architecture, including both front-end (UI) and API components. Proficiency in Kafka and event-driven design patterns. Deep understanding of AWS cloud services and architecture best practices. Strong experience with NoSQL (MongoDB) and SQL databases. Expertise in containerization with Docker and More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Talent
Java Developer you will be responsible for: Design and develop modern, cloud-based services using Java and Node.js. Build and maintain microservices and UI components, ensuring seamless integration between front-end interfaces and back-end APIs. Implement event-driven solutions using Kafka and other messaging technologies. Develop, deploy, and manage scalable applications on AWS cloud infrastructure. Work … Define and manage cloud infrastructure using Infrastructure as Code (IaC) tools such as Terraform. Create, maintain, and optimize CI/CD pipelines using GitLab CI. Collaborate with designers and front-end developers to deliver modern, responsive UI experiences. As a Lead Developer you will have the following experience: Proven experience leading and mentoring development teams. … Extensive hands-on experience developing modern cloud-native applications using Java and Node.js. Strong background in microservices architecture, including both front-end (UI) and API components. Proficiency in Kafka and event-driven design patterns. Deep understanding of AWS cloud services and architecture best practices. Strong experience with NoSQL (MongoDB) and SQL databases. Expertise in containerization with Docker and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Dunbar Brown Group
Dunbar Brown Group are excited to be working retained with our London based customer. We are looking for a Senior FrontEnd Engineer to join a growing team for a business that is a market leader in their field. This person will drive their frontend solution and will have 5-8 years experience working as … FrontEnd Engineer. This will be developing UI components in Typescript, working on web performance optimisation, ensuring code quality through unit testing. Experience integrating frontend components with Headless CMS. The role is hybrid with 2-3 working days in their central London office. *Please note that candidates need full right to work in the UK More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Dunbar Brown Group
Dunbar Brown Group are excited to be working retained with our London based customer. We are looking for a Senior FrontEnd Engineer to join a growing team for a business that is a market leader in their field. This person will drive their frontend solution and will have 5-8 years experience working as … FrontEnd Engineer. This will be developing UI components in Typescript, working on web performance optimisation, ensuring code quality through unit testing. Experience integrating frontend components with Headless CMS. The role is hybrid with 2-3 working days in their central London office. *Please note that candidates need full right to work in the UK More ❯
hands-on technical role that blends creativity, collaboration, and engineering excellence, ideal for someone who thrives in fast-paced, high-growth environments. What You’ll Bring 5+ years of front-enddevelopment experience building large-scale web applications. Expertise in React, TypeScript/JavaScript, HTML, and CSS . A strong appreciation for UI/UX … Fresh from a £100m AI start-up exit , they’re focusing all their attention on this next big venture. This is an outstanding opportunity to design and deliver the front-end of a platform that’s redefining how businesses interact with data. If you’re a passionate engineer who loves solving complex problems through clean, intelligent design — let More ❯
london (city of london), south east england, united kingdom
Impala Search
hands-on technical role that blends creativity, collaboration, and engineering excellence, ideal for someone who thrives in fast-paced, high-growth environments. What You’ll Bring 5+ years of front-enddevelopment experience building large-scale web applications. Expertise in React, TypeScript/JavaScript, HTML, and CSS . A strong appreciation for UI/UX … Fresh from a £100m AI start-up exit , they’re focusing all their attention on this next big venture. This is an outstanding opportunity to design and deliver the front-end of a platform that’s redefining how businesses interact with data. If you’re a passionate engineer who loves solving complex problems through clean, intelligent design — let More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
JDL Recruitment
Development Director UK & Europe Remote/Hybrid/Site My client is … building the next generation of AI infrastructure sustainable, high-performance data campuses powering Europes AI revolution. As Development Director for the UK & Europe , youll lead the front-enddevelopment of landmark data center projects, guiding them from site acquisition through design, permitting, and handover to construction. Youll shape regional strategy, build and … for someone who thrives on both strategy and execution, a doer who inspires teams, manages complexity across borders, and drives results at pace. What Youll Do Lead the development lifecycle for major AI infrastructure projects across Europe Drive regional growth strategy aligned with emerging AI and compute needs Build and guide high-performing teams and partnerships Manage More ❯
City of London, London, United Kingdom Hybrid / WFH Options
JDL Recruitment
Development Director – UK & Europe 📍 Remote/Hybrid/Site My client is building the … next generation of AI infrastructure sustainable, high-performance data campuses powering Europe’s AI revolution. As Development Director for the UK & Europe , you’ll lead the front-enddevelopment of landmark data center projects, guiding them from site acquisition through design, permitting, and handover to construction. You’ll shape regional strategy, build … someone who thrives on both strategy and execution, a doer who inspires teams, manages complexity across borders, and drives results at pace. What You’ll Do Lead the development lifecycle for major AI infrastructure projects across Europe Drive regional growth strategy aligned with emerging AI and compute needs Build and guide high-performing teams and partnerships Manage More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Arrows
Senior Developer |React |TypeScript| Node | 3 Months | Up to 550 per day (Outside IR35) Were looking for a skilled FrontEnd Developer to join a fast-paced project environment. Youll work closely with a cross-functional team to deliver high-quality, scalable web applications using modern technologies. Key skills: Essential: Strong commercial experience with JavaScript , React , and Node.js … Proven ability with TypeScript and modern front-enddevelopment practices Experience integrating APIs and building performant, responsive interfaces Familiarity with modern tooling and CI/CD pipelines Confident using Git and working in collaborative environments Whats on offer: 3-month initial contract with potential for extension Up to 550 per day, Outside IR35 Hybrid working More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Arrows
Senior Developer |React |TypeScript| Node | 3 Months | Up to £550 per day (Outside IR35) We’re looking for a skilled FrontEnd Developer to join a fast-paced project environment. You’ll work closely with a cross-functional team to deliver high-quality, scalable web applications using modern technologies. Key skills: Essential: Strong commercial experience with JavaScript , React … and Node.js Proven ability with TypeScript and modern front-enddevelopment practices Experience integrating APIs and building performant, responsive interfaces Familiarity with modern tooling and CI/CD pipelines Confident using Git and working in collaborative environments What’s on offer: 3-month initial contract with potential for extension Up to £550 per day, Outside More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Impellam Group
Frontend developers to support a large-scale transformation aimed at modernising their IT Suite across all business layers. Your primary responsibility will be to accelerate the migration of their front-end from Vue to React in applications that support their crew operations. You will work closely with the product lead, who is tasked with leading the adoption of … analytical solutions. Rate: 700 Inside Location: Heathrow Airport, London Hybrid: Flexible Duration: 3months Requirements: Extensive experience building comprehensive UI using React and Vue (6years +) Deep understanding of modern front-enddevelopment best practices and architecture Experience with component-based architecture and design systems Experience working with diverse stakeholders such as; third-party partners, executive More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Impellam Group
Frontend developers to support a large-scale transformation aimed at modernising their IT Suite across all business layers. Your primary responsibility will be to accelerate the migration of their front-end from Vue to React in applications that support their crew operations. You will work closely with the product lead, who is tasked with leading the adoption of … analytical solutions. Rate: 700 Inside Location: Heathrow Airport, London Hybrid: Flexible Duration: 3months Requirements: Extensive experience building comprehensive UI using React and Vue (6years +) Deep understanding of modern front-enddevelopment best practices and architecture Experience with component-based architecture and design systems Experience working with diverse stakeholders such as; third-party partners, executive More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Stanford Black Limited
Front Office Full-Stack Engineer Java/React London 3/2 Hybrid Working up to 100,000 base + discretionary bonus I am partnered with a global financial institution undergoing an exciting multi-year technology transformation. Youll play a key role in modernising the Rates and Credit Fixed Income technology landscape - designing and delivering cutting-edge solutions that … closely with business stakeholders and technologists to deliver scalable, reliable, and future-proof applications. Key Responsibilities: Develop a suite of modern, real-time microservices to support trading workflows. Drive end-to-end solution design, collaborating across teams and tech domains. Partner with business stakeholders to deliver impactful features quickly and effectively. Ensure the platform is scalable, maintainable, and … understanding of concurrency, collections, and object-oriented design. Familiarity with distributed systems, event-driven architectures, and microservice frameworks. Experience working with real-time data. Exposure or an interest in front-enddevelopmentMore ❯
City of London, London, United Kingdom Hybrid / WFH Options
Stanford Black Limited
Front Office Full-Stack Engineer – Java/React London 3/2 Hybrid Working up to £100,000 base + discretionary bonus I am partnered with a global financial institution undergoing an exciting multi-year technology transformation. You’ll play a key role in modernising the Rates and Credit Fixed Income technology landscape - designing and delivering cutting-edge solutions … closely with business stakeholders and technologists to deliver scalable, reliable, and future-proof applications. Key Responsibilities: Develop a suite of modern, real-time microservices to support trading workflows. Drive end-to-end solution design, collaborating across teams and tech domains. Partner with business stakeholders to deliver impactful features quickly and effectively. Ensure the platform is scalable, maintainable, and … understanding of concurrency, collections, and object-oriented design. Familiarity with distributed systems, event-driven architectures, and microservice frameworks. Experience working with real-time data. Exposure or an interest in front-enddevelopmentMore ❯
london (city of london), south east england, united kingdom
Rothstein Recruitment
a growing, fast-moving engineering team. The role suits a technically strong developer who enjoys building new solutions, solving complex integration challenges, and taking ownership across the full development lifecycle. Key Responsibilities Collaborate with senior Java engineers and Agile transformation teams to design, architect and deliver greenfield, brownfield and integration applications using best development … Confluence, Bitbucket) for workflow tracking and KPI monitoring. Build trusted relationships with stakeholders across business, QA, infrastructure, and security teams. About You Proven experience in server-side software development with Java 11+ and practical knowledge of SQL (DB2, SQL Server, or Postgres). Strong understanding of design patterns, microservices architecture, RESTful APIs . Some capability in … front-enddevelopment (JavaScript, React, Node.js, HTML, CSS). Comfortable working in an Agile engineering environment , familiar with build tools, static/dynamic code analysis , and CI/CD pipelines (e.g., Jenkins, TeamCity). Strong communicatorclear, collaborative, and proactive. Educated to degree level (or equivalent professional experience). Desirable Skills Experience with Elastic (ELK) stack More ❯
a growing, fast-moving engineering team. The role suits a technically strong developer who enjoys building new solutions, solving complex integration challenges, and taking ownership across the full development lifecycle. Key Responsibilities Collaborate with senior Java engineers and Agile transformation teams to design, architect and deliver greenfield, brownfield and integration applications using best development … Confluence, Bitbucket) for workflow tracking and KPI monitoring. Build trusted relationships with stakeholders across business, QA, infrastructure, and security teams. About You Proven experience in server-side software development with Java 11+ and practical knowledge of SQL (DB2, SQL Server, or Postgres). Strong understanding of design patterns, microservices architecture, RESTful APIs . Some capability in … front-enddevelopment (JavaScript, React, Node.js, HTML, CSS). Comfortable working in an Agile engineering environment , familiar with build tools, static/dynamic code analysis , and CI/CD pipelines (e.g., Jenkins, TeamCity). Strong communicator—clear, collaborative, and proactive. Educated to degree level (or equivalent professional experience). Desirable Skills Experience with Elastic (ELK More ❯