276 to 300 of 336 Front End Development Jobs in London

Java Web Engineer

Location
Greater London, England, United Kingdom
long term contract in London (City - 3 days onsite pw) The role Join a collaborative engineering team building and enhancing a modular, end-to-end trade management platform — hands-on across backend services and web UI, working closely with architects and frontend developers. What you'll need Strong ...

ASP.NET MVC Developer – Fintech Javascript

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 100 K
recently acquired financial technology business who is currently disrupting the FX trading space. They are driven by their low latency tech.The ASP.NET MVC Development role is expansionary due to a brand new international platform being created. The ASP.NET MVC Developer will be involved in greenfield platform development for a global high demand high transaction payments gateway. The frontend development of their web platform in HTML5, Javascript, angular.js and CSS3 and the backend in ASP.NET MVC and noSQL (which will be gained in experience)Day to day the developer will:Monolithic architecture ...

Lead Python Engineer API LLM - Start-up

Hiring Organisation
Client Server
Location
London, United Kingdom
Salary
£ 100 K
experienced founders in a highly collaborative environment.As a Lead Python Engineer and founding team member, you'll take ownership of the design and development of scalable, cloud-native applications, working across the full software development lifecycle, from architecture and backend services through to frontend … development, CI/CD and deployment on Azure. You'll collaborate closely with the founding team to influence technical direction, solve complex engineering challenges and establish the engineering practices that will underpin the company's future growth.You'll work primarily with Python and TypeScript, leveraging AI technologies ...

Team Lead Ruby / Frontend Developer

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 100 K
bleeding edge applications. Current UI is external and they have done a pretty good job.The Lead Frontend Developer will also be responsible for: * Development Strategy and architecture * Designing and developing new applications working in collaboration with existing team members * To design and help implement a REST … atmosphere is calm and relaxed with an open dress code. This is a role for techies, those who are motivated by the sharp end of technology and the possibility of making serious money doing something you are passionate about.My client is based in Central LondonJavascript CSS HTML Frontend ...

C# ASP.NET Developer

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
profile client.My client is a growing global Fintech business and market leaders in the invoice finance space. They are currently expanding their development team with an additional 3 developers in the City of London.The ASP.NET MVC Development role is expansionary … brand new international platform being created. The ASP.NET MVC Developer will be involved in greenfield platform development for a global high demand high transaction payments gateway. The frontend development of their web platform in HTML5, Javascript, angular.js and CSS3 and the backend in ASP.NET ...

C# ASP.NET Developer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
client. My client is a growing global Fintech business and market leaders in the invoice finance space. They are currently expanding their development team with an additional 3 developers in the City of London. The ASP.NET MVC Development role is expansionary … brand new international platform being created. The ASP.NET MVC Developer will be involved in greenfield platform development for a global high demand high transaction payments gateway. The frontend development of their web platform in HTML5, Javascript, angular.js and CSS3 and the backend in ASP.NET ...

Frontend HTML5 Developer- Slough

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
atmosphere is calm and relaxed with an open dress code. This is a role for techies, those who are motivated by the sharp end of technology and the possibility of making serious money doing something you are passionate about. Frontend Developer must have: (Below also shows tech stack) • Proven … experience in the development of web applications. (ideally high demand) • Expert in developing web applications using JQuery, JavaScript, HTML, CSS, ASP.NET, C#, Visual Studio, T-SQL and SQL Server • Some Javascript development experience • A broad technological understanding of languages, frameworks, design patterns and architectural ...

Python Developer

Hiring Organisation
NEEV LIMITED
Location
London, United Kingdom
Employment Type
Contract
IR35 Exp: 5 to 10 Years A Python + React + SQL + Databricks developer role blends backend data engineering with frontend application development, requiring strong coding skills in Python, React.js, SQL, and Databricks for building scalable, data-driven Note: Investment banking exp is required. Key Responsibilities … Backend Development (Python) Build APIs and services using Python frameworks (Flask, FastAPI, Django). Integrate with Databricks SQL endpoints for data access. Ensure performance, scalability, and security of backend systems. Databricks & Data Engineering Develop ETL pipelines and workflows using PySpark on Databricks. Work with Delta Lake, Unity ...

Principal Full Stack Software Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
depth: security, transaction management, async/reactive Microservices architecture design - has designed services from scratch Kubernetes and Docker in production (not local development use) AWS, hands-on: EKS, Lambda, S3, RDS, EventBridge CI/CD pipeline ownership Automated testing discipline: JUnit, Mockito, integration testing … Frontend: Held a lead or tech lead role on frontend development in React. Leadership must have been over React work itself. Understands and has implemented FFE/BFE separation - the split between the presentation layer (components, styling, client state) and the frontend's own server-side ...

Ruby Developer – HTML5, Rails Javascript, TDD

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 80 K
strategyTo design and help implement a REST apiHelp build a brand new web platform in RubySome Code reviewsThe project will be stabilising the development of their web based platform which is built on Java and AWS EC2 and Ruby. This project will involve getting to know … atmosphere is calm and relaxed with an open dress code. This is a role for techies, those who are motivated by the sharp end of technology and the possibility of making serious money doing something you are passionate about.My client is based in Central LondonRuby, Java, Ruby ...

Senior Software Engineer Full Stack - Start-up

Hiring Organisation
Client Server
Location
London, United Kingdom
Salary
£ 80 K
engineering standards, CI/CD pipelines and architecture alongside the CTO. Working in an AI first engineering environment, you'll use modern AI development tools to accelerate delivery while maintaining ownership of code quality, security and technical design.Location/WFH:You can work from home most … time, meeting up with colleagues in the London office once or twice a week.About you:You have strong Full Stack development experience with Node.js, TypeScript and ReactYou have experience of designing scalable APIs and cloud native applicationsYou have experience of setting up serverless architectures with modern cloud ...

Junior Ruby Developer – HTML5, Rails Javascript, TDD

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 60 K
membersTo design and help implement a REST apiHelp build a brand new web platform in RubySome Code reviewsThe project will be stabilising the development of their web based platform which is built on Java and AWS EC2 and Ruby. This project will involve getting to know … atmosphere is calm and relaxed with an open dress code. This is a role for techies, those who are motivated by the sharp end of technology and the possibility of making serious money doing something you are passionate about.My client is based in Central LondonRuby, Java, Ruby ...

Frontend Developer

Hiring Organisation
RCS Global Group
Location
London, United Kingdom
Salary
£ 70 K
This role will focus on User Interface implementation.What this role will do:• Build and maintain responsive, high-quality user interfaces using React.js, Material UI, HTML, and CSS, ensuring seamless integration of design and functionality.• Work ...

Junior Frontend Developer Angular Developer – Fintech

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
Junior Frontend Developer Angular Developer – FintechTech: Angular, C# .net, Azure, SQL, Team City, GIT, TFSChallenge: Greenfield Trading platform, API development, industry specific challengesFirm: Well-known Insurtech software business, London, 10 man flat Dev TeamUp to 45,000Quant is urgently looking for an Angular Developer to join … atmosphere is calm and relaxed with an open dress code. This is a role for techies, those who are motivated by the sharp end of technology and the possibility of making serious money doing something you are passionate about.My client values Microsoft certifications, and will give you support ...

Senior Frontend Developer

Location
Greater London, England, United Kingdom
with engineers responsible for the quality of what they ship. AI is genuinely part of the engineering workflow This isn't a traditional development environment that has recently added an AI tool. The engineering model has been designed around agentic development from the outset … . You’ll use Claude Code as a core part of your daily development workflow , working from structured designs to generate components, Storybook stories and tests together. The important part isn't simply generating code. As a Senior Engineer, you'll be expected to understand ...

Junior .NET Core Developer- London

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 60 K
atmosphere is calm and relaxed with an open dress code. This is a role for techies, those who are motivated by the sharp end of technology and the possibility of making serious money doing something you are passionate about.Technically you will have a proven interest and ability in developing … systems which will include developing software, refactoring code, designing systems and working on solutions with a range of other technical personnel.Participate in the development of all cloud-based software.Write Unit and Integration tests for the code developed.Review code from other members of the development ...

Junior .NET Core Developer- London

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
atmosphere is calm and relaxed with an open dress code. This is a role for techies, those who are motivated by the sharp end of technology and the possibility of making serious money doing something you are passionate about. Technically you will have a proven interest and ability … which will include developing software, refactoring code, designing systems and working on solutions with a range of other technical personnel. Participate in the development of all cloud-based software. Write Unit and Integration tests for the code developed. Review code from other members of the development ...

.NET Engineer, Software Engineer

Hiring Organisation
Sanderson
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £58,000 per annum
office Key Responsibilities Design and develop .NET applications and APIs Build scalable, secure and maintainable backend services Develop and maintain automated unit, integration and end to end tests Collaborate with frontend developers to deliver integrated solutions Write clean, well structured and maintainable code Use Claude Code to improve … development productivity and code quality Support CI/CD Pipelines and deployment processes Skills Experience of .NET and ASP.NET Core Experience of designing and building APIs Experience of Claude Code Testing knowledge Azure background Strong understanding of CI/CD pipelines Excellent problem solving and communication skills ...

Junior Frontend Developer – Fintech

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
platform. The Developer will be able to shape this greenfield platform as they like.This role will involve some backend but mostly frontend development of the GUI and Data display for the Quant Team. Current Stack is Javascript with Frameworks with Raw HTML5 CSS3 and Python … greater performance is needed. You will be encouraged to evangelise and prototype new technologies and through doing so you will help shape the architecture.Front End Developers Must Have:A degree in computer science or 1-2 years of frontend developmentUI experienceA keen interest in data visualization, interaction design ...

Principal Java Software Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
depth: security, transaction management, async/reactive Microservices architecture design - has designed services from scratch Kubernetes and Docker in production (not local development use) AWS, hands-on: EKS, Lambda, S3, RDS, EventBridge CI/CD pipeline ownership Automated testing discipline: JUnit, Mockito, integration testing … Frontend: Held a lead or tech lead role on frontend development in React. Leadership must have been over React work itself. Understands and has implemented FFE/BFE separation - the split between the presentation layer (components, styling, client state) and the frontend's own server-side ...

Principal Software Engineer

Hiring Organisation
Profile 29
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
depth: security, transaction management, async/reactive Microservices architecture design - has designed services from scratch Kubernetes and Docker in production (not local development use) AWS, hands-on: EKS, Lambda, S3, RDS, EventBridge CI/CD pipeline ownership Automated testing discipline: JUnit, Mockito, integration testing … Frontend: Held a lead or tech lead role on frontend development in React. Leadership must have been over React work itself. Understands and has implemented FFE/BFE separation - the split between the presentation layer (components, styling, client state) and the frontend's own server-side ...

Senior Java Web Engineer

Location
Greater London, England, United Kingdom
partnering with cross-functional teams to deliver scalable, reliable, and high-quality software solutions. Role Responsibilities and Key Accountabilities Contribute to the design, development, and implementation of backend services and web applications. Write clean, maintainable, and well-tested code following established engineering best practices. Participate in technical … version control (Git) and build tools (Maven/Gradle). Strong focus on clean code, unit testing, and code reviews. Familiar with Agile development practices. Comfortable working in Linux/Unix environments. Other Desirable Skills Experience with JSF/JSP applications and legacy UI technologies. Familiarity with ...

Senior Frontend Engineer

Location
Greater London, England, United Kingdom
diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision … external developers.* Stay current with frontend security best practices and contribute to platform-wide improvements.What You'll bring:* Proven of experience in frontend development, with deep expertise in React, TypeScript, and modern JavaScript.* Proven experience designing and maintaining SDKs or libraries used by other developers.* Strong understanding ...

Senior Frontend Engineer

Hiring Organisation
London Stock Exchange Group
Location
London, United Kingdom
Salary
£ 80 K
diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision … external developers.Stay current with frontend security best practices and contribute to platform-wide improvements.What You'll bring:Proven of experience in frontend development, with deep expertise in React, TypeScript, and modern JavaScript.Proven experience designing and maintaining SDKs or libraries used by other developers.Strong understanding of OAuth2, OpenID ...

Senior Frontend Engineer

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision … developers. Stay current with frontend security best practices and contribute to platform-wide improvements. What You'll bring: Proven of experience in frontend development, with deep expertise in React, TypeScript, and modern JavaScript. Proven experience designing and maintaining SDKs or libraries used by other developers. Strong understanding ...