26 to 50 of 161 Web Development Jobs in London

Web Security Engineer JavaScript

Hiring Organisation
Client Server
Location
London, United Kingdom
Salary
£ 70 K
Web Security Engineer (JavaScript/TypeScript) London/Remote to 80kDo you have expertise with web security combined with strong JavaScript/TypeScript coding skills You could be progressing your career at a global leader in Computer Vision, AI and biometric identity, whose technology protects governments, critical infrastructure … some of the world's largest enterprises against identity fraud, deepfakes and sophisticated cyber threats. As a Web Security Engineer you'll collaborate closely with the web development team to ensure security is at the centre of all web based applications. Joining a specialist security team ...

Python Web Engineer Fintech

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 100 K
Python Web Engineer Fintech70,000Quant Capital is urgently looking for a Python Web Engineer to join our high profile client.Our client is a major global financial exchange, driven by technology. They are at the bleeding edge of not only product ideas but also technology and data manipulation. They … through doing so you will help shape the architecture.Python WebEngineers Must Have:Solid Python knowledge·A commitment to writing testable, maintainable code.·Full-stack web development experience. The individual must have experience with Python based MVC web frameworks, in addition to front-end web technologies such ...

Lead Web3 Engineer - Digital Assets Platform

Hiring Organisation
Citigroup
Location
London, United Kingdom
Salary
£ 80 K
98718055280Posted: 2026-08-28Location: London, England, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: Citi26983950 Lead Web3 Engineer - Digital Assets Platform Discover your future at CitiWorking at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people … Engineer must be a highly motivated and proactive hands-on software engineer (Back End, Java Focus), have a proven ability and experience working with web applications in production. The successful candidate will be part of the core team continuing to build our Citi Integrated Digital Assets Platform (CIDAP). ...

Lead Web3 Engineer - Digital Assets Platform

Location
Greater London, England, United Kingdom
Engineer must be a highly motivated and proactive hands‐on software engineer (Back End, Java Focus), have a proven ability and experience working with web applications in production. The successful candidate will be part of the core team continuing to build our Citi Integrated Digital Assets Platform (CIDAP). … motivated individuals within Citi’s larger softwzare engineering network. We are looking for candidates who understand how to build the backend of enterprise‐grade web applications. The successful individual should understand the basics of web3 infrastructure, blockchain technology and digital assets, and must be a strong enterprise developer ...

Lead Web3 Engineer - Digital Assets Platform

Location
Greater London, England, United Kingdom
Engineer** must be a highly motivated and proactive hands-on software engineer (**Back End, Java Focus**), have a proven ability and experience working with web applications in production. The successful candidate will be part of the core team continuing to build our **Citi Integrated Digital Assets Platform (CIDAP)**. … highly motivated individuals within Citi’s larger softwzare engineering network.We are looking for candidates who understand how to build the backend of enterprise-grade web applications. The successful individual should understand the basics of web3 infrastructure, blockchain technology and digital assets, and **must be a strong enterprise developer ...

Senior Blockchain Engineer - Digital Assets Platform

Location
Greater London, England, United Kingdom
Engineer must be a highly motivated and proactive hands-on software engineer (Back End, Java Focus), have a proven ability and experience working with web applications in production. The successful candidate will be part of the core team continuing to build our Citi Integrated Digital Assets Platform (CIDAP). … large team of highly motivated individuals within Citi’s larger software engineering network. Key Responsibilities To collaborate with team members in implementation approach of web applications leveraging blockchain technology To own and to delivery functional scope end-to-end of applications leveraging blockchain technology meeting our quality standards ...

Front-End Web Developer - React, Adobe Experience Manager

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £410/day £market rate (Inside IR35)
Front-End Web Developer - React, Adobe Experience Manager £Market Rate (Inside IR35) Coventry (1-2 days a month onsite) 3 month initial contract My client is looking for an experienced Front-End Developer to deliver enhancements across a suite of customer-facing digital platforms. You'll be responsible … building modern, accessible and high-performing web applications, working closely with wider delivery teams in an Agile environment. Key Requirements Strong React development experience Adobe Experience Manager (AEM) expertise, including HTL/Sightly, Clientlibs and component development JavaScript (ES6), HTML5, CSS3, SASS/LESS and Node.js Responsive ...

Front-End Web Developer - React, Adobe Experience Manager

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£400.00 - £410.00 per day
Front-End Web Developer - React, Adobe Experience Manager £Market Rate (Inside IR35) Coventry (1-2 days a month onsite) 3 month initial contract My client is looking for an experienced Front-End Developer to deliver enhancements across a suite of customer-facing digital platforms. You'll be responsible … building modern, accessible and high-performing web applications, working closely with wider delivery teams in an Agile environment. Key Requirements Strong React development experience Adobe Experience Manager (AEM) expertise, including HTL/Sightly, Clientlibs and component development JavaScript (ES6), HTML5, CSS3, SASS/LESS and Node.js Responsive ...

application security engineer for web applications

Location
Greater London, England, United Kingdom
biometric identity. Its technology protects governments, critical infrastructure and large enterprises from identity fraud, deepfakes and sophisticated cyber threats. Задачи Collaborate with the web development team to keep security central to web-based applications Focus on offensive web security as a bridge between Security and Engineering … Perform penetration testing, reverse engineering and vulnerability assessments Identify security risks and work with developers to build secure, resilient web applications Provide expert guidance on secure coding practices Influence architecture and design decisions Embed security throughout the software development lifecycle Write and review production code. Требования Strong experience ...

Partner Solutions Engineer, EMEA

Location
Greater London, England, United Kingdom
agentic infrastructure company. We free people and agents to ship what’s next. For more than a decade, Vercel has shaped how the web is built. As the team behind Next.js, v0, and AI SDK, we create products that help builders move from idea to production with speed, security … establish best practices, author guides, lead workshops and hackathons, and build solutions for partner communities and Vercel teams. Partner Solutions Engineers require a strong web development background, especially in frontend development, cloud infrastructure, networking, and modern application development. Strong coordination skills across multiple partners and time zones ...

.Net Developer

Location
Greater London, England, United Kingdom
Description:DepartmentThe Trade Operations IT Delivery Team is one of the teams of EDF Trading IT Delivery function. The team provides comprehensive IT custom development and support for the EDFT Operational teams (Trade Capture/Controls, Scheduling, Nominations, Confirmations and Settlements). In addition to this the team also … team. A BA will typically be involved in most cases, especially for larger items.In addition, developers are expected to contribute to improving EDF Trading development processes, as well as participate in evolving the architectural road map. Emphasis is more on a Senior developer to do this, while developers ...

Frontend Developer

Location
Greater London, England, United Kingdom
experienced Front-End Developer to join an established engineering team, working on a customer-facing, search-led digital platform. This is a hands-on development role suited to someone who can quickly understand an existing codebase, collaborate effectively with product and UX teams, and begin delivering value from … outset. Key responsibilities: Develop and enhance responsive, customer-facing web applications Build new functionality using JavaScript, HTML, CSS and Bootstrap Work within an established MVC-based application architecture Integrate front-end components with APIs and back-end services Essential experience: Strong commercial JavaScript, HTML and CSS development experience ...

Campus UI Software Engineer (Intern)

Location
Greater London, England, United Kingdom
What you will do: Our Web Dev/UI software engineering internship is an intensive 10-week experience at Jump Trading. During your internship, you will use advanced Typescript, Python, and modern Web frameworks to build Web-based applications that interact with several components of our real … time trading platform. Our internship program is the primary way we identify top young software engineers for our core development team, and it’s a proven path for earning full-time or return internship opportunities at Jump Trading in London. You will take on projects working on production code ...

Junior Software Developer - Front-end

Hiring Organisation
SQUAREPOINT CAPITAL
Location
London, United Kingdom
Salary
£ 70 K
competitive edge in a high-stakes trading environment.Required Qualifications: Degree in Computer Science, Computer Engineering, or other degree with a heavy emphasis on software development,Up to 4 years experience in a relevant role such as software development,Experience in web development using a modern React ...

Software Developer - Data Platform

Hiring Organisation
SQUAREPOINT CAPITAL
Location
London, United Kingdom
Salary
£ 100 K
Position Overview:The Data Development group manages the lifecycle of data used for trading, back-testing, and research at Squarepoint. We work with quantitative researchers and tech teams to integrate, process, and serve data from a huge variety of sources into our data infrastructure.We are currently seeking new data … collaboration are encouraged, excellence is rewarded and diversity of thought and creative solutions are valued. Our emphasis is on a culture of learning, development, and growth.Data Platform is a team of Python developers working closely with technology developers and quantitative developers to design, build, test, and maintain libraries, services ...

Software Developer - Data Platform

Hiring Organisation
SQUAREPOINT CAPITAL
Location
London, UK
Employment Type
Full-time
Position Overview: The Data Development group manages the lifecycle of data used for trading, back-testing, and research at Squarepoint. We work with quantitative researchers and tech teams to integrate, process, and serve data from a huge variety of sources into our data infrastructure. We are currently seeking … collaboration are encouraged, excellence is rewarded and diversity of thought and creative solutions are valued. Our emphasis is on a culture of learning, development, and growth. Data Platform is a team of Python developers working closely with technology developers and quantitative developers to design, build, test, and maintain libraries ...

Senior Full Stack Developer (Python) - Networks, Vice President

Hiring Organisation
State Street Bank
Location
London, United Kingdom
Salary
£ 80 K
DescriptionNetworks as a Service (NAAS) is seeking a highly skilled senior level developer with network infrastructure experience add to our development team. Your goal is to deliver products to our global network team which will assist with the transformation to an automated network and network security environment. This … tremendous opportunity to join a global organization and participate in the development of the next generation network automation architecture. Ideal candidates will have well-rounded knowledge of programming languages such as python, full stack software engineering technologies, database, cloud technologies, and networking knowledge.What you will be responsible forEssential ...

full stack developer network automation

Location
Greater London, England, United Kingdom
Deliver against requirements and acceptance criteria from the Network Infrastructure team; Interface with Network Engineers to understand requirements for network devices; Collaborate with the development team daily; Work within a Scrum framework and follow SDLC processes; Work with various infrastructure technologies and third-party products. Требования: Highly experienced with … stack application technologies, including message brokers, version control, authentication, and authorization controls; Extensive experience communicating with other systems via RESTful APIs; Solid experience with web data formats including JSON and XML; Familiarity with front-end web development using HTML, Bootstrap, CSS, JavaScript, and React; Working knowledge ...

Software Development Lead, Data and Analytics

Hiring Organisation
FTI Consulting
Location
London, United Kingdom
Salary
£ 80 K
focused team where you can make a real impact. You’ll be surrounded by an open, collaborative culture that embraces diversity, recognition, professional development and, most importantly, you.Are you ready to make your impact About The RoleThe Software Solutions team is a high-velocity team that delivers bespoke data … driven solutions to our clients across the business spectrum. As experts in custom web application development, the D&A Software Solutions team delivers tech-enabled solutions in engagements spanning corporate strategy, litigation, investigations, disputes, compliance, regulatory support, financial crime, fraud, and performance improvement. The team employs a range ...

Frontend Engineer

Location
Greater London, England, United Kingdom
create seamless user experiences that enhance security and productivity for our clients. What you’ll be doing Use React to build refined components and web pages Maintain and improve website functionality, usability and brand consistency Collaborate with backend engineers and product teams to enhance integration and user experience Gather … This Role Strong proficiency in TypeScript, JavaScript, CSS, and React, with hands-on experience in markup languages In-depth understanding of the entire web development process, including design, development, and deployment Familiarity with browser testing, debugging, and practical experience with testing frameworks such as React Testing Library ...

Web Security Engineer JavaScript

Location
Greater London, England, United Kingdom
whose technology protects governments, critical infrastructure and some of the world's largest enterprises against identity fraud, deepfakes and sophisticated cyber threats. As a Web Security Engineer you'll collaborate closely with the web development team to ensure security is at the centre of all web … based applications. Joining a specialist security team, you'll focus on offensive web security, acting as the bridge between Security and Engineering. You'll perform penetration testing, reverse engineering and vulnerability assessments, identifying security risks and working closely with developers to build secure, resilient web applications from ...

Senior Web Engineer (contract)

Hiring Organisation
PaymentSense
Location
London, United Kingdom
Salary
£ 80 K
competitive advantage. We hire exceptional people and give them the autonomy, trust, and ownership to thrive. The results take care of themselves.The roleAs a Web Engineer at Dojo, you’ll join our Customer Apps team to build and scale the customer-facing applications that help businesses run smoothly. Your … work across multiple product domains—from payment device management to loyalty schemes—crafting a robust and scalable infrastructure that supports rapid feature development and helps shape the future of our customer experience.What you will do...Technically design and develop new product features using modern frontend technologies, writing high-quality, well ...

Front End Developer

Location
Greater London, England, United Kingdom
accessible user interfaces, working closely with UX designers, backend developers and wider Agile delivery teams. Key Responsibilities Develop responsive, accessible and user-friendly web interfaces. Build and enhance front-end applications using React or Angular. Work with TypeScript/JavaScript (ES6+), HTML5 and CSS3. Integrate front-end applications with … interfaces. Develop reusable components using modern UI component libraries. Write and maintain unit tests using tools such as Jest or Jasmine. Work within Agile development teams and contribute to sprint planning, refinement and delivery. Ensure applications meet WCAG accessibility standards. Use Git for version control and collaborative development. Support ...

Full Stack Developer (Next.js / React / TypeScript)

Location
City of Westminster, England, United Kingdom
Warehouse we understand that technology is core to our success as a business and so we invest heavily in our in-house team. The development department is divided into product-based teams, all using variants on Kanban for project prioritisation and a focus on continuous delivery, mostly with usage … with a combination of monolithic and microservices architectures. Key Responsibilities We are looking for a technically strong Next.js Full Stack Developer to join the Web Development team. This role is for somebody with deep commercial experience of Next.js and modern React development who enjoys solving difficult technical ...

Senior Front-End Developer

Location
Greater London, England, United Kingdom
GitHub Actions, Jest/Vitest, Playwright/Cypress, NestJS/Express, REST/GraphQL (check details from Stack Share Profile ) Responsibilities: Develop scalable, maintainable web applications regardless of framework (React, Vue, Svelte, vanilla JS) Manage customer integrations, write integration documentation, and support setup phases Analyze and deliver customer revision … external developers/customers Ensure code quality through unit/integration testing, code reviews, and performance/security improvements Requirements Develop scalable, maintainable web applications regardless of framework (React, Vue, Svelte, vanilla JS) BSc or MSc degree in Computer Science, Computer Engineering, Software Engineering or related disciplines from reputable ...