1 to 25 of 28 Senior Web Engineer Jobs in England

Senior Java Web Engineer

Location
Greater London, England, United Kingdom
Senior Java Web Engineer About the Role Cognizant is seeking a highly technical, hands-on Java Developer to join a dynamic engineering team focused on building and enhancing enterprise-scale applications. The team is responsible for developing innovative, high-performance technology solutions that support complex business processes … deliver exceptional user experiences. This role involves the maintenance and enhancement of existing backend and web-based applications, while also contributing to the evolution of modern digital platforms and web user interfaces. The successful candidate will work in a collaborative Agile environment, partnering with cross-functional teams ...

Senior Java Web Engineer - Scalable backend & React UI

Location
Greater London, England, United Kingdom
Cognizant is seeking a highly technical, hands-on Senior Java Web Engineer to join an engineering team building enterprise-scale applications. You will maintain and enhance backend services and web interfaces while contributing to modern digital platforms and UI components. In a collaborative Agile environment ...

Senior Java Web Engineer – Trade Platform Backend & UI

Location
Greater London, England, United Kingdom
Virtual Hire Staffing is seeking a Mid/Senior Java Web Engineer for a leading global financial markets infrastructure client in London. The role involves hands-on work across backend services and web UI, delivering a modular end-to-end trade management platform in collaboration with ...

Senior Web Runtime Engineer: High‐Performance WebAssembly

Location
Brighton, England, United Kingdom
Unity is seeking a Senior Software Engineer to join the Web Platform team. You will own meaningful areas of the Web runtime, optimize Web build targets, and work with teams across Unity to deliver fast, reliable browser-based experiences. The role emphasizes solving deep, multi ...

Senior Software Engineer, Web Platform

Location
Brighton, England, United Kingdom
opportunity We are hiring for a Senior Software Engineer to join our Web Platform team here at Unity. Unity's Web platform lets games and real-time 3D content run in a browser, on any internet connected device. Browser capability has moved fast, browser gaming … going through a revival, and the Unity Web runtime is what makes it possible. Our work also supports an exciting new partnership with a major platform, which puts what this team builds in front of audiences at a scale few browser platforms reach. In this role, you will ...

Senior Frontend Engineer (Web & App)

Location
Maidstone, England, United Kingdom
sectors. We've helped ambitious brands grow faster, smarter, and globally. The Role Our Rewards Tech team is growing! We're looking for a Senior Frontend Engineer to join our team in Maidstone. In this role you will own the frontend across our Cashback and Custard apps … with product and backend Build and maintain automated end-to-end tests so staging is stable and releases are predictable Raise the standard of web and app UX across both reward brands Work full stack where it counts, partnering with our backend developers on the Python services behind ...

Senior Software Engineer, Web Development – AI

Location
Manchester, England, United Kingdom
world while gaining meaningful experience across a variety of disciplines. What does the team work on? The Ads Customer Interfaces team develops full-stack web application services, APIs, and UIs that provide a unified approach to interfacing with internal and external customers across Roku's suite of advertising products. … television and streaming media worldwide, continued success stems from experienced software engineers like you developing core features for the Roku platform. Our new Senior Software Engineer will be contributing extensively to our container orchestrated platform, bringing together some of the latest web technologies with Ai expertise ...

Senior Full-Stack Web Engineer: Scala/React, Mobile Migration

Location
City Of London, England, United Kingdom
FlexTrade is seeking a Senior Web Developer to join the FlexONE team and own critical product surfaces across web and mobile apps. You’ll work end-to-end on a Scala + Play backend and a React + AG-Grid frontend, using gRPC for communication with … core product’s backend systems. You will lead the technical direction as we build our Web app from an MVP to a comprehensive companion to the desktop application, as well as continuing the evolution of our Mobile app. #J-18808-Ljbffr ...

Senior AI Software Engineer — Scale Cloud Web Apps

Location
Manchester, England, United Kingdom
Roku is seeking a Senior Software Engineer to contribute to its containerized web platform, combining modern web tech with AI to build scalable, reliable cloud-based applications. You’ll work across frontend and backend services, delivering high-impact features used by millions of TV streamers. ...

Senior Web App Support Engineer (React + ASP.NET) – Canary Wharf

Location
City Of London, England, United Kingdom
Adecco is seeking a Web Application Support Engineer for a leading financial institution in London. The role is Canary Wharf-based, three days onsite, with a 416.00 daily umbrella rate, and a contract length up to 2 years for strong candidates. You will provide expert support for web ...

Senior Web-Scale Crawling Engineer

Location
Greater London, England, United Kingdom
United States Digital Space LLC is seeking a Senior Software Engineer based in Greater London to develop system for web-scale crawling of content for AI-powered solutions. Candidates should have extensive experience in backend systems and proficiency in Go or C++. The role focuses on building ...

Senior Full-Stack Engineer: Drive Web Product Impact

Location
Greater London, England, United Kingdom
Praktika.ai seeks a Senior Full-Stack Engineer to own every web-facing surface — onboarding flows, landing pages, customer portals, web app and internal tools. This full-cycle role lets you shape product direction, run experiments, ship features end-to-end, and measure impact on conversion, retention ...

Senior Frontend Engineer — Real-Time Web & UX Lead

Location
West of England, England, United Kingdom
Intermedia Intelligent Communications is seeking a Senior Frontend Engineer to lead the development of scalable, real-time web experiences. You will design and implement high-quality components, collaborate with product and UX teams, and drive frontend architecture decisions across channels. You will mentor engineers, champion accessibility ...

Senior Frontend Engineer: Real-Time Web & UX

Location
Greater London, England, United Kingdom
Intermedia, a leading cloud communications company, invites a Senior Frontend Engineer to shape real-time conversations and embedded experiences across our web channels. You will influence frontend architecture and drive scalable patterns from design to production. You will collaborate with Product, UX, ML, and backend teams, mentor ...

Senior Red Team Engineer – Web Security (Hybrid UK)

Location
City Of London, England, United Kingdom
leading biometric solutions provider in the UK is seeking an experienced Red Team Engineer. This role focuses on web platforms and requires outstanding skills in ethical hacking and penetration testing. The ideal candidate will execute security assessments and collaborate with teams to enhance security measures. This position offers ...

Senior Frontend Engineer, Marketing Website London

Location
Greater London, England, United Kingdom
Kleiner Perkins, GV, and Evantic Capital, alongside the founders and operators of Stripe, Datadog, Miro, and Webflow. About the role As a Senior Frontend Engineer on our Website team, you'll be a co-owner of the platform behind synthesia.io: the component library, content model and rendering stack … champion its adoption with the people who publish on it. What we're looking for At least five (5) years as a software engineer, including three (3) at senior level, building front end for content-driven or marketing platforms. Real ownership of a content model in Sanity. ...

Mid‐Senior Full‐Stack Engineer: Build Scalable Web Apps

Location
Greater London, England, United Kingdom
Insurance is seeking a Full‐stack Engineer to build robust, scalable software for web‐based applications and enhance the Ki platform. You will design, implement and maintain APIs, collaborate with Product and UX, and drive quality through automated tests and code reviews. The role requires mid‐senior level experience across a modern web stack, with JVM backend expertise, React/TypeScript front‐end skills and a strong focus on responsive UI and scalable cloud infrastructure. #J-18808-Ljbffr ...

Senior Front-End Engineer - React & Enterprise Web Apps

Location
Greater London, England, United Kingdom
Synapri in London is seeking a Senior Front-End Engineer to join our software business in the investment management space. This hands-on role involves turning ideas into digital experiences and delivering projects to a high standard from day one. You'll work on client-facing projects ...

Senior Full-Stack Engineer: Build Scalable Web Apps

Location
Greater London, England, United Kingdom
seeking a Full-stack Engineer to build robust, scalable web-based software and enhance the Ki platform. You will design, build, test, and maintain APIs and integrations, while collaborating with Product and UX to deliver features with top-tier user experience. You will work across a modern web ...

Senior Full-Stack Engineer, AI-Driven & High-Traffic Web

Location
Greater London, England, United Kingdom
CoinDesk is seeking a Senior Full-Stack Engineer to join the Media Engineering team. You will own complex features across web, mobile apps, and services, with a focus on performance, reliability, and security. You will work with Next.js, React, Node.js, and TypeScript, applying automated testing and DevSecOps ...

Senior Full-Stack Engineer — AI-Driven Web Apps

Location
Greater London, England, United Kingdom
J.P. Morgan in London seeks a Full Stack Engineer to design, build, and support scalable web applications and integrations using Java, Python, and React. You will collaborate with product, marketing, and partners to translate requirements into technical solutions and contribute to AI initiatives for content generation and personalization. ...

Senior C# Full-Stack Engineer for Scalable Web Apps

Location
Metropolitan Borough of Solihull, England, United Kingdom
Convergence Group in Solihull seeks a Full Stack Software Engineer with strong C# skills to design and build the next generation of software powering the business. The role focuses on creating scalable web apps using C#, JavaScript, React/Blazor, and Azure services, with emphasis on robust front ...

Senior FinTech Fullstack Engineer: Lead iOS/Android & Web

Location
Greater London, England, United Kingdom
Onyx-Conseil is seeking a Senior Fullstack Software Developer to join its growing fintech team in London. The role focuses on leading the technical arm, delivering high-performance mobile and web apps, and coordinating rapid iterations in an agile environment. You will work with React, Swift/Objective ...

Senior Product Engineer: End-to-End AI Web Apps

Location
Greater London, England, United Kingdom
Fuse Energy is looking for a Product Engineer to join their London team. In this role, you'll own features from architecture to production, collaborating with engineers to create responsive web applications using TypeScript, React, and Next.js. We're seeking individuals with a strong portfolio in consumer-facing ...

Senior Laravel Engineer - Remote/Hybrid, Modern Web Apps

Location
Greater London, England, United Kingdom
CodePark LTD is looking for a skilled Laravel Developer to build modern web applications in a hybrid London-friendly environment. You will develop and maintain Laravel applications, integrate APIs, and design scalable RESTful services. Join a collaborative team, work on cutting-edge projects, and contribute to code quality through ...