22 of 22 Web Application Development Jobs in London

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 Role**The 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 ...

Application Security Engineer (Cyber) - Financial Services Contract - Inside I35 London - Hybrid Who we're looking for Our clients Cyber Security team is looking for a Cybersecurity engineer with expertise in Application Security domain, who will be responsible to define consistent Secure Software Development Lifecycle practices … technology projects throughout the planning and delivery cycles that assure application security vulnerabilities are mitigated to tolerable levels. The successful candidate will have very strong application security, web application development experience and team leadership skills to join a growing Information Security team and assist with ...

space Drive architectural decisions and review critical design proposals, ensuring solutions are robust, maintainable, and aligned with organizational standards Team Leadership & Talent Development Lead, mentor, and develop a team of senior software engineers, fostering a culture of innovation, accountability, and continuous learning Set clear technical and professional growth expectations … direct reports; provide ongoing coaching, performance feedback, and career development guidance Recruit and retain top engineering talent, contributing to workforce planning and capability building across the digital assets engineering practice Cultivate psychological safety, inclusion, and a high‐performance team culture within a globally distributed engineering environment Delivery & Execution ...

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 ...

battery sites Develop scalable, reliable and performant backend systems Develop low-level control and dispatch systems for power management Provide platform functionality through the web application and public API Design, build and maintain backend services Contribute to technical leadership, mentorship and team best practices Balance long-term strategy … changing industry Participate in an on-call rotation and take end-to-end ownership of technical operations Requirements Experience with Go and cloud-native development, including AWS, microservices and CI/CD Strong problem-solving skills Ability to work autonomously in a collaborative environment Knowledge of database technologies Knowledge ...

both front‐end and back‐end services. Drive quality through excellent automated testing practices, including API testing to enable continuous deployment. Understand how modern web applications work end to end, from browser HTTP requests and API calls through to service‐layer logic, data handling, and page rendering. … optimise engineering workflows. Build high‐performance, reliable and scalable solutions on AWS or similar public cloud infrastructure. Any experience building modern mobile‐first web applications and components using React, TypeScript or Next.js is beneficial. Requirements Use Java with Spring Boot in an AWS (Amazon Web Services) environment ...

99405724032Posted: 2026-08-18Location: London, England, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiJob OverviewCiti is seeking a highly accomplished and visionary SVP, Digital Assets Platform Engineering Lead to spearhead the continued evolution of the Citi Integrated Digital Assets Platform (CIDAP). This is a senior leadership role requiring … culture of innovation, accountability, and continuous learningSet clear technical and professional growth expectations for direct reports; provide ongoing coaching, performance feedback, and career development guidanceRecruit and retain top engineering talent, contributing to workforce planning and capability building across the digital assets engineering practiceCultivate psychological safety, inclusion, and a high ...

harden it against all the bad actors of the internet. We drive reliability and performance on a massive scale. You will work on software development projects to keep important business generating-critical systems up and running, from code-level troubleshooting of traffic anomalies to maintenance of our services; from … intelligence, compilers, database, data mining, distributed systems, machine learning, networking, or systems. Relevant practical or internship experience with one or more of the following: web application development, Unix/Linux, mobile application development, distributed and parallel systems, machine learning, information retrieval, NLP, networking, developing large ...

harden it against all the bad actors of the internet. We drive reliability and performance on a massive scale. You will work on software development projects to keep important business generating-critical systems up and running, from code-level troubleshooting of traffic anomalies to maintenance of our services from … intelligence, compilers, database, data mining, distributed systems, machine learning, networking, or systems. Relevant practical or internship experience with one or more of the following: web application development, Unix/Linux, mobile application development, distributed and parallel systems, machine learning, information retrieval, NLP, networking, developing large ...

facets of our business and technology landscape. In this exciting role, you will support the execution of architectural and technological strategies that drive the development and implementation of initiatives rooted in Common Delivery, Services-Based Architecture, and Agility. Your leadership will be instrumental in shaping our Technology … discretion. What Will You Do? Participates in or leads part of efforts in association with solutions, roadmaps, and architectural recommendations. Depending on size of application or scope of project, facilitates and/or executes the governance process (i.e. blueprint and design reviews) for projects. Implements the strategy for stability ...

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 … backend services through REST APIs. Implement effective application state management using technologies such as Redux or NgRx. Collaborate closely with UX designers to translate designs and requirements into high-quality interfaces. Develop reusable components using modern UI component libraries. Write and maintain unit tests using tools such as Jest ...

Help us protect not only the Amazon Web Services (AWS) cloud computing environment but all of our customers as well! Since 2006, our great team at AWS has been enabling our customers to bring great ideas to life in ways that aren’t possible in traditional IT environments. With … massive scale. Similarly, our highly collaborative team is committed to each team member’s growth as our business grows.AWS Security is looking for an Application Security Engineer to help validate that our services, applications, and websites are designed and implemented to the highest security standards. You will be responsible ...

service teams to contribute to company-wide initiatives, including tasks such as patching, operating system migrations, and code updates.• Working with various internal software development teams to actively enhance systems and services within the team's scope.• Collaborating closely with experienced engineers and actively engaging in knowledge-sharing sessions … with the team.• Allocated personal development time for mastering new programming languages, honing software development skills, and crafting services to enrich your career growth.At Amazon Web Services (AWS), you will get hands-on experience with tools and services that exist outside the scope of native AWS products. ...

service teams to contribute to company-wide initiatives, including tasks such as patching, operating system migrations, and code updates.• Working with various internal software development teams to actively enhance systems and services within the team’s scope.• Collaborating closely with experienced engineers and actively engaging in knowledge-sharing sessions … with the team.• Allocated personal development time for mastering new programming languages, honing software development skills, and crafting services to enrich your career growth.At Amazon Web Services (AWS), you will get hands-on experience with tools and services that exist outside the scope of native AWS products. ...

reducing unnecessary work. Take ownership of your work, ensuring high-quality results and maintainable solutions. What will you bring along? 10+ years of PHP development, with expertise in at least one framework (Symfony, Zend preferred). 12+ years of web application development experience: you’ve seen … evolution of web tech and know how to build for the future. 6+ years working with frontend frameworks/libraries like Vue.js, React, Nuxt, or Next.js. Deep understanding of scalable web architectures: monolithic, microservices, or hybrid, you know when to use what. Strong communication skills, with the ability ...

Developer, C# 14 - Global Technology Brand - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET, C# 14, WPF, React, Angular 21, Microservices, Azure, ASP.NET Core Web API, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our clients fascinating story dates back to 1981; today they have fast become … annual R&D budget to fuel the invention of products, solutions and new technologies they are looking to expand their award winning .NET software development team. We are seeking .NET Developer candidates with experience of either web application development (.NET Core, C#) or winforms/ ...

level degree in a discipline such as: computer science, machine learning, applied statistics, mathematics, engineering or artificial intelligence7-8+ years of experience in software development, with significant full-stack web application development experience strongly preferred Experience working collaboratively with technical and non-technical team members … logging, monitoring, and overall system reliabilityExperience modeling and coaching others to use engineering best practices such as design patterns, customer-centric design, test-driven development, code refactoring, code review, and OWASP Top 10 security awarenessExperience leading in Agile teams, including coaching and modeling Agile mindsets as part of sprint ...

they have evolved into a modern consulting firm. We are seeking 4 .NET Developer to work on complex Greenfield .NET/C# software development projects within the banking arena. You will be given full project life cycle exposure and the opportunity to technically lead teams … ideal .NET Developer candidates will have strong experience on the .NET framework. We can entertain applications from .NET Developer candidates with experience in either web application development (.NET Core, C#) or windows/desktop development (C#.NET). My client can provide training in: .NET 10.0, ASP.NET ...

Amazon Development Centre (London) Limited The AppSec Security Engineer evaluates service design and architecture and performs deep‐dive security assessments to ensure applications and services meet a high security bar before launch. This role works alongside senior engineers to identify issues, drive remediation, and validate that security requirements … reviews for new and existing services, evaluating architecture documents and system designs for security risks. Threat Modelling: Identify attack vectors and security weaknesses in application architectures through structured threat‐modelling exercises. Penetration Testing: Coordinate penetration testing to validate security controls and identify exploitable vulnerabilities. Finding Management: Document, track ...

team through informal gatherings, and be the first to hear about new roles that match your expertise-so we can fast-track your application straight to the final interview stage when the perfect opportunity arises. What You’ll Do (When You Join Us) As a Java Engineer at LSEG … object-oriented programming principles, exception handling, and multithreading. Frameworks and Libraries: Familiarity with popular Java frameworks such as Spring, Spring Boot, Hibernate, and JPA. Web Technologies: Understanding of servlets, JSP, RESTful APIs, and web application development using Java. Database Skills: Working knowledge of SQL and experience ...

reviews for new and existing services, evaluating architecture documents and system designs for security risks.- Threat Modelling: Identify attack vectors and security weaknesses in application architectures through structured threat modelling exercises.- Penetration Testing: Coordinate penetration testing to validate security controls and identify exploitable vulnerabilities.- Finding Management: Document, track … communicate security findings to service teams with clear remediation guidance, and verify fixes are implemented.- Security Guidance: Advise development teams on secure coding practices, authentication/authorization mechanisms, cryptographic implementations, and data protection strategies.- Escalation Support: Identify and escalate high-severity issues through appropriate channels, ensuring timely remediation aligned ...

reviews for new and existing services, evaluating architecture documents and system designs for security risks.- Threat Modelling: Identify attack vectors and security weaknesses in application architectures through structured threat modelling exercises.- Penetration Testing: Coordinate penetration testing to validate security controls and identify exploitable vulnerabilities.- Finding Management: Document, track … communicate security findings to service teams with clear remediation guidance, and verify fixes are implemented.- Security Guidance: Advise development teams on secure coding practices, authentication/authorization mechanisms, cryptographic implementations, and data protection strategies.- Escalation Support: Identify and escalate high-severity issues through appropriate channels, ensuring timely remediation aligned ...

facets of our business and technology landscape.In this exciting role, you will support the execution of architectural and technological strategies that drive the development and implementation of initiatives rooted in Common Delivery, Services-Based Architecture, and Agility. Your leadership will be instrumental in shaping our Technology and API strategies … Company’s discretion.What Will You Do Participates in or leads part of efforts in association with solutions, roadmaps, and architectural recommendations.Depending on size of application or scope of project, facilitates and/or executes the governance process (i.e. blueprint and design reviews) for projects.Implements the strategy for stability ...

party integration marketplace Contribute to our technical architecture planning Support sales and marketing teams Skills Multiple years of industry experience in a full stack web app development role (ideally in SaaS) Great knowledge of TypeScript and an appreciation for the language Appreciation for design and digital product craftsmanship ...