13 of 13 JavaScript Engineer Jobs in London

Trading Platform Vendor, Surbiton, 30 man flat global Dev Team Pay: 80k, Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingFull Stack Javascript Software Engineer Quant Capital is urgently looking for a Full Stack Javascript Software Engineer for our high profile investment management vendor. … ensure understanding of business requirements Demonstrate self-directed and proactive approach to tackling problems and leveraging resourcesTypeScript Developers Must Have: Experience coding in JavaScript, HTML5, CSS3, Angular, React, Bootstrap or Node.js TypeScript Experience with SQL Server and MongoDB Experience with REST APIs in a microservices architecture Comprehensive knowledge ...

Senior Software Engineer I (JavaScript) Ready to build intelligent, high-impact applications that push the boundaries of modern JavaScript and AI tooling? Do you thrive in solving complex engineering challenges and shaping scalable, future-ready solutions? About the team ScienceDirect is the world's leading collection … using AI tools to help design, write, test, and improve software. About the role We are seeking a talented and self‐motivated Frontend Software Engineer with strong skills in React and Node.js and a collaborative mindset. You will work as part of a cross‐functional product development team building ...

LexisNexis Risk Solutions is seeking a Senior Software Engineer I (JavaScript) to join a cross‐functional team in London. You will build modern web applications using React and Node.js, shaping AI-assisted development workflows to speed delivery while maintaining quality and performance. You will collaborate with UX/ ...

Senior Software Engineer I (Java & JavaScript)****Do you enjoy designing and developing scalable, high-performance applications using Java and JavaScript?****About the team:**You will join the Identity & Access Management team, which owns the authentication and authorisation infrastructure underpinning Elsevier’s global product suite. We build … dimensional data modelling principles* Intermediate knowledge of multiple data storage subsystems* Confident practitioner in development languages including but not limited to: Java/J2EE, JavaScript, JSP, HTML, Node.js, React, XML, SQL, Windows, Unix.* Experience with Keycloak, Auth0, or another identity provider, including realm configuration, authentication flows, and OIDC client ...

make the booking process an intuitive and enjoyable digital experience? We're excited to execute these ideas and are looking for an experienced engineer to join us on the journey. The Role We're looking for a Lead Engineer to join our small, full-stack engineering team. … working alongside our other Senior Engineer as one of just two developers responsible for the entire Encore platform — from the customer-facing web app to our React Native mobile app, backend services, and infrastructure. You’ll join at a pivotal moment: we're mid-way through launching Encore ...

hard technical problems where poor performance or unreliable code shows. What you'll build You'll design and develop scalable applications and APIs in JavaScript, TypeScript and React, and integrate them with the Python APIs behind the platform. Your work will include: Building responsive, data-intensive web and desktop … reviews, CI/CD improvements and decisions on new tools and architecture What you'll need You don't need to be a Python engineer, but you'll work closely with Python APIs, so some familiarity helps. You should be comfortable with HTML5, CSS3, responsive design, browser compatibility ...

Who is Atominvest Our software powers the world’s leading investment firms (across private equity, VC, infrastructure, credit etc.) enabling them to efficiently manage and drive value across their core business functions of investing, fundraising ...

refocussing the CMS team on higher-value marketing work and making the wider CMS operation more scalable and manageable. As a Senior Software Engineer, you’ll support the Principal Engineer in exploring proof of concepts (POCs), deep diving into agentic opportunities and helping shape how AI can contribute … future of the platform. What you'll be doing: Support the Principal Engineer in exploring technical opportunities across the CMS and wider web and marketing platforms. Explore and prototype proof of concepts (POCs), turning promising ideas into practical options for the team. Deep dive into agentic opportunities and consider ...

inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Software Engineer III (Java & JavaScript) Do you enjoy designing and developing scalable, high-performance applications using Java and JavaScript? About the team: You will … Understanding of data modelling principles. Ability to work with complex data models. Proficiency in development languages including but not limited to: Java/J2EE, JavaScript, JSP, HTML, Node.js, React, XML, SQL, Windows, UNIX. Experience with Keycloak, Auth0, or another identity provider, including realm configuration, authentication flows, and OIDC client ...

developer to join our team in London. You will enhance our in-house frameworks and core applications, tackling new features and bug fixes with JavaScript, Node.js, and React. Collaborate with project managers, designers and engineers to tailor solutions that meet business needs, uphold quality, and embrace DevOps practices including ...

enjoy designing and developing scalable, high-performance applications using Java and JavaScript? About The Team You will join the Identity & Access Management team, which owns the authentication and authorisation infrastructure underpinning Elsevier’s global product suite. Do you enjoy designing and developing scalable, high-performance applications using Java … JavaScript? About The Team You will join the Identity & Access Management team, which owns the authentication and authorisation infrastructure underpinning Elsevier’s global product suite. We build and operate a highly available identity platform that integrates with multiple identity providers, entitlement services, and downstream APIs, running ...

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 ...

Javascript and Agile Software Developer – Central London TheClient Developerwill be responsible for thedevelopment and deliveryof all client side aspects of our product,developing new featuresandlaunching new platforms. A successful candidate will have aproven abilityin delivering customer facingJavaScript applications, in an Agile softwaredevelopment environment and a passion for building … with their day-to-day work. Monitor system performance and resolve any issues or failures in staging or production environments. Must have experience with JavaScript (vanilla JS, prototypes, scoping, design patterns, memory profiling). Track record of successful software delivery through all phases of development, including coding standards, code ...