11 of 11 JavaScript Engineer Jobs in London

Senior Software Engineer I (Java & JavaScript)

Location
Greater London, England, United Kingdom
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 ...

Lead JavaScript Engineer - Encore Musicians

Location
Greater London, England, United Kingdom
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 ...

Senior Software Engineer, JavaScript/TypeScript

Location
Greater London, England, United Kingdom
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 ...

Senior Software Engineer (javascript, AI and CMS)

Location
Greater London, England, United Kingdom
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 ...

Software Engineer III (Java & JavaScript)

Hiring Organisation
Elsevier
Location
Greater London, United Kingdom
Employment Type
Full Time
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 ...

Full-Stack JavaScript Engineer — React, Node & DevOps

Location
Greater London, England, United Kingdom
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 ...

Frontend JavaScript Engineer – Vanilla JS for Payments

Location
Greater London, England, United Kingdom
Nexus Jobs Limited in Central London is seeking a Javascript Front End Developer to shape the payments experience across platforms. You will craft clean, fast interfaces using Vanilla JS and collaborate with Front-End & Back-End Developers, Architects and Designers. Ideal candidates thrive in an agile environment, can mentor ...

Software Engineer III (Java & JavaScript)

Location
Greater London, England, United Kingdom
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 ...

Web Security Engineer JavaScript

Location
Greater London, England, United Kingdom
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 with Agile Software Engineer - Central London

Location
Greater London, England, United Kingdom
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 ...

IAM Software Engineer I - Java & JavaScript

Location
Greater London, England, United Kingdom
Elsevier is seeking a Senior Software Engineer I to design and implement scalable Java and JavaScript applications. You will join the Identity & Access Management team, contributing to authentication and authorisation infrastructure on AWS ECS and EKS. Expect challenging research, design, mentoring, and collaboration with product and customers ...