1 to 25 of 31 JavaScript Engineer Jobs in the UK

Senior JavaScript Engineer

Location
West of England, England, United Kingdom
Senior JavaScript Engineer Salary: £53,000 – £60,000 (rising to £67,000 as you develop in the role) Location: Hybrid, with at least 2 days per week in our Bristol office At CareScribe, we're building the foundations for more inclusive, neurodiverse-friendly spaces. Our ambition … scale-up, expanding beyond the UK and growing from a single product into a wider platform. We're now looking for a Senior JavaScript Engineer to own the delivery of complex, accessible frontend features across Caption.Ed and TalkType, right at the centre of that shift. A Note from ...

Frontend Software Engineer (JavaScript / TypeScript & React)

Location
Cambridge, England, United Kingdom
## Frontend Software Engineer (JavaScript/TypeScript & React)Apply: Cambridge Office, United Kingdom: Full time: Posted Today: JR101413Darktrace is a global leader in AI-driven cybersecurity, helping organizations stay ahead of evolving threats every day.Darktrace was built on a genuinely differentiated idea: that Adaptive AI could detect … curiosity to grow beyond them. Our Values: Own It | Win as One | Raise Our Bar | Move First. Learn Fast **Job Description:**The Frontend Software Engineer will work both collaboratively and independently to deliver cutting edge cyber security solutions. You will be tasked with creating and maintaining dynamic user interfaces ...

Frontend Software Engineer (JavaScript / TypeScript & React)

Location
Cambridge, England, United Kingdom
# Frontend Software Engineer (JavaScript/TypeScript & React)DDarktraceCambridgeFull timevia WorkdayPosted 23 Apr 2026Apply on darktrace.com →Darktrace is a global leader in AI for cybersecurity that keeps organizations ahead of the changing threat landscape every day. Founded in 2013, Darktrace provides the essential cybersecurity platform protecting nearly … services are supported by over 2,400 employees around the world. To learn more, visit http://www.darktrace.com.Job Description:The Frontend Software Engineer will work both collaboratively and independently to deliver cutting edge cyber security solutions. You will be tasked with creating and maintaining dynamic user interfaces, enhancing ...

Lead JavaScript Engineer - AI-Native Platform at Scale

Location
United Kingdom
ADLIB is seeking a Lead JavaScript Engineer to join their high-growth, product-led team. In this role, you will create and scale a modern platform used by thousands of customers. Your responsibilities include owning the architecture, guiding a team of engineers, and driving best practices. With ...

Full Stack Javascript Software Engineer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
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 ...

Software Engineer III (Java & JavaScript)

Location
Greater London, England, United Kingdom
Software Engineer III (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 and operate … 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 ...

Senior Software Engineer - Javascript/Vue (UK)

Location
City of Edinburgh, Scotland, United Kingdom
your key areas of focus will be enhancing product scalability and usability, helping consistently deliver features that support our customers' success. As a senior engineer, you will work collaboratively with the rest of our cross-functional team to plan and deliver new features and enhancements. You will take ownership … Support our product and engineering managers in prioritisation, scoping and leading delivery of product features Write complex, performant frontend business logic in JavaScript Write and upgrade UI components using JavaScript and Vue.js Write automated tests to assure quality (unit and end-to-end testing) Support, mentor and coach ...

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 React Node AWS

Hiring Organisation
Manhattan Partners Ltd
Location
Manchester, Lancashire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Senior Software Engineer React Node TypeScript AWS Kubernetes Golang Manchesters Fastest Growing Scale-Up Greenfield Projects Cutting Edge Technology Get AWS Certified 95% remote Fast Track To Lead/Principal Keep Reading If : You want to work in a role where you're always using cutting edge technology ...

JavaScript Engineer ( React & WebGL )

Hiring Organisation
Cathcart Technology
Location
City, Edinburgh, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
really cool tech company in Edinburgh City Centre is looking for a Senior JavaScript/TypeScript Engineer for their team. The company work on unique, ground-breaking products across varied industries such as history, literature, science, education, music and more. They pride themselves on bringing data to life ...

Senior Full Stack Engineer - JavaScript / C#

Location
Hull and East Yorkshire, England, United Kingdom
This is a hands‐on role for an experienced engineer who enjoys solving complex technical challenges, influencing architecture decisions, and working across both backend and frontend technologies. You'll play a key role in helping modernise existing systems, supporting the migration of legacy applications, and contributing to the development … hybrid working) Free on-site Gym, Cycle to Work Scheme, Regular Social Events The Opportunity We’re searching for a Senior Full Stack Engineer to join a growing internal technology function across a multi-site group. Designing, developing and supporting enterprise applications across backend and frontend technologies. Helping ...

Senior Front End D3 Javascript Software Engineer - Holborn

Hiring Organisation
Nexus Jobs
Location
London, UK
Employment Type
Full-time
000Sector: I.T. & CommunicationsJob Type: PermanentWork Hours: Full TimeContact: Jas GujralEmail: cv@nexusjobs.comTelephone: 020 7488 6900Apply for this job nowJob DescriptionSenior Front End D3 Javascript Software Engineer - HolbornOur Client wants to recruit a Senior Front End Software Developer with at least 7 to 10 years expertise of working with … Flux or Redux)Data visualisation experience, including with D3.jsExperience with continuous integration, test automation, and monitoringYou must have the following skills: Strong proficiency in JavaScript, CSS, HTML including DOM manipulation and the JavaScript object modelFamiliarity with RESTful APIsKnowledge of modern authorization mechanisms, such as JSON Web TokenFamiliarity with ...

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 Full-Stack Software Engineer (Java & React / Javascript / Angular)

Location
Oxford, England, United Kingdom
Senior Full-Stack Software Engineer (Java & React/Javascript/Angular)****Would you like to help create products to support the sharing of scientific knowledge?****Do you enjoy collaborating to solve complex technical problems?****About the team:**Our dynamic Agile Teams deliver the technology which facilitates researchers … publish quality scientific research. As a Software Engineer, you will build capabilities to improve the quality of scientific research.**About the role:**As a Senior II Software Engineer, you will build capabilities to support scientific researchers through the process of submitting the research for publication. We are continually ...

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 ...

Senior Software Engineer (javascript, AI and CMS)

Location
Leeds, 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 ...

Senior Software Engineer (javascript, AI and CMS)

Location
Manchester, 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 ...

Senior Software Engineer (javascript, AI and CMS)

Location
City of Edinburgh, Scotland, 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 ...

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 ...

Senior JavaScript Engineer - Full-Stack, AI-Driven Impact

Location
Glasgow, Scotland, United Kingdom
Odro Ltd. is seeking a Senior Javascript Developer in the Glasgow area. The role spans the full stack, from greenfield product work to maintaining legacy Node.js applications, using NestJS, TypeScript, GraphQL via Hasura, PostgreSQL and Vue.js. This is a hybrid role with two days per week in our Glasgow ...

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 ...

Senior Software Engineer I (Java & JavaScript)

Location
Greater London, England, United Kingdom
enjoy designing and developing scalable, high-performance applications using Java and 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 … 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 ...

Senior Frontend Engineer (JavaScript & Vue.js)

Location
City of Edinburgh, Scotland, United Kingdom
Dayshape, Edinburgh-based, is seeking a senior software engineer to join the engineering team. You will enhance frontend features, ensure scalable and accessible UI, and work closely with product and QA to deliver value. You’ll own features end-to-end, write tests, and mentor teammates while maintaining ...

Frontend JavaScript Engineer – Payments Platform, London

Location
Greater London, England, United Kingdom
Free-Work in Central London is looking for a Javascript Front End Developer to help shape the future of payments across platforms and devices. You’ll work in an agile, collaborative environment as part of a multidisciplinary team delivering clean, robust UI components. You will partner with Front ...

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 ...