19 of 19 JavaScript Engineer Jobs in England

## 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)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 ...

Senior Software Engineer - TypeScript, JavaScript & iOS Up to £95 per hour (Inside IR35) | 40-hour working week Manchester - 2 days per week in the office, remote working otherwise Initial 6-month contract A global technology company is looking for an experienced Senior Software Engineer with strong TypeScript … JavaScript experience, alongside solid iOS development skills , to join their dynamic team. This is a full-stack engineering role , with the majority of the work focused on building and delivering features across the wider application and service stack using TypeScript and JavaScript . Around 40% of the role ...

Software Engineer (PHP & JavaScript) Bristol, hybrid, typically 1 day a week in the office £50,000 to £60,000 + 28 days holiday + bank holidays, PMI, pension, social events If you like the idea of owning proper, business critical software rather than being one tiny … backend, building and evolving the core systems that power operations, reporting, analytics and their B2B customer portal, while also being comfortable in a modern JavaScript front end. You will work closely with the Head of Development on solution design and architectural decisions, and with end users across the business ...

Software Engineer/Full Stack Developer (C# .Net Core AWS JavaScript) St Albans/WFH to £110k Opportunity to progress your career in a mid-level, hands-on Software Engineer role at a technology driven trading company that invest in Sports betting markets, with a flat structure … voice heard and can make a real impact on the bottom line, earning significant bonuses. What's in it for you: As a Software Engineer you will earn a competitive package: Salary to £110k Significant bonus 25 days holiday, rising to 30 after 2 years Enhanced parental leave Contributory ...

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 ...

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 ...

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 ...

REvolution Group in Manchester is seeking a JavaScript Developer to design and deliver bold, bespoke digital platforms for ambitious clients. You’ll work across modern stacks including Node.js, TypeScript, React, and AWS to build robust front- and back-end solutions. You’ll join a team expanding JavaScript ...

REvolution Group in Manchester is seeking a JavaScript Developer to design and deliver bold, bespoke digital platforms for ambitious clients. You’ll work across modern stacks including Node.js, TypeScript, React, and AWS to build robust front- and back-end solutions. You’ll join a team expanding JavaScript ...

Software Engineer/Full Stack Developer (C# .Net Core AWS JavaScript) St Albans/WFH to £110k Opportunity to progress your career in a mid-level, hands-on Software Engineer role at a technology driven trading company that invest in Sports betting markets, with a flat structure ...

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? 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 ...

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 ...