1 to 25 of 27 JavaScript Engineer Jobs in England

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 ...

talented JavaScript Engineer looking to make a significant impact in the energy space? Join a fast-growing start-up, which recently secured 500,000 in funding and has ambitious plans to expand across Europe and the US within the next few months! My client is seeking a skilled …/Lead JavaScript Engineer to be the first engineering hire, working alongside a visionary CTO to build innovative software solutions that enable companies to reduce their energy consumption by up to 20%.As a Mid/Lead JavaScript Engineer, you will have a unique opportunity ...

Security Engineer (JavaScript/TypeScript) London/Remote to 80kDo you have expertise with web security combined with strong JavaScript/TypeScript coding skills You could be progressing your career at a global leader in Computer Vision, AI and biometric identity, whose technology protects governments, critical infrastructure … 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 security team, you'll focus ...

Tech: Javascript, TypeScript, MongoDB, Angular, HTML5, CSS, BootstrapChallenge: Greenfield Trading platform, API development, industry specific challengesFirm: Well-known Fintech Trading Platform Vendor, City of London, 30 man flat global Dev TeamPay: 80k, Bonus- 750 training budget, Unlimited holiday, Pension, Life/Health, Some Flex WorkingJunior Full Stack Javascript Software Engineer Quant Capital is urgently looking for a Junior Full Stack JavaScript Software Engineer for our high profile investment management vendor.Our client is a well known global wealth management HFT software business. They provide valuations and pricing of derivatives to most of the buy side.I ...

## 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 ...

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 … manipulation languages. 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 setup. ...

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 (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 ...

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 … normalized/dimensional data modelling principlesIntermediate knowledge of multiple data storage subsystemsConfident 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 setup.Proficient ...

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 ...

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 ...

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 ...