javascript jobs in London

Javascript .net Fullstack Web Application DeveloperQuant Capital is urgently looking for a Javascript .net Fullstack Web Application Developer to join our high profile client.Our client is the world leader in Market data management systems, with clients globally such as most of the major investment banks. Their team in Tunbridge is at 63 and rapidly...

Elsevier is seeking a Software Engineer III to design and implement scalable applications using Java and JavaScript. You will join the Identity & Access Management team, owning authentication and authorisation infrastructure across a global product suite on AWS.The role emphasizes code quality, CI/CD, and Agile collaboration, with AI-assisted development...

Job Reference: NJ0210Date Posted: 1 October 2026Recruiter: Nexus JobsLocation: LondonSalary: 60,000 to 85,000Sector: I.T. & CommunicationsJob Type: PermanentWork Hours: Full TimeContact: Jas GujralEmail: : Apply for this job nowJob DescriptionJavascript and Agile Software Developer – Central LondonThe Client Developer will be responsible for...

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...

Frontend Developer – Bootstrap JavascriptBrussels90,000 Plus Bens – Flex WorkingQuant Capital is urgently looking for Frontend Developer to join our high profile client.Our client is a well known insuretech business. They are a small subsidiary of a much larger financial exchange firm.Your primary role is the design and development of components for...

Frontend JavaScript Developer – TypeScript 65k plus BensQuant Capital is urgently looking for a Frontend JavaScript Developer to join our high profile client.My client is a rapidly growing specialist fintech software house providing advanced solutions to the finance market. Their clients include many of the world’s leading banks and financial...

Challenge: Greenfield Trading platform, API development, industry specific challenges Firm: Well-known Fintech 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...

                           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...

Full Stack Web Developer Python JavaScript Fintech up to 90K + bonusQuant Capital is urgently looking for a full stack web JavaScript and Django Web Developer to join our high profile client.Our client is a major global financial exchange, driven by technology. They are at the bleeding edge of not only product ideas but also technology and data manipulation....

Junior ASP.NET MVC Developer – Fintech JavascriptQuant Capital is urgently looking for an ASP.NET MVC Developer join our high profile client.Our client is a recently acquired financial technology business who is currently disrupting the Credit space. The ASP.NET MVC Development role is expansionary due to a brand new international platform being created....

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 to translate...

OverviewOur client is seeking a skilled Software Developer to work with modern, scalable technologies and contribute to high-availability, high-throughput systems.ResponsibilitiesBuild and optimise systems using PHP 8+ with frameworks such as Laravel or Symfony.Work on event-based architectures and CQRS patterns.Engineer solutions on AWS (Aurora, MSK Kafka,...

Do you 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...

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 and operate a highly...

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...

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 and operate a highly...

ASP.NET MVC Developer – Fintech JavascriptQuant Capital is urgently looking for an ASP.NET MVC Developer join our high profile client.Our client is a recently acquired financial technology business who is currently disrupting the FX trading space. They are driven by their low latency tech.The ASP.NET MVC Development role is expansionary due to a brand new...

AI Software Developer (Python, JavaScript, ML) - London/HybridDay rate: £500 - £800 (inside IR35)Duration: 6 - 12 monthsStart: ASAPHybrid: 3 days on site per weekAbout the RoleMy client is looking for a Software Developer with AI, Python and JavaScript experience to join on a contract basis. As a Software Developer - AI, you will focus on the development...

Job Description Javascript Front End Developer – Central London JavaScript Engineer required to join a fast growing company and shape the future of payments cross-platform and cross-device? Evolving in an agile and collaborative environment, you will be part of a multidisciplinary and excellence-driven team and bring your solid native JavaScript skills and...

Job Description Full-Stack Javascript Developer – Central London Our Client is urgently looking to recruit a Full-Stack Java Developer with very strong Javascript development expertise. You must have at least 3 to 5 years experience as a Full-Stack Developer with Javascript fundamentals, design patterns, and OOP – Object Oriented Programming. So you must...