javascript jobs in London

The role We’re looking for JavaScript Developers to help train and evaluate cutting-edge AI models. If you have the necessary experience, we’ll send you an assessment to test your skills and suitability for AI tasks. If successful, you’ll be invited to join Prolific as a Domain Expert participant, where you’ll get paid to train and evaluate powerful...

**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 a...

Gravitas Group is seeking a Principal JavaScript Recruiter to own and grow a well-established JavaScript recruitment market from our London desk. You will build and nurture client relationships, recruit across the JavaScript ecosystem, and leverage Gravitas’ global platform to accelerate revenue and career development.You’ll operate autonomously within a...

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 on AWS ECS and...

**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...

Elsevier is seeking a Software Engineer III to design and develop scalable, high-performance identity platform components in Java and JavaScript. You will work on authentication, authorization, and integration with identity providers, building on AWS ECS and EKS, and contribute to AI-assisted development workflows.You will participate in CI/CD pipelines,...

Senior Software Engineer I (Java & JavaScript)Do you enjoy designing and developing scalable, high-performance applications using Java and JavaScript?About the teamYou 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...

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...

Prolific is seeking JavaScript Developers to assist in training and evaluating advanced AI models. As a Domain Expert participant, you'll be paid $40 per hour for completing AI tasks that typically require one hour of focused work. Responsibilities include analyzing and writing JavaScript, judging AI performance, and providing feedback to enhance models....

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 teamOur dynamic Agile Teams deliver the technology which facilitates researchers to publish quality scientific research. As a...

Job DescriptionFully RemoteOutside IR35Up to 400 per dayMUST haves• 10 years of Test AUTOMATION Experience• 10 years of JAVASCRIPT script programming experience• strong JavaScript experience alongside an ability to work with HTML/CSS (and preprocessors)• Understanding of TDD/BDD principles & unit/functional testing practices• experience in...

Job DescriptionJavascript/API engineerDo you want to help change the way we view capitalism and raise money for good causes? Do you love making beautiful products that could really change people’s lives? Percent wants to create a world where it’s easy to be good, and our first mission is to drive 1% of global retail spend to good causes.Following our...

Application Software Engineer – JavaScriptA fantastic opportunity for talented Software Developers, to join an industry-leading software company in either London or Cambridge offering the opportunity to work on a wide variety of web application infrastructure projects using a diverse toolset, with an emphasis on JavaScript, Node.js and related...

Company DescriptionCOMPANY:At Printerpix, no day is the same. We are at the epicentre of the $600 Billion gifting experience. We help create lasting memories and see the whole world as our playground. We reward initiative and those that are courageous, take risk and live in excellence.If you are hungry to show the world that you are different, and you have...

About Us Infinity is a Cloud based call tracking service with integrated visitor tracking capabilities. With Infinity you can track calls from your website and know exactly which marketing activity brought those visitors to your site. Since our launch in 2010, we’ve established ourselves as a market leader with an innovative and exciting product...

  Full Stack JavaScript Developer Hybrid Role – Can be based anywhere in UK Salary £50,000 - £80,000 + Benefits Eligibility: UK sole national, SC clearance (or eligible).   We’re hiring a number of Full Stack JavaScript Developers to build secure, high-performance digital products for mission-critical defence and national security...

At Atominvest, we build tools and software for the world’s best investors. Are you looking for an opportunity to be part of a high growth software business within the private equity & venture capital industry?  Do you love to build high quality software and working with a dynamic tech and product team with the latest technologies. Are you someone who...

Position: Ruby on Rails Developer (with JavaScript experience) Where: London, UK Start Date: ASAP Employment: Permanent   Angeloop is an exciting Business Intelligence startup on a mission to change the way early-stage companies interact with investors, helping them connect, complete funding rounds and manage growth.   Angeloop is growing and we’re...

At Atominvest, we build tools and software for the world’s best investors. Are you looking for an opportunity to be part of a high growth software business within the private equity & venture capital industry?  Do you love to build high quality software and working with a dynamic tech and product team with the latest technologies. Are you someone who...

A leading web agency, specialising in web design, web application development and web marketing has an opportunity for an outstanding Web Developer with very strong PHP/MySQL skills to join their friendly and hardworking team. Experience in Zend Framework would be a plus. This role, based in North London is ideal for a very...