javascript jobs in London

Web Software Engineer (Contract)Remember to check your CV before applying Also, ensure you read through all the requirements related to this role.Inside IR35 | £500-525/day | Fully Remote | Initial 3 MonthsWe're partnering with a well-known digital business looking to bring in a Web Software Engineer to support a number of exciting web development and...

We are looking for a Senior UX Engineer to bridge design and frontend development, delivering intuitive, accessible, and high-performance digital experiences. You will lead prototyping, champion design systems, facilitate client sessions, and build advanced frontend interfaces with modern web technologies. The role involves mentoring team members, advocating...

Location: London or Leeds, UK (Hybrid) Type: Permanent Salary Band : Grade B2 Role Overview We are looking for a Performance Test Engineer to drive performance assurance across cloud, hybrid, and on-premise environments. You will design and execute performance, load, stress, and volume tests, identify bottlenecks, and work closely with development and...

About Us:Based in San Francisco, California, Turing is the world's leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who...

About Us:Based in San Francisco, California, Turing is the world's leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who...

This role supports the design, development, and continuous improvement of our technology solutions across Microsoft Dynamics 365, Power Platform, and Azure environments. You’ll work closely with architects, product teams, and external suppliers to deliver scalable, secure, and high-quality technical solutions. Along the way, you’ll contribute to...

SENIOR SOFTWARE ENGINEERPHP Purpose To design and build the modular platform that will carry the business capability as we move off a forty-year-old systemworking in PHP 8.3 with Slim, Doctrine and PostgreSQLand to share ownership of it properly across a small team. The stack BackendPHP 8.3Slim 4PHP-DI 7Doctrine ORM 2 & DBAL 3PostgreSQL 16Symfony Console,...

Company Description Hitachi Solutions Europe is a global Digital, Data and Technology consultancy, Microsoft Inner Circle and Cloud Services partner, specialising in end-to-end transformation. We build services that are user centred and accessible, designed by our brilliant agile teams, capable of harnessing the power of the latest technologies. Our...

Company Description Hitachi Solutions Europe is a global Digital, Data and Technology consultancy, Microsoft Inner Circle and Cloud Services partner, specialising in end-to-end transformation. We build services that are user centred and accessible, designed by our brilliant agile teams, capable of harnessing the power of the latest technologies. Our...

Job description Product Engineer – London, HealthTech start-up (hybrid, 4 days onsite) £100k - £120k + equity. We're partnering with a fast-growing, product-led HealthTech start-up that are looking for an experienced Product Engineer to join a highly collaborative team. This is an opportunity for an engineer who enjoys working in a startup environment,...

Dataiku is the Platform for AI Success, the enterprise orchestration layer for building, deploying, and governing AI. In a single environment, teams design and operate analytics, machine learning, and AI agents with the transparency, collaboration, and control enterprises require. Sitting above data platforms, cloud infrastructure, and AI services, Dataiku...

Come build the future of entertainment with us. Are you interested in shaping the future of movies and television? Do you want to define the next generation of how and what Amazon customers are watching?Prime Video is a premium streaming service that offers customers a vast collection of TV shows and movies - all with the ease of finding what they love to...

DescriptionJoin one of the most innovative and agile Java development teams in the country as we embark on a new chapter in London.Who are we?We are the leading software developers for web security testing.We are a UK company with over 48,000 customers in 140 countries, known for strong organic growth over the last decade.Recognised through awards: Sunday...

Overview Starling is the UK's first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. Read more about Our Story here. We're a fully licensed UK bank with the culture and spirit of a fast-moving,...

DescriptionAs a Lead Architect at JPMorgan Chase within the Corporate Investment Bank Information Architecture team, you are an integral part of a team that works to develop high-quality architecture solutions for various software applications and platforms products. You drive significant business impact and help shape the target state architecture through...

Company DescriptionAt The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for jobseekers and companies around the world to find a perfect match in fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased...

Hitachi Solutions Europe is a global Digital, Data and Technology consultancy, Microsoft Inner Circle and Cloud Services partner, specialising in end-to-end transformation. We build services that are user centred and accessible, designed by our brilliant agile teams, capable of harnessing the power of the latest technologies. Our capabilities include...

Job brief We are looking for a passionate certified Data Analyst. The successful candidate will turn data into information, information into insight and insight into business decisions. Requirements Proven working experience as a Data Analyst or Business Data AnalystTechnical expertise regarding data models, database design development, data mining and...

Please only apply to the one job you feel best fits your skillset and experience. If our team feels you are better suited for another role, we will reach out about the alternate opportunity. Position Overview: At Squarepoint we use Python to build a great deal of the software needed to solve crucial problems every day. You will work on a wide range of...

Daily Mail is seeking a skilled JavaScript/TypeScript Engineer to join our Ads and Commercial Development team. In this role you will build high-performance, low-latency infrastructure powering our commercial platforms and work directly with browser APIs, using vanilla JavaScript rather than heavy UI frameworks.The position emphasizes browser internals,...