Jobs for react developer at London

Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across four core services: clearing, agency and execution, market making, and...

FULL-STACK DEVELOPER Location: London (Hybrid) (UK-based) Salary: £50,000 + Equity Department: Engineering Job Type: Full-Time Category: Hybrid About Zenrox Zenrox Healthcare UK is developing an AI-powered marketplace connecting healthcare facilities with MHRA-compliant medical equipment suppliers. Our platform, ZenroxIQ, enhances procurement through...

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...

When you join EDF Trading, you’ll become part of a diverse international team of experts who challenge conventional ideas, test new approaches, and think outside the box. Energy markets evolve rapidly, so our team needs to remain agile, flexible, and ready to spot opportunities across all the markets we trade in power, gas, LNG, LPG, oil, and...

Join as a visionary Full Stack Developer, leading transformative development with integrated solutions across front and back-end, bridging the technology-business gap and shaping the future with innovative user experiences.Join as a Full Stack Developer and lead transformative development, crafting innovative solutions across front and back-end with...

Job DescriptionAre you ready to apply Make sure you understand all the responsibilities and tasks associated with this role before proceeding.Product Engineer — Early-Stage HealthTech Startup6 months | Outside IR35 | OnsiteWe're building an AI-powered healthcare platform. Founded by an experienced team with backgrounds across consumer tech, AI, and...

  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...

**Role Overview** We are looking for a highly experienced, hands-on Lead CRO Developer to build and deliver A/B and multivariate experiments across our client accounts. This is fundamentally a development role. The majority of the role is hands-on coding, implementation, QA and troubleshooting of experiments, not CRO strategy, programme management, or...

Position Overview: The Data Products and Services team uses some of the most cutting-edge technologies and cloud offerings to design, build and maintain machine learning frameworks, data science tools, microservices, web applications and other data driven products. We actively seek to work with the latest technologies to improve our tech stack, knowledge,...

Frontend Developer - React / TypeScript Ncounter is supporting a technology consultancy looking for an experienced Frontend Developer to work on modern digital services across Central Government. You will join an established engineering team delivering secure, accessible applications used within complex public sector environments. This is a hands-on...

Job descriptionWaracle are looking for a Senior Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation.We work with ambitious clients to help them solve their biggest business and customer challenges. We help our...

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth and depth of coverage across four core services: clearing, agency and execution, market...

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate...

DescriptionPosition at DNEGSenior ML Software DeveloperML TechnologyThe ML Technology department at Brahma DNEG-Dedicated Unit (Brahma DDU) explores, tests, and deploys machine-learning and automation solutions to support the technology and infrastructure that powers DNEG’s multi-site, global VFX and Feature Animation studio. With thousands of artists...

Who We Are Konrad is a next generation digital consultancy. We are dedicated to solving complex business problems for our global clients with creative and forward-thinking solutions. Our employees enjoy a culture built on innovation and a commitment to creating best-in-class digital products in use by hundreds of millions of consumers around the world. We...

.NET Developer, CMS, Sitecore, Optimizely, Umbraco - London (Tech stack: .NET Developer, CMS, Sitecore, Optimizely, Umbraco, .NET 10.0, C# 14, Angular 21, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Established in the 1990s our client is one the fast growing technologies brands across Europe. They have built an unrivalled reputation...

Senior Web Developer - Full-StackLondon  Our client, a leading entertainment group, are looking for a full-stack Web Developer to join their team in London.  You will ideally have experience with front and back-end tech stacks including Ruby, React, HTML, JSS and Javascript. The ideal person will have worked with Agile methodologies and have working...

Job descriptionWaracle are looking for a Senior Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation.We work with ambitious clients to help them solve their biggest business and customer challenges. We help our...

Job TitleFull Stack Developer (Mid)Overview  Looking for a challenge in one of the world’s leading airline Groups and a dual FTSE 100 and IBEX 35 listed company?  The Group combines airlines in Ireland, the UK and Spain with key non-airline businesses, enabling them to enhance their presence in the aviation market.  Purpose of the roleWe are...

Salary: Up to £58,000 Contract Type: Permanent Security Level: SC Location: Gatwick – Hybrid Visa Restrictions: This position does not offer visa sponsorship   Closing Date: Friday 18th September 2026 Screening Calls: From w/c 21st September 2026 Interview Date: w/c Monday 5th October 2026   We are the UK's aviation and aerospace regulator and...