react native developer jobs in London

Lead/Senior Software Engineer - TypeScript, Node.js, React, Java, Kotlin, Kafka, AWS, Kubernetes - Structured Products - Financial ServicesMust have: TypeScript/Node.js, distributed systems, AWS/Kubernetes, Financial Services experienceOur client, a leading Tech provider to global financial institutions, requires a Lead Engineer to own its documentation...

Mozart AI in London is seeking a senior mobile engineer to own the Mozart app end to end. You’ll lead architecture, RN/Expo app, native Swift and Kotlin where needed, and ship weekly with solid performance and a great UX.You’ll optimize for background/offline, real-time collaboration, audio playback, and social features, balancing platform differences...

A cloud-native legal technology firm in Greater London is looking for a Senior Software Engineer to lead technical projects and mentor junior engineers. The role focuses on designing high-performance SaaS solutions and requires expertise in modern software technologies including Docker and Kubernetes. Candidates should have over 7 years of experience in...

GenieoWeb is seeking a Web Developer to build next-generation UI for a fintech FX trading platform. You will work on high-performance, low-latency front-end systems using React, Redux and TypeScript in a fast-paced agile team.Initially 100% remote with potential future office presence in London. Strong emphasis on UX, real-time messaging, and high-quality...

Henderson Scott is seeking an experienced Senior Front-End Contractor to lead development of secure, scalable user interfaces using React and Next.js. The role focuses on delivering high-performance applications within UK-based remote work, collaborating with backend engineers and product teams, and adhering to modern front-end tooling and the AWS Cloudscape...

Oxford Economics in London, UK, is seeking a Software Developer for the Content Delivery team. You will.build cloud-native services, focus on online content publishing, and support a global subscription platform.The role emphasizes collaboration with economists and business teams, fast-paced delivery, and continuous improvement. Ideal candidates have 2-3...

HCLTech is seeking a Senior Java Engineer to strengthen its RMS Trade Processing platform. You will design and deliver scalable full-stack solutions using Java, Spring Boot, Angular, and React, contributing across backend and frontend components in a business-critical system.The role requires 8+ years of enterprise software experience, expertise in RESTful...

Lorien in London is seeking 2 experienced Front End Engineers to join an AI-focused programme delivering modern user interfaces. The role is a 6-month initial contract inside IR35, with 1-2 days per week onsite in London city.You'll design and develop React and Redux based applications, taking features from prototype to production while shaping front-end...

慨正橡扯 is hiring a Senior Full-Stack Engineer to lead the development of their AI-powered platform. In this role, you will take ownership from concept through deployment, integrating AI as a core technology. You will also have direct contact with clients to tailor solutions that meet their needs.We're seeking candidates with over 6 years of experience...

The OpportunityWe are partnering with a Tier 1 investment bank on a major, multi-year technology transformation within its global Prime Finance Equities business.The Equity Accelerator programme is focused on modernising the technology backbone of the business — re-engineering core trading and post-trade systems, developing new data and market-expansion...

SII UK is seeking a Senior Java Engineer to join a collaborative Agile team delivering scalable, cloud-native solutions using Java and AWS.You will design, develop, and maintain high-quality applications while advancing automation, CI/CD, and testing practices, including pair programming as a daily activity.This role offers opportunities to mentor others and...

Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017, the company is headquartered in London, with offices and teams across Europe and the US. As AI continues to shape the way we live and work, Synthesia develops products to enhance visual communication and enterprise skill development,...

Our Future Health UK is seeking a Senior Application Security Engineer to embed security into fast‑moving delivery pipelines within a cloud‑native environment. You will influence security tooling, design secure architectures, and mature our Secure Development Lifecycle.Join a hands‑on team delivering security across Azure/AKS, Databricks, Snowflake and...

GlaxoSmithKline in the UK is seeking Software Engineers for the AI for Science (AI4S) team to design, build and operate scalable cloud-native infrastructure and services that power production AI models and agentic applications.You will own reliability across the full development life cycle, implement CI/CD, automated testing, monitoring and incident...

Company DescriptionVersion 1 has celebrated 30 years in the IT industry and continues to be trusted by global brands to deliver IT solutions that drive customer success. Version 1 has several strategic technology partners including Microsoft, AWS, Oracle, Red Hat, OutSystems and Snowflake. We’re also an award-winning employer reflecting how employees are...

Location: This is a hybrid remote/in-office role. Medidata follows a hybrid office policy in which employees who are hired for an in-person position are expected to work on site a certain number of days per week. About our Company: Medidata is powering smarter treatments and healthier people through digital solutions to support clinical trials....

Crisil is seeking a talented full stack developer with expertise in finance processes within investment banking. The role involves designing and developing responsive front-end applications with React and TypeScript, collaborating with backend developers, and maintaining real-time dashboards.Key skills include strong front-end web technologies knowledge,...

This range is provided by Prism Digital. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangeDirect message the job poster from Prism DigitalFront-End Engineer | React, Next.js, Tailwind | Web3/Crypto Innovation HubStep into the engine room of one of London’s most exciting Web3 gaming...

Join a company redefining a market. Code in a cloud native environment, crafting features to power innovation that enterprises will use on a global scale. You'll work across the full software lifecycle, designing and building distributed services, APIs, and data-driven applications that operate at significant scale. You’ll lean toward the backend but work...

As the primary technical leader for your accounts, you will own the end to end technology strategy, providing overarching visibility across technical workstreams and aligning architecture direction, workload prioritization, and adoption milestones with customer goals and Microsoft Cloud Success metrics. A key focus of the role is helping Digital Natives...