software engineer react native jobs in London

Megarefill, London-based, is hiring for its Mobile Apps team to build Megaroam and Megaconnect, the eSIM apps used by travellers in 200+ countries. The role is fully remote with flexible hours across time zones, and you’ll ship features from idea to release on iOS and Android.You’ll work with React Native/TypeScript or native Swift/Kotlin, integrate...

A growing tech startup in London is seeking a Mid-Senior Level Engineer to build AI-native products for the hospitality industry. You will collaborate with a focused, founder-led team utilizing modern frameworks like React and TypeScript. This role offers meaningful ownership in a profitable company that is quickly scaling. Ideal candidates will have strong...

The next generation of enterprise technology is being built right now. This is your opportunity to help engineer it.The world's biggest businesses run on some of the world's most complex technology. Decades of legacy infrastructure, disconnected systems and technical debt have created enormous barriers to innovation.One ambitious AI company is setting out to...

Harvey Nash IT Recruitment UK is seeking a Contract React Native Engineer to join a London-based project kicking off in October. This role is on-site three days per week and offers a daily rate of £400 outside IR35.You will work with React Native, Java (Spring Boot), and Azure cloud, contributing to a hands-on development effort with a dynamic consultancy...

Lead Software Engineer - Python and React Join to apply for the Lead Software Engineer - Python and React role at JPMorganChase. Step into a high-growth environment where your expertise in AI/ML and AWS will help shape and deliver game-changing business outcomes. As a Lead Software Engineer, full stack developer at JPMorgan Chase within the Global Technology...

Full Stack Software Engineer (.NET) Location: Leeds/London (2 days per month onsite) Rate: £500 per day Engagement: Contract IR35 Status: Outside Start Date: ASAP Duration: 6 months with high likelihood of extension Overview Brio Digital is supporting a major NHS digital transformation programme via a delivery partner and we are looking for...

This role will be an initial 12-Month FTC , before converting to perm, for an organisation who are looking to build internal capability. Please note, this role requires 1-2 days a week on-site in Manchester.Role Summary: We are looking for an experienced Engineering Manager to lead a software engineering team of approximately 6–7 Java & React...

Harvey Nash is seeking an experienced Software Developer for a short-term project focusing on building and delivering a software application across mobile, backend services and cloud environments. You’ll work across frontend and backend technologies, contributing from day one in a fast-moving project.The role emphasizes strong development across React...

# **Welcome to the Agentic Commerce Era**## At Commerce, our mission is to empower businesses to innovate, grow, and thrive with our open, AI-driven commerce ecosystem. As the parent company of BigCommerce, Feedonomics, and Makeswift, we connect the tools and systems that power growth, enabling businesses to unlock the full potential of their data, deliver...

A leading cryptocurrency platform is seeking a skilled React Native Developer to join their dynamic team in London or New York. The ideal candidate will have strong React Native experience and a passion for the crypto industry. This role involves creating functional software solutions, collaborating with upper management, and ensuring high-quality...

I'm working with a well-funded startup who are hunting for a React Developer to join their team near Liverpool Street. They're at an exciting time right now as they're popular in the UK market but would eventually like to be a global brand. To do this they'll be adding new features and ensuring their existing code is robust and scalable. They have an...

Senior Full-Stack Engineer - AI Startup (Typescript, Node, React) London - 4 days per week in the office Permanent | £120,000 - £150,000 We're working with an exciting early-stage AI startup building an agentic platform for institutional finance. The company is a small, high-performing team of fewer than 10 people, moving quickly and building towards...

Attest is seeking a Senior Software Engineer for the Measure squad. You will drive frontend and backend work across the survey platform, including AI-powered features and real-time insights.You’ll collaborate with Product, Design, and Data Science to shape direction and deliver meaningful customer impact. The role emphasizes strong product instincts,...

Senior Software Engineer – Back End, Rates & FXJoin to apply for the Senior Software Engineer – Back End, Rates & FX role at TP ICAPSenior Software Engineer – Back End, Rates & FXJoin to apply for the Senior Software Engineer – Back End, Rates & FX role at TP ICAPThe TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to...

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...

Trading-21 is seeking a Staff Frontend Engineer to shape architecture and engineering direction across product teams, spanning web and mobile using React, React Native, and an Nx monorepo. You will work closely with cross-team stakeholders on shared libraries, platform capabilities, and developer tooling to raise quality at scale.You will remain hands-on to...

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Software Engineer at JPMorganChase within AMDP (AIML Data Platforms), you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way....

A global consultancy is seeking a React Native Engineering Lead to drive the technical delivery and strategy for mobile applications. This role involves leading both iOS and Android development efforts, ensuring architectural alignment, and determining the appropriateness of hybrid approaches. The ideal candidate will demonstrate expertise in React Native...

A leading subscription service provider in Greater London seeks a Frontend Engineer to develop and maintain scalable applications using React and React Native. Candidates should have 3+ years of experience, proficiency in TypeScript, and a passion for sustainability. This role offers an innovative work environment with significant potential for professional...

Aave Labs began with a simple question: how do we make financial services like borrowing, saving, and earning more accessible globally? We built the Aave Protocol, now the world’s largest and most trusted onchain lending market, connecting decentralized finance with individuals, traditional finance, and fintech. Today, we build trusted, high-quality...