Cross-Platform Mobile App Developer (React Native)

Updraft. Helping you make changes that pay off.
Updraft is an award winning, UK FCA-authorised, high-growth fintech based in London.
Our vision is to revolutionise the way people spend and think about money, by automating the day to day decisions involved in managing money and mainstream borrowings like credit cards, overdrafts and other loans.
A 360 degree spending view across all your financial accounts (using Open banking) A free credit report with tips and guidance to help improve your credit score Native AI led personalised financial planning to help users manage money, pay off their debts and improve their credit scores.
Intelligent lending products to help reduce cost of credit We have built scale and are getting well recognised in the UK fintech ecosystem.
800k+ users of the mobile app that has helped users swap £500 m of costly credit-card debt for smarter credit, putting hundreds of thousands on a path to better financial health The product is highly rated by our customers.
We are rated 4.
8 on Trustpilot, 4.
8 on the Play Store, and 4.
4 on the iOS Store.
We are selected for Technation Future Fifty 2025 – a program that recognizes and supports successful and innovative scaleups to IPOs - 30% of UK unicorns have come out of this program.
Updraft once again featured on the Sifted 100 UK startups - among only 25 companies to have made the list over both years 2024 and 2025.
We are seeking a talented Cross-Platform Mobile App Developer specialising in React Native to join our team.
You will be responsible for building high-quality mobile applications that deliver outstanding user experiences across both iOS and Android platforms.
This role involves close collaboration with designers, product managers, and fellow developers to bring innovative ideas to life.
The ideal candidate has deep expertise in React Native , a strong understanding of mobile architecture, and a passion for delivering polished, performant apps.
You should be ready to contribute to strategic projects that drive the company’s success.
Opportunities to Take Ownership – Work on high-impact projects with real autonomy.
Fast Career Growth – Gain exposure to multiple business areas and advance quickly.
Be at the Forefront of Innovation – Work on cutting-edge technologies or disruptive ideas.
Collaborative & Flat Hierarchy – Work closely with leadership and have a real voice.
Dynamic, Fast-Paced Environment – No two days are the same; challenge yourself every day.
A Mission-Driven Company – Be part of something that makes a difference Design, develop, and deploy advanced cross-platform mobile applications using React Native.
Collaborate with cross-functional teams (design, backend, QA) to define, design, and ship new features.
Optimize mobile applications for maximum speed, scalability, and performance across devices.
Debug and fix issues, maintaining a high standard of code quality and reliability.
Continuously research, evaluate, and implement new technologies and tools to enhance development efficiency.
Participate in code reviews, share knowledge, and mentor junior developers when needed.
Responsibilities Design, develop, and deploy advanced cross-platform mobile applications using React Native.
Collaborate with cross-functional teams (design, backend, QA) to define, design, and ship new features.
Optimize mobile applications for maximum speed, scalability, and performance across devices.
Debug and fix issues, maintaining a high standard of code quality and reliability.
Continuously research, evaluate, and implement new technologies and tools to enhance development efficiency.
Participate in code reviews, share knowledge, and mentor junior developers when needed.
Qualifications Strong expertise in React Native with proven experience building cross-platform mobile apps.
Solid understanding of native mobile app development (Android/iOS) concepts.
Proficient in HTML, CSS, JavaScript, and Object-Oriented JavaScript.
Deep understanding of React and React Native internals.
Hands-on experience with state management libraries like Redux, Redux-Saga, Context API , or others.
Ability to write clean, reusable, scalable, and maintainable code.
Strong foundation in algorithms, data structures, and problem-solving techniques.
Passion for creating highly intuitive, polished UI/UX .
Up-to-date with the latest React Native releases and ecosystem developments.
Solid grasp of the mobile development lifecycle from design to deployment.
Excellent analytical, communication, and collaboration skills.
Preferred Skills Familiarity with integrating third-party libraries, SDKs, and APIs.
Experience working with Agile/Scrum development methodologies.
Knowledge of modern front-end build pipelines, tools (Webpack, Metro, Babel), and version control (Git).
Experience with TypeScript, GraphQL, RESTful APIs, or mobile CI/CD tools is a plus.
Basic understanding of native modules (Kotlin/Swift) integration in React Native is an added advantage.
Previous experience in finance product preferred Portfolio of previous mobile apps is highly preferred Experience 3–5 years of hands-on experience in mobile app development, with a strong portfolio of React Native apps.
Experience building, deploying, and maintaining apps across both Android and iOS ecosystems.