React Native Developer

React Native Developer

Posted Today by Intec Select

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£105 Per hour
Outside
Undetermined
London Area, United Kingdom
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Application Programming Interface (API) Cloud Computing Cloud Technology Continuous Integration and Continuous Delivery Debugging Financial Technology (FinTech) Git (Version Control System) Google Cloud Platform (GCP) JavaScript (Programming Language) Low Latency Management Market Data Microsoft Azure Mobile App Mobile Devices React.js React Native RESTful API Software Development Version Control

Summary: The React Native Developer role at a fast-growing fintech startup in London involves building high-performance mobile trading applications. The developer will collaborate with product, design, and backend teams to create secure and scalable mobile experiences for traders. This contract position offers a competitive daily rate and is classified as outside IR35. The role requires significant experience in mobile development, particularly with React Native.

Key Responsibilities:

  • Design and develop robust, scalable mobile applications using React Native
  • Collaborate with product managers and designers to translate UI/UX designs into high-quality code
  • Integrate with backend APIs, market data feeds, and real-time trading systems
  • Optimize app performance for speed, reliability, and low latency (critical for trading environments)
  • Ensure security best practices, especially around financial transactions and user data
  • Write clean, maintainable, and well-documented code
  • Conduct code reviews and contribute to continuous improvement of development processes
  • Troubleshoot and resolve bugs, performance issues, and production incidents
  • Stay up to date with the latest mobile and fintech technologies

Key Skills:

  • 5+ years of experience in mobile development, with strong expertise in React Native
  • Proficiency in JavaScript (ES6+) and/or TypeScript
  • Experience with RESTful APIs, WebSockets, and real-time data handling
  • Solid understanding of mobile architecture, state management (Redux, Zustand, etc.)
  • Experience with version control tools (Git)
  • Strong debugging and performance optimization skills
  • Familiarity with CI/CD pipelines for mobile apps
  • Understanding of security principles in fintech applications

Salary (Rate): £850.00 daily

City: London

Country: United Kingdom

Working Arrangements: undetermined

IR35 Status: outside IR35

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:

React Native Developer - Fintech Trading Start Up - London - Contract - Up to £850 Per Day – Outside IR35.

Overview: Our client, a fast-growing fintech startup who operate heavily in the trading markets are looking for a React Native Developer to join their business. This role sits within the engineering team and help build high-performance mobile trading applications. You will play a key role in developing intuitive, secure, and scalable mobile experiences for traders, working closely with product, design, and backend teams.

Key Responsibilities

  • Design and develop robust, scalable mobile applications using React Native
  • Collaborate with product managers and designers to translate UI/UX designs into high-quality code
  • Integrate with backend APIs, market data feeds, and real-time trading systems
  • Optimize app performance for speed, reliability, and low latency (critical for trading environments)
  • Ensure security best practices, especially around financial transactions and user data
  • Write clean, maintainable, and well-documented code
  • Conduct code reviews and contribute to continuous improvement of development processes
  • Troubleshoot and resolve bugs, performance issues, and production incidents
  • Stay up to date with the latest mobile and fintech technologies

Required Skills & Experience

  • 5+ years of experience in mobile development, with strong expertise in React Native
  • Proficiency in JavaScript (ES6+) and/or TypeScript
  • Experience with RESTful APIs, WebSockets, and real-time data handling
  • Solid understanding of mobile architecture, state management (Redux, Zustand, etc.)
  • Experience with version control tools (Git)
  • Strong debugging and performance optimization skills
  • Familiarity with CI/CD pipelines for mobile apps
  • Understanding of security principles in fintech applications

Preferred Qualifications

  • Experience working in fintech, trading, or financial services
  • Knowledge of trading concepts (order books, execution flows, market data)
  • Experience with native modules (iOS/Android) when needed
  • Familiarity with cloud platforms (AWS, GCP, or Azure)
  • Experience with analytics, monitoring, and crash reporting tools

Rates / Duration: £700 - £850 Per Day Outside IR35 6 Month Duration

React Native Developer - Fintech Trading Start Up - London - Contract - Up to £850 Per Day – Outside IR35.

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