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StoneX Group

Senior Mobile Developer (React Native)

StoneX Group Bogota, RAP (Especial) Central, Colombia

Financial Services · 1,001-5,000 employees

11 h ago
react Senior (5-10 yrs) Full-time Colombia
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About the role

The Senior Mobile Developer will design and build high-performing, scalable enterprise applications using React Native for iOS and Android. Responsibilities include managing the full software development lifecycle, mentoring team members, and ensuring continuous improvement through architectural reviews.

What they look for

React Native JavaScript TypeScript Android Development iOS Development Mobile Application Architecture Agile Methodology Software Development Lifecycle State Management Virtual DOM Asynchronous Programming JSX Performance Optimization Memory Management AI Tools GitHub Copilot

Requirements

Candidates must have a minimum of 5 years of experience in mobile app development with a proven track record of deploying applications to the Google Play and App Stores. Strong proficiency in React Native, JavaScript, TypeScript, and mobile architecture patterns is required.

Full description

Overview

Permanent, full-time, hybrid.

Please submit your CV in English

Connecting clients to markets – and talent to opportunity

With 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors.

Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth.

Business segment: Engage in a deep variety of business-critical activities that keep our company running efficiently. From strategic marketing and financial management to human resources and operational oversight, you’ll have the opportunity to optimize processes and implement game-changing policies

Responsibilities

Position Purpose: We are looking for a Senior Mobile Developer with experience in building high-performing, scalable, enterprise-grade applications. The role will focus on developing complex mobile applications build on React Native running across IOS and Android devices.

You will be part of a talented engineer team that works on low-latency mission-critical applications. Roles and responsibilities include application architecture and development across full software development lifecycle from concept and design to testing, collaborating with like-minded engineers.

Primary Duties will include:

  • Primary focus on mobile development
  • Contribute to all phases of the development lifecycle working within Agile methodology
  • Prepare and produce releases of software components
  • Support continuous improvement by investigating technologies and presenting for architectural review
  • Mentor and supports engineers with technical direction and best practices

Qualifications

To land this role you will need:

  • Minimum 5 years’ experience in mobile app development
  • Experience in development of Android/iOS applications and have deployed on Google Play/App Store
  • Strong knowledge with architecture and implementation of Android/iOS applications, experience with full mobile development life cycle
  • Thorough understanding of React Native and its core principles
  • Strong knowledge with JavaScript & TypeScript, virtual DOM, asynchronous programming
  • Understanding & experience in ES6, ES10, JSX
  • Experience working with popular libraries for networking, asynchronous, image loading, etc.
  • In-depth knowledge with React Native framework, patterns for code reuse, state management libraries, routing architecture
  • Experience optimizing app performance, manage memory, and reduce load times
  • Experience and knowledge in using AI tools in SDLC (Claude Code, Github Copilot, Codex)

Working environment:

  • Full time (Monday to Friday), with an indefinite contract.
  • Hybrid 4 days in office per week (Office location: Avenida Carrera 9A - Avenida Carrera 9A # 115-06/30 Edificio Torre Tierrafirme Bogotá, 110111 Colombia)

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