Principal React Native Developer - Platform

Ally |

Ally | Posted Feb 24, 2026

Full-time

Charlotte

Advanced (5-10 yrs)

Ally and Your Career

Ally Financial only succeeds when its people do - and that’s more than some cliché people put on job postings. We live this stuff! We see our people as, well, people - with interests, families, friends, dreams, and causes that are all important to them. Our focus is on the health and safety of our teammates as well as work-life balance and diversity and inclusion.

From generous benefits to a variety of employee resource groups, we strive to build paths that encourage employees to stretch themselves professionally. We want to help you grow, develop, and learn new things. You’re constantly evolving, so shouldn’t your opportunities be, too?

Work Schedule:

Ally designates roles as (1) fully on-site, (2) hybrid, or (3) fully remote. Hybrid roles are generally expected to be in the office a certain number of days per week as indicated by your manager. Your hiring manager will discuss this role's specific work requirements with you during the hiring process. All work requirements are subject to change at any time based on leader discretion and/or business need.

We are seeking a Principal React Native Developer to contribute to the evolution and scalability of our mobile platform. In this role, you will help define best practices, drive platform improvements, and enable product teams to build React Native experiences efficiently and reliably.

You will be a hands‑on contributor to platform design, modularization, and shared infrastructure while collaborating closely with other senior engineers to shape the mobile strategy.

• Contribute to the design, evolution, and modularization of the React Native mobile platform
• Implement and maintain core platform features, shared components, SDK integrations, and app fundamentals (startup, navigation, networking, etc.)
• Collaborate with senior engineers to inform platform direction, architecture decisions, and adoption of modern React Native capabilities (Turbo Modules, Fabric, Expo Modules etc)
• Ensure consistency, performance, and maintainability across the app and shared platform modules

• Support product teams in leveraging the platform to deliver features faster and more reliably
• Build reusable modules, design system components, and developer tooling to improve cross‑team productivity
• Provide guidance on platform best practices, coding standards, and React Native pattern
• Act as a technical resource for debugging complex issues and optimizing app performance

• Write high‑quality, production‑ready code that balances maintainability, performance, and scalability
• Contribute to testing strategies, CI/CD pipelines, and release processes for the platform
• Mentor engineers on platform usage, patterns, and best practices

• 7+ years of relevant experience
• Bachelor’s Degree in relevant field(s) of study or equivalent

• Highly preferred: 5+ years of software engineering experience
• Highly preferred: 3+ years working with React Native in production environments
• Strong experience with JavaScript/Type Script and modern React patterns
• Experience with native iOS (Swift/Objective‑C) and/or Android (Kotlin/Java) development
• Experience building reusable, modular components and shared platforms for mobile apps
• Comfortable contributing to architectural discussions and platform decision
• Familiarity with React Native New Architecture (Turbo Modules, Fabric)
• Experience with Expo preferred
• Experience with modularization strategies in large mobile apps
• CI/CD and release automation for mobile apps
• Performance optimization and observability in mobile apps
• Experience supporting multiple product teams via shared mobile infrastructure
• Strong collaborator and contributor in platform strategy
• Systems thinker with attention to maintainability and scalability
• Excellent problem‑solving and debugging skills
• Clear communicator across technical and non‑technical stakeholders
• Ownership over platform quality and developer experience

Ally's compensation…