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Sr. Software Engineer- React Native Mobile Subway

Compensation $119,200.00 - $149,000.00/year

Schedule Full time

Job Type Permanent

Industry It and internet

Description

Sr. Software Engineer - React Native Mobile

Ready to build what’s next with one of the world’s most iconic brands?

At Subway, we are not standing still. We are building.

This is a business focused on what matters most: growing franchisee profitability, strengthening our brand and creating long-term value. The people who thrive here are the ones who want to make a real impact.

You will not just do the work. You will shape it.

We move fast. We think like owners. We make decisions that matter. We hold ourselves to a high standard because what we do directly impacts thousands of franchisees around the world.

If you bring energy, accountability and a bias for action, you will fit right in.

We take the work seriously, but we also know the best results come from teams that support each other, celebrate wins and show up ready to build something better every day.

This is your chance to be part of what’s next.

We're looking for an experienced mobile engineer to help build and improve the Subway app on iOS and Android— the app millions of guests use to order food, manage their loyalty rewards, find nearby restaurants, and check out with their preferred payment method.

You’ll work in a collaborative product team alongside designers, product managers, and other engineers, shipping features that are fast, reliable, and polished. App performance is a core priority: every change is expected to maintain or improve speed metrics we track rigorously.

Our mobile stack in plain terms:

Language: TypeScript (strict mode) — strongly typed throughout

State Management: Redux Toolkit for app-wide state; MMKV for fast local storage

Navigation: React Navigation

Auth: AWS Cognito (token-based login/session management)

CI/CD: GitHub Actions, Expo Application Services (EAS), Fastlane

Error Tracking: Sentry

Feature Flags: LaunchDarkly (controls which features are live for which users)

Analytics: Adobe Experience Platform, Quantum Metric

• Build and maintain app features across the full stack of the mobile experience — ordering, menu, cart, checkout, payments, loyalty, and store locator.
• Write clean, well-tested TypeScript following our established coding standards, with automated checks (linting, formatting, architectural boundary rules) running on every commit.
• Connect the app to backend services and third-party tools: our ordering API, authentication, payment processors, fraud detection, feature flags, and analytics.
• Work with product managers, designers, and backend engineers to turn requirements into working software — joining sprint planning and reviews, implementing against Figma designs, aligning on API contracts.
• Review code from teammates and incorporate review feedback on your own pull requests; all PRs go through CI checks and peer review before merging (no direct pushes to main).
• Debug and fix issues on both iOS and Android using crash reporting tools, native logs, and device/simulator builds.
• Help keep our build and release pipelines healthy: automated builds, beta testing distributions, and production releases to the App Store and Google Play.
• Document your work — code comments, architecture decision records, and notes in our project management system.
• Participate in Agile ceremonies: standups, sprint planning, refinement, and retrospectives.
• Stay current with the React Native ecosystem and contribute to team-wide improvements, including our ongoing migration to the React Native New Architecture (better performance and native integration).

Required:

• 6–9 years of professional software engineering experience.
• Strong commercial experience building cross-platform mobile apps with React Native and TypeScript.
• Solid understanding of React Native architecture: state management (Redux), navigation, performance optimization, and local storage.
• Experience calling REST APIs and working with token-based authentication flows.
• Familiarity with the native side of React Native — iOS (Swift/Objective‑C) and Android (Kotlin/Java) builds, native modules — or genuine enthusiasm to learn.
• Practical experience with mobile testing: unit tests, component tests, and end-to-end flows.
• Experience shipping apps to the App Store and/or Google Play.
• Clear communicator who works well in a collaborative, cross‑functional team.
• Bachelor’s degree in Computer Science, Engineering, or a related field — or equivalent hands‑on experience.

• Payment integrations (Adyen, Apple Pay, Google Pay).
• Mobile analytics or error tracking (Sentry, Adobe Experience Platform, Quantum Metric).
• Internationalization (i18n) and multi‑language app support.
• Privacy and consent frameworks (e.g., OneTrust).
• SSL/certificate pinning for mobile API security.

We use Agile delivery in two-week sprints, tracked in Azure DevOps. Design specs come from Figma. Architecture decisions and technical docs live alongside the code in the repository. We value code quality, thoughtful review, and incremental improvement over big-bang rewrites.

Pull requests go through automated CI checks (tests, linting, build validation) and at least one peer review before merging. We treat the CI pipeline as a quality gate, not a formality.

• Mobility Allowance

Compensation: The base pay range for this role is $119,200 - $149,000 annually

Pay within this range will be determined in good faith based on job-related factors, which may include skills, experience, education/training, location, and internal equity.