Senior Mobile Cross Platform Engineer

About the Role

As a mobile platform engineer, you'll help shape the future of Chime's React Native app, building the infrastructure and tooling that make development faster, safer, and more scalable for hundreds of engineers working alongside AI.

You'll thrive in this role if you enjoy building for developers, solving complex technical problems, and multiplying your impact on others while delivering a best-of-class experience for our 10M+ monthly active members.

In this role, you can expect to

• Build and maintain internal frameworks, developer tooling, and infrastructure.
• Collaborate with product and engineering teams to improve app quality, performance, and observability.
• Identify bottlenecks and deploy operational efficiencies to automate mobile CI/CD and release orchestration, reducing manual effort and increasing reliability.
• Design and improve tooling to reduce friction in the developer loop and maximize engineering velocity.
• Mentor engineers and raise the bar on technical standards, code quality, and delivery practices through design reviews, guidance, and example.
• Partner with QA to lead Chime's mobile release process across iOS and Android.
• Build and scale AI-enabling app development infrastructure to support increased product velocity.

To thrive in this role, you have

• 5+ years of experience in cross-platform, mobile development, ideally with React Native.
• A collaborative mindset, excellent communication skills, and a drive to document and share what you build.
• Strong fluency in TypeScript and familiarity with React, React Native.
• Experience with iOS and Android build, configuration, and distribution systems.
• Shipped apps that are used by millions of users.
• A track record of profiling and improving app performance.
• Familiarity with observability and analytics tools like Bugsnag, Datadog, Sentry, or Hex.
• Deep understanding of server-client architecture, leveraging GraphQL and performance profiling (e.g., memory pressure, screen latency, optimizing time to interactive, preloading).
• Experience with mobile build infrastructure platforms such as Bitrise, CircleCI, or GitHub Actions.

Nice-to-have

• Experience with feature flag systems, runtime controls, or OTA delivery frameworks (e.g., Expo Updates, CodePush).
• Experience building the infrastructure that supports AI-native mobile development.
• Familiarity with state management tools like Redux, React Context, AsyncStorage, or MMKV.
• Scaled mobile quality practices and testing frameworks.

#LI-Onsite #LI-WS1

Pay and benefits

Below is the base salary offered for this role and level of experience. Full-time employees may also be eligible for bonus(es), competitive equity, and benefits. For commissioned roles, the base salary listed in this job description does not include incentive/variable pay. The actual base salary offered may be higher, depending on your location, skills, qualifications, and experience.

Wage Notice $164,000—$227,000 USD

Because if we don't-who will?

*Chime is a financial technology company, not a bank. Banking services provided by The Bancorp Bank, N.A. or Stride Bank, N.A., Members FDIC.

What we offer for our full-time, regular employees

• Our in-office work policy is designed to keep you connected - with four days a week in the office and Fridays from home for those near one of our offices, plus team and company-wide events depending on location. Whether you're coming in regularly or are part of our fully remote program, you'll stay engaged with your work and teammates.
• Benefits that support your work and life, including backup child, elder, and pet care and subsidized commuter benefits for eligible employees.
• Comprehensive health, financial, and wellbeing benefits designed to support you at every stage of life.
• Generous vacation policy and company-wide paid days off
• 1% of your time off to support local community organizations of your choice
• Annual wellness stipend to use towards eligible wellness related expenses
• Up to 22 weeks of paid parental leave for birthing parents and 12 weeks of paid parental leave for non-birthing parents
• Access to family planning reimbursement
• A challenging and fulfilling opportunity to join one of the most experienced teams in FinTech and help millions unlock financial progress

• We know that great work can't be done without a diverse team and inclusive environment.
• That's why we specifically look for individuals of varying strengths, skills, backgrounds, and ideas to join our team.
• We believe this gives us a competitive advantage to better serve our members and helps us all grow as Chimers and individuals.

To learn more about how Chime collects and uses your personal information during the application process, please see the Chime Applicant Privacy Notice.