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.

The base salary offered for this role and level of experience will begin at $ and up to $. Full‑time employees are also eligible for a bonus, competitive equity package, and benefits. The actual base salary offered may be higher, depending on your location, skills, qualifications, and experience.

• 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.

• 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 Type Script 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 Git Hub Actions.

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

• 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.
• In‑office perks including backup child, elder, and/or pet care, plus a subsidized commuter benefit to support your regular commute.
• Competitive salary based on experience.
• 401k match plus great medical, dental, vision, life, and disability benefits.
• Generous vacation policy and company‑wide Chime Days, bonus 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 24 weeks of paid parental leave for birthing parents and 12 weeks of paid parental leave for non‑birthing parents.
• Access to Maven, a family planning tool, with $15,000 lifetime reimbursement for egg freezing, fertility treatments, adoption, and more.
• In‑person and virtual events to connect with your fellow Chimers—think cooking classes, guided meditations, music festivals, mixology classes, paint nights, etc., and delicious snack boxes, too.
• A challenging and fulfilling opportunity to join one of the most experienced teams in Fin Tech and help millions unlock financial progress.

Chime is proud to be an Equal Opportunity Employer. We consider qualified…