Senior Mobile Cross Platform Engineer

Menlo Ventures; San Francisco (CA); Hybrid; USD 164,000 - 227,000; Full time

Benefits offered by this job

401k match

Medical benefits

Parental leave

Wellness stipend

Job summary

Chime is seeking a mobile platform engineer to help shape the React Native app, building the infrastructure and tooling that enable hundreds of engineers and millions of users to work faster, safer, and at scale.

You will join a collaborative team focusing on developer experience, performance, and reliable mobile releases, with a strong emphasis on observability, tooling, and AI-powered velocity.

Qualifications

• Experience with React Native and TypeScript in cross‑platform mobile apps.
• Proven ability to optimize performance and profiling.
• Experience with mobile build/infrastructure platforms.

Responsibilities

• 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 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.

Skills

React Native

TypeScript

Cross‑platform mobile development

Collaboration & communication

Performance profiling

GraphQL

Mobile CI/CD

Tools

Bitrise

CircleCI

GitHub Actions

Bugsnag

Datadog

Sentry

Hex

Job description

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 $164,000.00 and up to $227,000.00. 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.

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.

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.
• 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 FinTech and help millions unlock financial progress.

Chime is proud to be an Equal Opportunity Employer. We consider qualified applicants without regard to race, color, ancestry, religion, sex, national origin, sexual orientation, gender identity, age, marital or family status, disability, genetic information, veteran status, or any other legally protected basis under provincial, federal, state, and local laws, regulations, or ordinances. We will also consider qualified applicants with criminal histories in a manner consistent with the requirements of state and local laws, including the San Francisco Fair Chance Ordinance, Cook County Ordinance, NYC Fair Chance Act, and the LA City Fair Chance Ordinance, and consistent with Canadian provincial and federal laws. If you have a disability or special need that requires accommodation during any stage of the application process, please contact: [e-mail].

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