# Senior Software Engineer, Mobile
**Company:** [ZoomInfo](https://hotfix.jobs/companies/zoominfo)
**Location:** Bethesda, MD, Waltham, MA
**Salary:** $140K-$220K
**Experience:** 6+ years
**Skills:** React Native, JavaScript, TypeScript, Redux, Mobx, Jest, React Native Testing Library, REST APIs, GraphQL, Node.js
**Posted:** 2026-06-26
> Design, develop, and maintain production React Native mobile apps across iOS and Android. Requires 6+ years of mobile development experience, strong JS/TS proficiency, and experience with state management and testing frameworks.
## Job Description
## What You'll Do
- Design, develop, and maintain high-quality features across multiple production mobile applications using React Native, with a focus on performance, responsiveness, and reliability
- Partner closely with product managers, UI/UX designers, and backend engineers to translate requirements into well-architected, shippable features
- Write clean, maintainable, and testable code using JavaScript and TypeScript, applying architectural patterns that support scale across iOS and Android
- Lead and actively participate in code reviews, setting a high technical bar and sharing knowledge to elevate the broader engineering team
- Diagnose and resolve complex bugs and performance issues — identifying root causes and implementing durable solutions
- Mentor junior engineers, invest in their growth, and contribute to a strong, inclusive engineering culture
- Evaluate emerging React Native advancements and mobile development trends, and apply relevant innovations to continuously improve our platform

## What You Bring

### Must-Have
- 6+ years of experience in mobile application development, with a strong focus on React Native, or an equivalent combination of education and hands-on experience
- Strong proficiency in JavaScript and TypeScript, including experience with state management libraries such as Redux or MobX
- Demonstrated experience building and maintaining complex, production-grade React Native applications across iOS and Android
- Hands-on experience with testing frameworks (e.g., Jest, React Native Testing Library) and a commitment to test-driven development practices
- Strong cross-functional collaboration, communication, and analytical problem-solving skills

### Preferred
- Familiarity with RESTful APIs, GraphQL, and asynchronous programming patterns
- Working knowledge of Node.js for build tooling, scripting, or backend-for-frontend (BFF) integrations
- Experience with CI/CD pipelines for mobile applications and automated deployment processes
- Experience with mobile performance optimization, including memory management and battery efficiency
**Apply:** https://hotfix.jobs/jobs/senior-software-engineer-mobile-at-zoominfo-ec225654-256d-4e17-b7ae-43c1745c7707
**Canonical:** https://hotfix.jobs/jobs/senior-software-engineer-mobile-at-zoominfo-ec225654-256d-4e17-b7ae-43c1745c7707