Senior Software Engineer, Mobile Tech Lead

ZoomInfo is where careers accelerate. We move fast, think boldly, and empower you to do the best work of your life. You'll be surrounded by teammates who care deeply, challenge each other, and celebrate wins. With tools that amplify your impact and a culture that backs your ambition, you won't just contribute. You'll make things happen-fast.

Our dynamic mobile team is at the forefront of developing and maintaining our suite of cutting-edge mobile applications. We are dedicated to delivering exceptional user experiences and expanding the capabilities of our mobile platform to include innovative features like agentic chat and advanced workflows. We are a fast-paced, collaborative, and innovative team that values clean code, continuous learning, and pushing the boundaries of mobile technology.

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

• 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