Senior Software Engineer, Mobile Tech Lead

ZoomInfo Technologies LLC•Bethesda, MD

2h•$140,000 - $220,000•Hybrid

About The Position

ZoomInfo’s dynamic mobile team develops and maintains production mobile applications and expands the mobile platform with features such as agentic chat and advanced workflows. The team is fast-paced, collaborative, and innovative, with an emphasis on clean code, continuous learning, and advancing mobile technology. The Senior Software Engineer, Mobile Tech Lead designs, develops, and maintains features across mobile applications using React Native, with a focus on performance, responsiveness, and reliability. The role collaborates with product managers, UI/UX designers, and backend engineers to deliver well-architected features for iOS and Android. It also sets a strong technical bar through code reviews, mentorship, problem-solving, and evaluation of relevant mobile technology advancements.

Requirements

At least 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.
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 such as Jest or React Native Testing Library, and commitment to test-driven development practices.
Strong cross-functional collaboration, communication, and analytical problem-solving skills.

Nice To Haves

Familiarity with RESTful APIs, GraphQL, and asynchronous programming patterns.
Working knowledge of Node.js for build tooling, scripting, or backend-for-frontend integrations.
Experience with CI/CD pipelines for mobile applications and automated deployment processes.
Experience optimizing mobile performance, including memory management and battery efficiency.

Responsibilities

Design, develop, and maintain high-quality features across production mobile applications using React Native, focusing on performance, responsiveness, and reliability.
Collaborate with product managers, UI/UX designers, and backend engineers to translate requirements into well-architected, shippable features.
Write clean, maintainable, and testable JavaScript and TypeScript code using architectural patterns that support scale across iOS and Android.
Lead and participate in code reviews, set a high technical bar, and share knowledge with the engineering team.
Diagnose and resolve complex bugs and performance issues by identifying root causes and implementing durable solutions.
Mentor junior engineers and contribute to an inclusive engineering culture.
Evaluate React Native advancements and mobile development trends and apply relevant innovations to improve the platform.