Senior Software Engineer, Mobile Engineer (Bethesda)

ZoomInfo is a go-to-market platform that combines B2B data with marketing and sales AI. 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.

Key responsibilities

• Design, develop, and maintain high-quality features across multiple production mobile applications using React Native, with a focus on performance
• 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
• 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

Requirements

• 6+ years of experience in mobile application development, with a strong focus on React Native, or an equivalent combination of education
• 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

Location and schedule

• Onsite in Bethesda, Maryland

Salary and benefits

US base salary $140,000 to $220,000 a year. ZoomInfo also offers benefits; the full list is on the posting.

How to apply

Apply on the company's own site.