Principal Mobile Architect & Performance Lead

Gemini; New York (NY); On-site; USD 180,000 - 260,000; Full time

Benefits offered by this job

Competitive salary

Annual bonus

Equity grant

Health plans

401k match

Parental leave

Flexible time off

Job summary

Gemini is seeking a Principal Software Engineer (Mobile) to lead mobile client development, shaping architecture and CI processes across engineering teams. The role focuses on elevating the mobile stack, improving performance, and delivering secure, scalable experiences for users.

You will drive architectural decisions, enforce best practices, and collaborate with product, security, and platform teams to rollout scalable solutions across iOS/Android and React Native ecosystems.

Qualifications

• 10+ years in mobile development and 5+ years in React Native.
• Proficient in Swift/Objective-C and/or Java/Kotlin for native mobile platforms.
• Experience with navigation libraries and performance debugging.
• Experience with large migrations and refactoring of a codebase.
• CI processes like Github Actions.

Responsibilities

• Drive architectural decisions that will advance the mobile app to a modern development stack.
• Establish and automate the enforcement of best practices in mobile development and code quality.
• Lead the initiatives to architect solutions to improve the performance of the mobile application.
• Monitor app performance and identify and debug performance related issues using observability tooling.
• Collaborate and lead on scoping, planning and executing on cross-functional projects that benefit the client application
• Implement solutions that further the improvement of developer experience with app architecture that scales and is reliable.
• Work closely with relevant stakeholders for the mobile client to execute on architectural rollout strategies.
• Play a key role in technical evaluation of potential tools, libraries and vendor contracts.
• Ensure that the mobile app adheres to security standards and compliance requirements.

Skills

Mobile development

React Native

Swift/Obj-C

Java/Kotlin

Performance debugging

Tools

GitHub Actions

React Native

Objective-C

Swift

Kotlin

Job description

Gemini is seeking a Principal Software Engineer (Mobile) to lead mobile client development, shaping architecture and CI processes across engineering teams. The role focuses on elevating the mobile stack, improving performance, and delivering secure, scalable experiences for users.

You will drive architectural decisions, enforce best practices, and collaborate with product, security, and platform teams to rollout scalable solutions across iOS/Android and React Native ecosystems.