Principal Software Engineer, Platform (Mobile, React Native)

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

About the CompanyGemini is a global crypto and Web3 platform founded by Tyler Winklevoss and Cameron Winklevoss in 2014. Gemini offers a wide range of crypto products and services for individuals and institutions in over 70 countries.Crypto is about giving you greater choice, independence, and opportunity. We are here to help you on your journey. We build crypto products that are simple, elegant, and secure. Whether you are an individual or an institution, we help you buy, sell, and store your bitcoin and cryptocurrency.At Gemini, our mission is to unlock the next era of financial, creative, and personal freedom.The Department: PlatformOur Platform organization’s purpose is to enable Gemini to scale effectively and empower our engineering teams to focus on building innovative financial products and experiences for individuals around the world. Platform focuses around building a scalable and secure foundations platform, enabling Engineering to deploy, validate, and operate their services in production, improve resiliency of the service and increase organizational efficiency by reducing operational toil and increase system efficiency through architectural evolution.The Client Platform team provides a horizontal function that supports and maintains core client development for web and mobile, providing the GraphQL service, testing infrastructure, frontend CI/CD pipeline development, maintaining the Hubble Design System and providing standards for future client development. The team’s mission is to be the force multiplier for other client teams so that they can deliver with quality and speed.The Role: Principal Software Engineer (Mobile)You will be a core part of leading Gemini’s mobile client development practices, both by contributing to and adopting modern tooling for the mobile client from both a client architecture and CI process standpoint, working cross-functionally across Gemini’s engineering teams to influence and shape our development practices and culture.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.Minimum Qualifications:- 10+ years in mobile development and 5+ years in React Native development.- Proficient in Swift/Objective-C and/or Java/Kotlin for native mobile platforms.- Experience implementing navigation libraries and strategies.- Demonstrable experience in debugging and improving React Native performance.- Experience in completing large scale migrations and refactoring of a codebase.- Familiarity with CI processes like Github Actions.Preferred Qualifications:- Knowledge of crypto and/or blockchain.- Experience in implementing shared codebases between web and mobile.It Pays to Work HereThe compensation & benefits package for this role includes:- Competitive starting salary- A discretionary annual bonus- Long-term incentive in the form of a new hire equity grant- Comprehensive health plans- 401K with company matching- Paid Parental Leave- Flexible time off

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.

Requirements

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

Tech stack

• GitHub Actions
• React Native
• Objective-C
• Frontend Development
• Swift
• Kotlin
• Blockchain development