Job Description

Senior Software Engineer, Platform (Mobile)

We are looking for a Senior Software Engineer to lead Geminis mobile client development platform. You will shape modern tooling, influence best practices, and work crossfunctionally across our engineering teams.

Location : New York, NY or San Francisco, CA; inperson twice a week (hybrid option available).

Responsibilities

• Collaborate with crossfunctional teams to design, develop, and deliver highquality mobile applications.
• Lead architectural initiatives to enhance app performance, scalability, and reliability.
• Establish and advocate for best practices in mobile development, code quality, and security standards.
• Develop efficient and reusable UI components while ensuring maintainability and reliability.
• Scope and independently implement features, making informed design and engineering decisions.
• Continuously monitor app performance, utilizing observability tools to identify and resolve issues.
• Improve developer experience through scalable app architectures and refined development processes.
• Conduct meaningful code reviews and mentor team members to foster technical growth and innovation.
• Partner with stakeholders to define and execute on architectural rollout strategies.
• Stay updated on industry trends, tools, and technologies to incorporate best practices into the development process.
• Address crossteam engineering challenges, contributing to the overall growth and success of the organization.

Minimum Qualifications

• 4+ years of experience in mobile development, with at least 2+ years in React Native.
• Proficient in JavaScript/TypeScript and capable of working with native mobile platforms (Swift/ObjectiveC and/or Java/Kotlin).
• Expertise in React Native, navigation libraries (especially React Navigation), lifecycles, state management, and performance optimization.
• Demonstrable experience in debugging, framework migrations, refactoring, and adopting mobile best practices.
• Familiarity with CI processes (e.g., GitHub Actions) and automated testing (unit, integration, and endtoend).
• Able to quickly debug and address mobile performance related issues.
• Knowledge of mobile best practices and ability to bring new innovations into the product.
• Deep understanding of engineering and operational excellence, and datadriven decisionmaking.
• Strong collaboration skills and ability to prioritize effectively in dynamic environments.

Preferred Qualifications

• Strong understanding of UX/UI concepts with a proven ability to contribute to design and product decisions.
• Experience using data to influence product decisions.
• Experience on a platform team.
• Experience with animation libraries like Reanimated and/or Skia.
• Experience with implementing design system components.
• Experience with shared codebases between web and mobile.
• Knowledge of crypto and/or blockchain.

Compensation & Benefits

• Competitive starting salary.
• Discretionary annual bonus.
• Longterm incentive via newhire equity grant.
• Comprehensive health plans.
• 401(k) with company matching.
• Paid parental leave.
• Flexible time off.

Salary Range : $140,000 $200,000 annually (base) in New York, California, and Washington, excluding bonus and equity.

EEO Statement : We are committed to equal employment opportunity and diversity. Candidates requiring accommodation should contact the People Team.

Application : Submit your resume and cover letter through the link provided in the job posting.

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