Senior Mobile Developer

Summary

Join Sincere as a Senior Mobile Developer and build best-in-class apps for Punchbowl and Timehop. This role offers the chance to work on a growing team with record-breaking growth and an award-winning platform. The ideal candidate has 5+ years of native app development experience with a focus on consumer, subscription-based apps. You'll be responsible for creating structured, maintainable code and collaborating with a team. Sincere offers a fun, casual, and innovative work environment with excellent benefits.

Requirements

• 5+ years of native app development experience working on consumer apps (ideally, subscription-based)
• Strong Android development experience with Kotlin & Java
• Expert Knowledge of Android SDK and Android UI components, including JetPack Compose
• Familiarity with Swift, UIKit, and SwiftUI
• Demonstrated experience working on active apps (50k+ daily active users)
• Experience with subscription feature integration & management on Google Play Billing or StoreKit
• Proven ability to write clean, testable, and performant code
• Advanced knowledge of design principles, user interfaces, and mobile standards
• Expertise with monitoring tools like Embrace and Firebase Performance
• Excellent understanding of RESTful web services
• Ability to work in a collaborative environment, participating in pull requests and code review

Responsibilities

• Build best-in-class apps for Punchbowl and Timehop
• Create structured and maintainable code
• Work in a collaborative environment, participating in pull requests and code review

Preferred Qualifications

• App development experience with both Android & iOS
• Knowledge of the Google Play release process
• Experience with A/B testing frameworks & feature flags
• Strong understanding of CI/CD tools (Github Actions, Fastlane, Firebase, Gradle)
• Proficiency with dependency injection frameworks (Dagger/Hilt)
• Experience translating requirements into user stories, proactively leading product advancements

Benefits

• 100% Health, Dental & Vision coverage
• 401K Plan with Profit Share
• Annual bonus potential
• Health & Wellness stipends
• Paid time off plus 12 paid holidays & Summer Fridays
• Paid parental leave
• Childcare benefits (dependent care FSA)
• Flexibility to work from wherever you will be most effective
• In-person, all-expenses-paid Team Summits (2X a year)