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Klaviyo

Software Engineer II (Mobile Developer - Android/Kotlin) - Mobile App Growth

Boston, MAFrom $174kmidAdded 1 month ago

About this role

Join Klaviyo's Mobile App Growth team as an Android/Kotlin specialist to design and maintain the Android SDK that powers personalized mobile app experiences for thousands of customers. You'll own Android development while contributing to cross-platform SDKs (iOS, React Native, Flutter) and backend services for in-app messaging, universal linking, geofencing, and emerging products like mobile inbox.

What you'll do

  • Design, build, and ship features and fixes to the Android SDK used across diverse third-party apps and OS versions
  • Diagnose and resolve SDK issues reported by customers, debugging across multiple devices and environments
  • Contribute to other mobile SDKs (iOS, React Native, Expo, Flutter) and backend services supporting in-app messaging and geofencing
  • Write well-tested code, participate in code and design reviews, and maintain production Android code
  • Collaborate with product and engineering teams to ensure consistent tracking and messaging behavior across platforms
  • Create documentation, sample apps, and integration guides to help customers adopt the SDKs

What they're looking for

  • Android development with Kotlin (1-3 years professional experience)
  • Android lifecycle, threading, and Gradle
  • Unit, integration, and instrumentation testing; CI/CD for mobile
  • SDK/library development and cross-device debugging
  • Webviews and location services
  • Python, React, or AWS (as team needs evolve)
  • iOS/Swift or backend services experience (bonus)
  • Push notification and messaging systems (bonus)

Benefits

  • Work on foundational technology used by thousands of customers
  • Opportunity to grow beyond Android into multiple platform areas
  • Exposure to greenfield projects including mobile inbox
  • Collaborative culture valuing diverse backgrounds and perspectives
  • Flexibility to develop expertise across mobile, backend, and infrastructure
  • Clear ownership of end-to-end outcomes
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Klaviyo

Klaviyo builds a platform for personalized mobile app experiences and customer engagement, offering SDKs, identity and access management services, and onboarding solutions. The company is hiring software engineers across mobile development, identity systems, product activation, and internal platform teams.

Website
klaviyo.com
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Likely interview questions

  • Tell us about your experience shipping and maintaining production Android code. What Android lifecycle or threading challenges have you debugged?
  • Describe a time you had to debug an issue across multiple devices, OS versions, or third-party environments. How did you approach it?
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