iOS SDK Engineer in San Jose, CA

Chris Leonavicius

I build mobile SDKs and apps.

crleona@gmail.com San Jose, CA

Experience

Staff Software Engineer, SDK Tech Lead

Amplitude

2024-Present

Product analytics platform. Public SDK work: Amplitude-Swift, Session Replay iOS, and AmplitudeUnified-Swift.

  • SDK tech lead, owning iOS work and setting direction across Amplitude's SDKs.
  • Led cross-team SDK unification across iOS, Android, and Web, creating a one-line, remotely configured host for Amplitude products.
  • Created the shared Session Replay architecture used across iOS, Android, and Flutter.
  • Built iOS Session Replay from zero to production in my first six months (sample recording).
  • Shipped Android Jetpack Compose Session Replay with one other engineer.

Software Engineer

HalloApp

2021-2024

End-to-end encrypted social network founded by early WhatsApp employees. Sequoia backed. iOS code.

  • Led Magic Photos / Photo Suggestions, from photo-library sync and clustering through notifications and post flow.
  • Built product features including audio posts, external post sharing, and the new grid-style Groups screen.
  • Improved background upload and share-extension reliability.

Staff Engineer, Lead of iOS Horizontal UI Engineering

LinkedIn

2018-2021

  • Led development of a 30 component shared UI library that met WCAG accessibility standards and worked across three layout systems.
  • Helped plan LinkedIn's next generation design system and implemented it as a theming layer to lower transition costs.

Staff Engineer, Careers Mobile

LinkedIn

2017-2018

  • Implemented one-click apply on iOS, increasing applications by 10%.
  • Modernized the Job Search app's Swift codebase.
  • Reduced build time of LinkedIn's flagship app by 5%.

Lead Mobile Engineer

Accompany

2014-2017

Digital chief-of-staff app.

  • As the sole iOS developer, led development of a prototype into an app featured in Apple's "New Apps We Love".

Founding Engineer

Shopular

2013-2014

Location aware shopping app. Y Combinator and Sequoia backed.

  • Developed the native iOS app, which broke the App Store top 100 and averaged nearly five stars over thousands of ratings.
  • Led a small team that built the native Android app.
  • Built Python and Django APIs and tools for a geolocation backend serving millions of users daily.

Senior Software Engineer, Playback Team

Ooyala

2011-2013

Video streaming service provider.

  • Built video players and SDKs for iOS, Android, HTML5, and Flash.
  • Implemented DRM integrations including Widevine and Flash Access.

Consultant / Intern

Booz Allen Hamilton

2008-2011

  • Developed analytics and support tooling for DIA PKI systems.

Education

BS in Computer Science

Carnegie Mellon University

2006-2010

Contact