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Pedro Kirstein

Pedro Kirstein

Senior Mobile Engineer

Tecnologia / Internet

São Paulo, São Paulo

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Sobre Pedro Kirstein:

With over 5 years of hands-on experience in mobile development, I’ve built and led cross-platform projects using Flutter, Swift, Kotlin, and React Native. My work spans fintech, healthtech, and automotive, including apps that serve millions. I bring a mix of adaptability, strong communication, and a proactive mindset, qualities that help me navigate fast-moving teams and keep the user experience at the core of every decision.

Experiência

SóCarrão.com – Senior Mobile Engineer

  • Led the mobile development from scratch using Flutter.
  • Designed and implemented the entire app architecture and release pipeline
  • Integrated Google Analytics and Firebase Crashlytics, reducing crash rates by over 98%
  • Achieved 90% feature coverage with unit and E2E testing
  • Supported a platform with over 100,000 daily users

2Mundos – Senior Mobile Engineer

  • Contributed to two international projects: Datewise (Swift) and OccDocOne (Flutter).
  • Refactored legacy code, improving performance by 40%
  • Delivered features under tight deadlines without sacrificing quality
  • Implemented localization for multilingual user support

BrasilCard – Mobile Engineer

  • Developed features for a banking app with over 3 million users using Flutter.
  • Boosted engagement by 8% through push notifications and in-app messaging
  • Reduced error reports by 45% using Firebase Crashlytics
  • Built E2E test coverage for 30% of the app, reducing QA time

Dr.Cash – Mobile Engineer

  • Built a financial health app from the ground up with Flutter.
  • Implemented a modular architecture enabling fast feature rollout
  • Achieved 85%+ test coverage through robust unit testing
  • Served over 100,000 monthly active users

Tunts.Rocks – Mobile Engineer

  • Worked on two fintech apps (WhatsMoney and NovuCard) using Flutter.
  • Delivered key features like transaction filters and improved notifications
  • Reduced failure rates by 30% through bug fixing and performance improvements
  • Implemented unit tests to ensure business logic reliability

Educação

Software Engineer - PUCPR

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