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Yuki Tanaka

Senior Android Developer at Lyft

Summary

Experience

Senior Android DeveloperLyft
San Francisco, CAMar 2021Present
  • Led the development of a new real-time ride-sharing feature using Kotlin and Jetpack Compose, resulting in a 15% increase in user engagement and 10% faster transaction times.
  • Optimized existing Android application performance by refactoring critical modules, reducing app launch time by 200ms and improving crash rate by 1.8%.
  • Mentored junior developers on best practices for Android architecture (MVVM) and testing, improving team code quality by 25%.
  • Collaborated with product and design teams to translate complex requirements into intuitive user interfaces, achieving a 90% positive feedback rating for new features.
  • Implemented robust CI/CD pipelines using GitLab CI, reducing build and deployment times by 30%.
Android DeveloperChime
San Francisco, CAJun 2018Mar 2021
  • Developed and maintained core features for Chime's mobile banking application, reaching over 12 million users.
  • Integrated new third-party financial APIs, enabling 3 new product offerings and increasing user adoption by 15% in the first quarter.
  • Reduced API response times by an average of 150ms through efficient data caching and asynchronous operations.
  • Contributed to a significant architectural migration from MVP to MVVM, enhancing code maintainability and testability for 50+ modules.
  • Participated in on-call rotations, quickly diagnosing and resolving critical production issues, minimizing downtime by 99.5%.

Projects

Education

Stanford UniversityMaster of Science in Computer Science
Stanford, CASep 2016May 2018
  • Achieved a GPA of 3.9/4.0, specializing in Mobile Computing and Software Engineering.
  • Published a research paper on optimizing mobile battery life in multi-threaded applications at the ACM MobiCom conference.
University of California, BerkeleyBachelor of Science in Computer Science
Berkeley, CASep 2012May 2016
  • Graduated Summa Cum Laude with a 3.85 GPA.
  • Awarded the Departmental Citation for outstanding academic achievement in Computer Science.

Skills

Programming Languages
KotlinJavaPythonSQL
Mobile Development
Android SDKJetpack ComposeMVVMMVPMVIMaterial DesignGradleAndroid Studio
Tools & Technologies
RESTful APIsGitGitLab CI/CDJiraFirebaseRoomDagger HiltCoroutinesFlow
Methodologies
AgileScrumTDDUnit TestingIntegration TestingCode Reviews
Cloud Platforms
AWS (S3, Lambda)Google Cloud Platform (Firestore)