Mobile Application Developer Resume Sample

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Yuki Tanaka
Mobile Application Developer

Crafting fast, polished native iOS and Android apps

[email protected]
+81 3 5550 1239
github.com/yuki-tanaka

Mobile application developer with eight years building native iOS and Android apps for consumer and fintech companies in Tokyo. Specialises in native development — Swift and Kotlin — crafting apps that feel fast, polished and genuinely native on each platform, and that hold up under millions of users. Built an app that reached the top of its category and rebuilt a legacy app to cut crashes sharply. Designs and builds native apps, integrates APIs and SDKs, optimises performance and battery, ships through the app stores, and writes clean, testable code. Skilled, detail-focused and platform-native. Looking for a senior mobile-developer or mobile-lead role with a company that cares about a truly excellent app experience.

Work Experience
Tokyo Fintech Apps - Tokyo, Japan

Mobile Application Developer January 2019 to Present 7 years & 10 months

Craft native iOS and Android apps that feel fast and polished and hold up under millions of real users.
Built an app that reached the top of its category and rebuilt a legacy app to cut crashes sharply.
Design and build native apps in Swift and Kotlin, making each one feel genuinely native on its platform.
Integrate APIs, SDKs and payments, connecting the app cleanly to backend services and third-party tools.
Optimise performance, memory and battery, so the app stays fast and smooth on real devices, not just new ones.
Ship through the app stores and write clean, testable code, keeping releases reliable and the codebase healthy.
Tokyo Software Studio - Tokyo, Japan

iOS Developer April 2016 to December 2018 2 years & 9 months

Built and maintained iOS apps for clients, learning native mobile development hands-on under senior engineers.
Shipped features and fixed bugs, building Swift and platform skills over more than two years.
Learned native development, app architecture and the release process on the job during this first role.
Gained the experience and skills that led into a full mobile-application-developer role of my own.
Education
University of Tokyo

BSc in Computer Science (April 2012 to March 2016)

Degree in computer science covering software engineering, mobile development, algorithms and systems, with projects. The programme built the technical foundation high-quality native mobile development requires. It led directly into mobile.
Google / Apple Developer Programs

iOS & Android Development Certifications (August 2016 to January 2017)

Certifications in iOS and Android development to recognised standards. They deepened the platform-specific toolkit. They supported building polished, performant native apps and shipping them through the app stores.
Highlights
Top-of-category app
Built an app that climbed to the top of its app-store category. Reaching the top of a category means real users chose and rated the app highly, the clearest proof that the experience genuinely delivered.
Cut crashes sharply
Rebuilt a legacy app and cut its crash rate sharply. Crashes drive users away and wreck ratings, so a big drop in crashes directly improves retention, reviews and the reputation of the whole product.
App Rebuild
Legacy App Rebuild

Mobile Application Developer (January 2021 to September 2021)

Led the rebuild of a legacy mobile app, modernising the architecture and code in Swift and Kotlin, which sharply reduced crashes, improved performance and lifted the app's store ratings and user retention.
Activities & Interests
Treadmill
Cinema
Holidays
Walking
Games
Certifications
iOS & Android Development Certifications

Google / Apple Developer Programs (January 2017 to Present)

Certifications in iOS and Android development to recognised standards, which deepened the platform-specific toolkit and support building polished, performant native apps and shipping them through the app stores.
Technical Skills
  • Swift (iOS)
  • Kotlin (Android)
  • Native App Architecture
  • API & SDK Integration
  • Performance Optimisation
  • App Store Deployment
  • UI/UX Implementation
  • Testing & Debugging
  • Mobile Security
  • Git & CI/CD
Langauges
Japanese
Native or Bilingual Proficiency
English (US)
Full Professional Proficiency
Personal Info
Location
Tokyo, Japan
Nationality
Japanese
Gender
Male
Notice Period
2 months
Date of Birth
1994-09-12
Personal Skills
Attention to Detail
Problem Solving
Craftsmanship
Focus
Collaboration

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