Jethro Liu

Full-stack Engineer

Work Experience

Rakuten, Inc.

Full-stack Engineer (Long-term Intern), Aug 2025 - Present

Tokyo, Japan

  • Developing agent-related features for Rakuten AI, including conversation optimization, token statistics, and local model deployment
  • Working on AI chat platform development and optimization

Mercari, Inc.

iOS Software Engineer (Winter Intern), Jan 2025 - Mar 2025

Tokyo, Japan

  • Responsible for development of Logistics-related features in Mercari, including transaction shipping methods
  • Led module architecture migration based on internal "Atom Architecture", transitioning modules from architectureV1 to architectureV2

Desoul Inc

iOS Application Development Engineer (Part Time), 2024.5 - Present

Remote, Japan

  • Independently developed the DODOFLASH application
  • Responsible for page refactoring, feature iterations, and performance optimization

ExaWizards Inc

Full-stack Application Development Engineer (Summer Intern), 2024.8 – 2024.9

Tokyo, Japan

  • Full stack development with Kotlin + WASM for frontend and Ktor framework for backend
  • R&D app development using Kotlin, TypeScript, and Python

Alibaba Group

Software Development Engineer, Taobao Department, 2021 – 2023

Hangzhou, China

Responsible for live streaming and short video related development in Taote app, as well as part of performance optimization.

Taote Seller App:

  • Led the development of the iOS section of the live streaming's start-up feature, transitioning from mini-program to native&Flutter.
  • Implemented core functionalities such as beautification and noise reduction, optimizing streaming modes which doubled the daily broadcasting frequency.
  • Pioneered the use of Flutter in the live streaming segment, developing critical features such as the commodity pocket and beauty tools. Established foundational broadcasting capabilities including a Flutter video streaming component and native channel capabilities.

Taote Buyer App:

  • Managed daily business iterations under the "Watch Videos" tab, including the implementation of the comments panel, voting systems, and multimedia integration.
  • Developed the content community's media publishing capabilities, enhancing the multimedia functionalities from scratch and improving UGC publication pathways.
  • Served as the project manager for engineering excellence, responsible for coding standards and testing across the team. Established a complete workflow for each iteration, including build, test, review, and integration.

Daraz Seller App (International Digital Business Department):

  • Primarily responsible for the development of seller functionalities including product listings, merchant onboarding, and coupon management.

TP-LINK

Software Development Engineer, 2020 – 2021

Hangzhou, China

  • iOS development with Swift for security tester and battery doorbell features
  • Debugging of embedded devices and Jenkins configuration management

Education

Waseda University

Japan

Master of Engineering in Computer Science

2024 - 2026
  • Monbukagakusho Honor's Scholarship (2024)

Central South University

China

Bachelor of Engineering in The Internet of Things Engineering

2016 - 2020
  • Second Prize of the 12th "Sublimation Cup" Student Entrepreneurship Competition
  • Third Prize of the Second Intelligent Interconnection Competition
  • Lenovo Intelligent Eco College Innovation Competition Central China Top Ten

Languages, Skills and Technologies

  • Programming Languages: Swift, Objective-C, C/C++, Python, SQL, Kotlin
  • Frameworks & Tools: UIKit, SwiftUI, Flutter, Ktor, Jenkins
  • Languages: English (Fluent), Japanese (Beginner), Mandarin (Native)

Contact