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Japanese version: Haruki Sato - Resume (ja)

Google Doc version: https://docs.google.com/document/d/1ugjmzxuSkIZ1ddAX4IA1WDmvNVbOJOk98TXR2nZXz24/edit

Professional Summary

I am an experienced software engineering manager with over 15 years of experience developing end-user internet services. For the past eight years, I have managed diverse international teams of up to 40 members. I am currently leading teams in the development organization at LY Corporation (LINE Yahoo in Japan), focusing on server-side development for the LINE app. I am skilled in fostering collaboration across multiple locations and cultures, including Japan, South Korea, Tokyo, and Fukuoka.

Core Strengths

  • Leadership: Through my effective leadership, I have successfully managed and led teams of up to 40 members across multiple locations and cultures, consistently delivering high-quality outcomes.

  • Technical Expertise: I am proficient in a wide range of programming languages, including Java, JavaScript, HTML, CSS, C++, and OCaml, and I have extensive experience in both backend and frontend web development.

  • Project Management: Successfully managed large-scale projects such as LINE Stickers and LYP Premium, overseeing complex development processes and ensuring timely delivery of high-quality outcomes.

  • Problem-Solving: Analytical approach to technical challenges, providing practical solutions that drive project success.

  • Communication: I have Business-level proficiency in Japanese and English, facilitating effective collaboration in multilingual and multicultural teams.

  • User-Centric Development: I deeply understand user needs and am focused on delivering easy-to-use and practical solutions that effectively meet those needs.

  • Continuous Learning: I am deeply committed to learning new technologies and methodologies, ensuring I stay ahead in the rapidly evolving tech landscape and can bring the latest innovations to my work.

Professional Experience

LY Corporation

Senior Engineering Manager
October 2023 – Present

  • I am leading the development team, focusing on LINE Sticker-related functionalities.

  • I am managing cross-functional and international teams to drive project success.

LINE Corporation

Senior Engineering Manager
August 2020 – September 2023

  • I managed a team of 40 members across Tokyo and Fukuoka.

  • Oversaw features on the LINE App, including LINE Stickers, Home tab, Wallet tab, and LINE STORE, ensuring seamless integration among LINE App and other LINE services.

  • I participated in the organizational restructuring and communication planning for the merger with Yahoo Japan.

Engineering Manager
September 2016 – July 2020

  • I managed a team of 15 members, collaborating with small teams in Tokyo and South Korea.

  • Led team-building efforts, introduced SRE practices, and supported the implementation of Product Management methodologies.

Software Engineer
September 2013 – August 2016

  • Developed and maintained the backend and frontend systems for LINE Stickers, including animated stickers and other new features.

  • I contributed to the initial development of LINE Pay, integrating financial functions with the messenger app.

  • Worked on developing the LINE STORE service, a web platform for LINE stickers, themes, and other paid digital content in LINE.

Google Japan

Software Engineer
April 2008 – August 2013

  • I participated in developing and maintaining mobile search UI for feature phones and smartphones, ensuring compatibility with diverse devices in the Japanese market.

  • I led a small team to improve and maintain mobile personal homepage services.

  • We analyzed user statistics to propose UI improvements and integrated social networking services with desktop user interfaces.


Master of Information Science and Technology

The University of Tokyo, Graduate School of Information Science and Technology
April 2007 – March 2008

  • Research in type systems at Yonezawa Lab.

Bachelor of Science in Information Science

The University of Tokyo, Faculty of Science
April 2002 – March 2007


Available upon request.

You can find additional information at https://text.sickhack.net/c/650739755/.