Atsushi Takayama
Senior System Design Engineer And Architect at Hitachi
Japan
Summary
👤
Senior🎓
Top SchoolAtsushi Takayama is a Senior System Design Engineer and Architect at Hitachi with 15 years' experience designing power systems and leading smart grid and smart city projects across Japan, the US and Europe. He blends deep electrical engineering expertise—contributing to Japan’s first smart meter and island smart grid initiatives—with software and embedded systems skills demonstrated in open-source work on the V7 JavaScript engine and Mongoose OS for IoT platforms. At Hitachi he has moved between technical leadership and business-collaboration roles, owning bids, technology integration for EMS projects, and cross-border project delivery. His background is complemented by an MBA from Babson College, reflecting a pragmatic mix of technical depth and commercial strategy. Colleagues describe him as a systems thinker who surfaces practical engineering fixes (for example, handling AST size limits in embedded JS) that materially improve product robustness.
15 years of coding experience
13 years of employment as a software developer
Bachelor of Engineering - BE, Electric Engineering, 3.4, Bachelor of Engineering - BE, Electric Engineering, 3.4 at 同志社大学Master of Business Administration - MBA, Two-year MBA, Master of Business Administration - MBA, Two-year MBA at Babson College - Franklin W. Olin Graduate School of Business
Github Skills (20)
javascript10
c-language10
abstract-syntax-tree10
c1110
ruby10
c1710
iot10
javascript-engine10
sys10
embedded10
cprogramming-language10
mysql9
testing9
webscraping9
firmware9
Programming languages (13)
Github contributions (5)
catatsuy/private-isu
Feb 2016 - May 2016
a web application performance improvement training
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 163 commits, 28 PRs in 2 months
Contributions summary:Atsushi's primary contributions focused on developing and modifying back-end scripts and data loading processes for an application. This included the creation of an image scraping script using JavaScript and the development of initial data generation scripts, with the manipulation of Ruby code. Furthermore, the user worked on database-related tasks, such as generating a MySQL dump file. The user also made enhancements related to data handling and character encoding within the application.
vueisucon
cesanta/v7
Aug 2015 - Sep 2015
Embedded JavaScript engine for C/C++
Role in this project:Backend Developer
Backend DeveloperContributions:6 commits, 6 PRs, 14 comments in 12 days
Contributions summary:Atsushi primarily focused on the embedded JavaScript engine's core functionality, modifying the abstract syntax tree (AST) implementation. They addressed issues related to AST size limitations, introducing a flag to support larger ASTs. The user also improved the test suite by initializing the AST for each test case and handling potential AST overflow errors. Furthermore, the user refactored and improved the `v7_apply` function.
javascript-enginecppjavascriptembeddedembedded-javascript
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