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Toyama Hiroshi | Gravity Talent Portal

Toyama Hiroshi

Toyama Hiroshi

Frontend Developer

https://talent.gravityer.com/toyama-hiroshi

Data Engineer. Recently building machine learning infrastructure. #redash #presto #fluentd #embulk #ruby #java #aws #python

DeNA Co.

AI is analyzing your overall score…

Identifying your key strengths…

Evaluating your skill match against the job requirements…

Assessing your cultural and operational fit

TokyoMember since June 21, 2026

https://talent.gravityer.com/toyama-hiroshi

Top Skills

RubyShellHTMLPythonHCL

Skills

RubyShellHTMLPythonHCL

Experience

DeNA Co.

Frontend Developer

June 21, 2026 – Present

Projects

awscost

December 4, 2019 – Present

table console view cost of aws.

pec2

November 22, 2016 – December 5, 2018

Run parallel ssh command for ec2.

embulk-input-presto

December 7, 2015 – March 23, 2017

Facebook Presto input plugin for Embulk.

kondate

November 22, 2015 – June 16, 2020

Kondate is yet another nodes management framework for Itamae/Serverspec

embulk-parser-ltsv

August 21, 2015 – October 15, 2015

Ltsv parser plugin for Embulk

ec2-host

August 8, 2015 – May 20, 2019

Search and get hosts on AWS EC2 by tags

fluent-plugin-http_shadow

January 26, 2015 – April 1, 2018

copy http request. use shadow proxy server.

ej

August 5, 2014 – November 28, 2017

Very few typing Elasticsearch Client

fluent-plugin-mysql-bulk

January 3, 2014 – February 22, 2016

fluent plugin mysql bulk insert is high performance and on duplicate key update respond

fluent-plugin-mysql

April 14, 2012 – Present

fluent-plugin-mysql — repository

Key Strengths

Experience as a Frontend Developer at DeNA Co.
Demonstrated initiative through numerous personal projects.

Cultural & Operational Fit

Cultural Fit Analysis

The candidate's personal projects are heavily focused on Ruby, Shell, and Python for backend/devops tooling, which does not directly align with a Frontend Developer target role. While demonstrating technical aptitude, the project diversity does not strongly support a frontend-centric cultural fit.

Soft Skills & Operational Fit

Insufficient data to assess soft skills and operational fit. Psychometric test scores are 0, providing no insight.