We build first instances

We are team of professionals who build and re-build products to make your service and team work efficiently.



We have knowledge to onboard your service and team to work for continuously growth.


We help building customers' first (or refine existing) product and highly scalable devops workflows.


We're experienced professionals who have integrated Cloud Based computing infrastructure such as Amazon Web Services and Google Cloud Platform.

Quality Assurance

We help our customers service to keep providing stable.


Atsushi Nagase

Software Developer

Experienced Software Engineering over 15 years. Founder of LittleApps, Inc. Designed and built web and native applications and led its development teams in start-up companies such as Modelmap, CAMPFIRE, Oneteam, Kaizen Platform, AppSocially, tattva.

Carlos Liu


Designer focus on digital products. Experienced designing User Interface and eXperience for over 10 years. Previously led product designing of Oneteam and POP(Prototyping On Paper), Co-founder at GRAPHR.

Gakuji Tanaka

General Manager/QA Engineer

QA Engineer Manager at Mercari, Inc.
Experience quality assurance engineer for over 15 years.
Built and manage the QA department at DIT and KLab Cyscorpions. Valtes and Oneteam led product development as product manager. Founder of TSUMUGU inc.

Shingo Sato

Software Developer

Software Engineer at Mercari, Inc. Experienced software engineering in web service companies such as TSUMIKI and Oneteam. Have been involved in developing various web applications.

Yuki Osawa

Infrastructure Development

Built application platform of internet based businesses such as CAMPFIRE and Oneteam since 2006. Led and involved DevOps their workflows by integrating cloud platforms.

Mio Nakano

Office manager

Worked for Japan Pension Service for 5 years, and join Oneteam as office manager. Also doing personal stylist business in private.

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2F, Onoda Bld., 3-7-7, Shimomeguro, Meguro-ku, Tokyo, JAPAN #153-0064
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instance0, inc.
Consulting, development, infrastructure, Quality Assurance
Atsushi Nagase
10 December, 2018

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