Masaya Aoyama

1992-08-10 (26) ·

I am an infrastructure engineer working on both on-premise and public cloud with a focus on Kubernetes and OpenStack. Mainly, I implement platforms and design application architectures. I also frequently give technical talks at both conferences and in the community as well as at other companies by invitation.
Japanese is here.
Resume(google docs) is here.



  • CyberAgent, Inc. Ad Technology Division - Infrastructure Engineer (April 2016 - Present)
  • CREATIONLINE, Inc. - Technical Advisor (March 2019 - Present)
  • SAKURA Internet, Inc. Research Center - Visiting Researcher (April 2019 - Present)

Cloud Native Architect with Kubernetes/Docker focus


Designed several products’ architectures using Kubernetes and Docker, in particular utilizing special features of managed Kubernetes services.

Built CI/CD pipelines and other automations for high velocity development and stability.

January 2018 - Present

Kubernetes as a Service Platform Project


Implemented GKE-like Kubernetes as a Service on OpenStack without any provisioning tools.

Implemented a “type: LoadBalancer” Service as well as a GKE-like ingress controller for the private cloud, increasing compatibility between on-premise and GKE, thus creating a user-friendly environment for development.

Currently implementing a new Ingress Controller for container-native load balancing with calico and L7 software load balancer.

December 2016 - Present

Private Cloud based on OpenStack Project


Built a new private cloud platform based on Openstack Ocata, utilizing Nova (compute), Neutron (networking), Cinder (block storage), Swift (object storage), Glance (image), Heat (orchestration) and Designate (DNS) for many XaaS.

Contributed to the OpenStack community and projects.

Implemented OpenStack on Kubernetes, with OpenStack control plane is running on Kubernetes.

April 2016 - April 2017

Building and Operating Infrastructure

Various places

Building virtualization platforms, DNS, DHCP, MAIL, WEB, physical/virtual network, etc.

April 2011 - March 2016


Hosei University (the top graduate)

Bachelor of Computer Science
Faculty of Computer and Information Sciences - Department of Computer Science

GPA: 3.93

April 2011 - March 2015


I have been interested in technology since I was a child. This has influenced me to pursue a career in IT. I like building systems and platforms, and I am interested in networks and operating systems.

I enjoy researching and discussing new technologies as well as giving presentations at conferences and in the community.


  • Kubernetes / Docker and related ecosystems
  • OpenStack
  • Networking (TCP/IP, Overlay, SDN, etc)
  • Public Cloud (GCP, AWS)
  • Infrastructure as Code (Ansible, Chef, Terraform)
  • Virtualization (KVM, Xen, ESXi, Hyper-V)
  • CI/CD (GitOps, ConcourseCI, CircleCI, Spinnaker, Jenkins, etc)
  • Database/KVS (MySQL, etcd, Redis, etc)
  • Monitoring (Datadog, Zabbix, etc)
  • Programming (Ruby, Python, Go, Java, etc)
  • Spoken languages (Japanese is native, English is basic)
  • General knowledges (infrastructure, etc)

Talks & Publications

  • Book - Kubernetes Perfect Guide (September 2018)
  • Book - Docker/Kubernets for everyone (April 2019)
  • Keynote - Developers Boost 2019 (November 2019)
  • Keynote - Japan Container Days Tokyo v18.04 (April 2018)
  • Keynote - Google Cloud Kubernetes Day (March 2019)
  • Invited session - Information Processing Society of Japan, Computer System Symposium 2018 (November 2018)
  • Invited session - Developers Summit 2019 (February 2019)
  • Invited session - Developers Boost 2018 (December 2018)
  • Panel discussion - AWS Dev Day (November 2018)
  • Session - GDG DevFest Tokyo 2019 (December 2019)
  • Session - July Tech Festa 2019 (December 2019)
  • Session - Open Source Summit Japan 2019 (July 2019)
  • Session - CloudNative Days Tokyo 2019 (July 2019)
  • Session - KubeCon 2019 China (June 2019)
  • Session - Battle Conference U30 2019 (June 2019)
  • Session - Okinawa Open Days 2016 (December 2016)
  • Session - OpenStack Days Tokyo 2017 (August 2017)
  • Session - OpenStack Days Tokyo 2018 (August 2018)
  • Sessions - Many technology community, meetups and conference


  • Certified Kubernetes Application Developer #2 by CNCF (April 2018)
  • Certified Kubernetes Administrator #138 by CNCF (October 2017)
  • Database Specialist by IPA (April 2014)
  • Network Specialist by IPA (October 2013)
  • Cisco Certified Entry Networking Technician (August 2012)


  • Co-chair of Conference - Cloud Native Days Tokyo (January 2019 - Present)
  • Steering Committee of Conference - Japan Container Days (December 2017 - December 2018)
  • Organizer - Cloud Native Meetup Tokyo (May 2018 - Present)
  • Organizer - Kubernetes Meetup Tokyo (February 2019 - Present)
  • Organizer - KubeCon Japanese Meetup at the venue (December 2017 - Present)