Basic Information

Name and Date of Birth

ItemContent
NameTaisuke Okamoto
Date of Birth1996/12/02

Education and Work History

YearMonthEducation and Work History
20124Entered Hyogo Prefectural Itami High School, General Course
20153Graduated from Hyogo Prefectural Itami High School, General Course
20154Entered Osaka Institute of Technology, Faculty of Information Science and Technology, Department of Information Network
20193Graduated from Osaka Institute of Technology, Faculty of Information Science and Technology, Department of Information Network
20194Joined Video Market Co., Ltd.
20211Left Video Market Co., Ltd.
20211Joined Monok Co., Ltd.
20218Left Monok Co., Ltd.
20219Joined IDC Frontier Co., Ltd.

Technical Stack

CategoryTechnical Stack
Programming / Library etc.Go / Python / Java / PHP / C / etc
Code ManagementGitHub / GitLab / Bitbucket
InfrastructureGoogle Cloud / AWS / IDCF Cloud
IaaSCloudStack / vSphere
Database/KVSMySQL / Redis / PostgreSQL / BigQuery / etc
Infrastructure as CodeAnsible / Terraform / etc
Orchestration & ManagementKubernetes / Docker
CI/CDCircleCI / Cloud Build / GitHub Actions / ArgoCD / Fleet
Container RegistryHarbor
ObservabilitySplunk / Grafana / Prometheus / OpenTelemetry / NeuVector
Service MeshIstio / Linkerd

Job Responsibilities

IDC Frontier Co., Ltd

① Container and Kubernetes Technology Evangelist / In-house Education Leader

January 2023 - Present

  • Planning and implementing in-house education programs

    • Designed and conducted a 3-month container and Kubernetes learning program
    • Maintained over 90% satisfaction rate, contributing to the improvement of engineers’ technical skills
  • Technical migration support for in-house systems

    • Led containerization and migration to Kubernetes environments
    • Responsible for solving technical issues and optimizing during migration
  • Providing technical support internally and externally

    • Technical support for SE and sales teams
    • Provided support and technical assistance for clients implementing containers and Kubernetes

② Kubernetes as a Service (KaaS) Development

September 2022 - Present

  • Kubernetes integration development with CloudStack

    • Research and investigation of CSI Driver, Cloud Controller Manager, and Ingress Controller
    • Custom Kubernetes implementation to meet company security requirements
    • Continuous improvement of internal components with Kubernetes version upgrades
  • Development of custom Kubernetes components

    • Provided automatic update functionality through in-house addon-manager
    • Custom implementation of Migration feature and Cluster Autoscaler
    • Service development aligned with Rancher-based GUI provision
  • Multi-platform support and CI/CD setup

    • Kubernetes setup on private cloud (vSphere)
    • CI/CD environment setup for managing multiple Kubernetes versions
    • Implementation of change detection scripts for efficient manifest management

Monok Co., Ltd

① Development and Operation of Product Order Management System

February 2021 - August 2021

  • Development of in-house product order management system

    • Significant improvement in operational efficiency through automation of manual processes
    • API development using Go (using standard packages only)
    • Implementation of integration with EC platform (Shopify)
  • Building a cloud-native operational environment

    • Design of a self-contained service architecture on Google Cloud
    • CI/CD environment setup using CloudBuild + CloudRun
  • Optimization of development process and achievements

    • Rapid system delivery as a solo developer
    • Achieved significant improvement in operational efficiency and reduction of human errors
    • Realized continuous improvement through accelerated development cycles

② Development and Operation of International EC Integration System

February 2021 - August 2021

  • Development of integration system with Chinese and Korean EC sites

    • Implementation of API, batch processing, and Webhooks using Go
    • Achieved high-speed product registration and update processing of 20,000-30,000 items per day using Goroutines
    • Built an error detection system through Slack Webhook integration
  • Large-scale data processing and visualization

    • Optimized response formatting and data registration to BigQuery within Goroutines
    • Implemented GUI-based product information visualization accessible to non-engineers
  • Acquisition of efficient system development and operation skills

    • Gained practical experience in international EC platform integration
    • Enhanced flexible thinking and problem-solving abilities
    • Strengthened goal achievement capabilities through team collaboration

Video Market Co., Ltd

① Renewal of Streaming Service Playback Infrastructure

October 2019 - January 2021

  • Renewal of streaming service playback infrastructure

    • Implemented rewrite from PHP to Go
    • Realized microservices architecture using Kubernetes, transitioning from monolithic structure
    • Led overall development as a key project member
  • Kubernetes environment setup and optimization

    • Reduced manifest management costs using Kustomize
    • Implemented secure communication using service mesh (Istio)
    • Introduced monitoring with Grafana and Prometheus, and load testing with Locust
  • Technical challenges and growth

    • Achieved practical application of Go and Kubernetes in a short period, from learning to implementation
    • Gained experience in introducing and operating various cloud-native tools
    • Balanced solving existing system issues with introducing new technologies

② DRM Implementation Engineer for Video Streaming

July 2020 - October 2020

  • Design and implementation of multi-DRM solutions

    • Built DRM systems supporting Widevine, PlayReady, and FairPlay
    • Development and operation of cloud-based DRM license servers
    • Improved processing efficiency by optimizing content encryption workflows
  • Establishment of secure viewing environments

    • DRM implementation on client-side (Web, iOS, Android)
    • Enhanced access control through integration with token-based authentication systems
    • Integration of streaming protocols (HLS, DASH) with DRM
  • Optimization of performance and user experience

    • Optimized global distribution through CDN and DRM integration
    • Improved mobile user experience by implementing offline playback functionality
    • Rapid identification and resolution of DRM-related issues through the introduction of analytics tools

Side Jobs

① Technical Coach and Advisor for Technology Support

September 2021 - Present

  • Supported backend and overall infrastructure for service development of a friend’s startup
  • Currently providing technical coaching, fostering and educating in-house engineers
  • Planning, creating, and providing learning content for non-engineers, covering basic knowledge to information literacy
  • Providing technical support such as infrastructure design and operational advice to FinTech companies implementing containers and Kubernetes

② Design and Implementation of Custom Media Player

August 2019 - September 2019

  • Developed and supported part of the service development for a friend’s startup
  • Responsible for designing, implementing, and testing a custom web playback player for media playback on an audio platform

③ Creation of Landing Page Website

July 2017 - October 2017

  • Handled all aspects of creating, publishing, and operating a landing page for a startup introduced by a friend
  • Main tasks included:
    • DNS, firewall, and SSL configuration
    • WordPress installation
    • Site design planning and implementation

Other Activities

Tech Conference Management

  • Joined as a committee member for CloudNative Days, Japan’s largest cloud-native tech conference, from 2022
  • Served as the Observability team leader, working on visualizing conference metrics
  • From 2024, leading the overall conference management as Co-chair
  • Also appointed as Co-Organizer of Grafana Meetup Japan in the same year, promoting Grafana

Activities as DJ and VJ

  • Started DJ activities in Kansai in 2019, and have been active as ‘BigBaby’ mainly in Tokyo nightclubs since 2021
  • Utilizing extensive music knowledge and skills cultivated as a DJ to create a “five-senses stimulating” space with a genre-transcending VJ style, captivating audiences
  • Currently expanding activities in Tokyo clubs
  • Responsible for VJ performances for international artists at various venues, recognized as an up-and-coming VJ

Performance Experience