💫 About Kawin Vir.

https://avatars.githubusercontent.com/u/1217739

Professional Experience

Veteran Backend Engineer with 10+ years of progressive experience in designing, leading, and scaling complex backend systems. Focus on Go, Kubernetes, and cloud-native architectures, specializing in distributed systems, high-availability infrastructure (Ceph/ProxmoxVE), and Linux environments. Proven ability to drive technical strategy, foster remote-first collaboration, and implement DevOps best practices, delivering significant business impact across Fintech, SaaS, and infrastructure domains. Open to remote opportunities from Khon Kaen and hybrids in Bangkok.

Personal Characteristics

  • 🌐 Remote Work Enthusiast: I thrive in remote working environments.
  • 🧑‍💻 Backend Developer and Systems Administrator: Specialized in Go/JS programming.
  • 🎮 Gaming Enthusiast: I enjoy playing video games.
  • 🏡 Anime Aficionado: I have a keen interest in watching Japanese anime.

🌐 Socials:

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💻 Tech Stack:

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LINE Pay (Thailand)

Senior Software Engineer

Jun 2025 - present

  • Responsible for building reliable, scalable systems.
  • Collaborating with cross-functional teams to deliver user-friendly tools.
  • Utilizing modern tech stacks to support growing services.

Extend IT Resource Co., Ltd.

Assistant Manager (Backend Lead)

October 2023 - May 2025

  • Led Go/JS backend teams, delivering scalable fintech microservices.
  • Architected/deployed K8s cloud infra for insurance and loan systems, improving reliability.
  • Optimized CI/CD, monitoring, and logging, and enhanced storage durability & reduced latency.

Tomato Ideas Co., Ltd.

Technical Lead

May 2023 - September 2023

  • Led Go/JS backend teams, delivering scalable fintech microservices.
  • Architected/deployed K8s cloud infra for e-commerce, improving reliability.
  • Optimized CI/CD, monitoring, and logging, and enhanced storage durability & reduced latency.

COOP NIX Co., Ltd.

Senior System Engineer

August 2020 - April 2023

  • Built Proxmox/Ceph HCI for private cloud.
  • Developed Go IaaS tools, automating VM provisioning & reducing overhead.
  • Optimized cloud for performance, security, scalability.

Canghan Coffee

Co-Founder, Coffee Roaster

November 2019 - present

  • Develop coffee and beverage recipes.
  • Roast coffee beans.

Provincial Waterworks Authority

Computer Engineer

February 2014 - July 2020

  • Managed 22-branch server/network infrastructure, ensuring high availability.
  • Led Windows to Linux migration, saving costs & boosting security.
  • Designed robust network, minimizing downtime.

Zercle Technology Co., Ltd.

Technical Co-Founder

January 2012 - January 2014

  • Led Go/JS backend development & tech vision.
  • Designed/deployed Linux/virtualization infrastructure.
  • Instituted Agile/DevOps, fostering engineering excellence and rapid iteration.