Karn Wong
Independent Consultant | HashiCorp Ambassador | AWS Community Builder
| GitHub: https://github.com/kahnwong | Blog: https://karnwong.me
EXPERIENCE
Independent Consultant - Freelance 2025-06-19 - Present
  • Infra / DevOps / Data Engineering / MLOps / Architecture consulting & training
Cloud Automation and Optimization Consultant - MFEC 2025-03-03 - 2025-06-18
  • Reduce manual & routine workloads via automation
Platform Team Lead - Data Cafe Company Limited 2024-01-03 - 2024-11-30
  • Upskill data science team to adopt software engineering practices
Head of Platform Engineering - Baania 2018-04-01 - 2023-12-28
  • Design, write and optimize most of the infrastructure, platform, pipelines (ci/cd + data / ML) and app workloads for 5 products
PROJECTS
  • Alternative / self-hosted version for popular subscription services: Netflix, Spotify, LastPass, Trello, Dropbox, NordVPN, etc
  • Workloads are managed via Docker Compose and Helm
  • Terraform for managing Cloudflare and Kubernetes
  • Caddy for reverse-proxy
  • SSO via Authentik
  • Personal documentation website on various topics
nix
  • A cross-platform setup script that works with both Linux and Mac
  • pgcli wrapper to connect to PostgreSQL database specified in db.yaml. Proxy/tunnel connection is automatically created and killed when pgcli is exited
  • Benchmark performance between duckdb, polars and spark. In addition to runtime, RAM usage is also provided
  • Measure latency, RPS and CPU & memory utilization for a hello world api in various languages
  • Measure overheads incurred from using C FFI in various languages
  • Various calculators, mostly for FinOps
  • Various system utilities, suitable for system administrator and devops professionals.
PUBLICATIONS
Using Classification Technique for Customer Relationship Management based on Thai Social Media Data, ICCAE 2019-02-01
VOLUNTEERING
DevOps, SRE & Infrastructure Discord - Frequent Contributor 2021 - Present
Data Engineer Thailand - Frequent Contributor 2024 - Present
Data Engineer Cafe - Frequent Contributor 2022 - Present
Data Engineering Discord - Moderator & Frequent Contributor 2020 - Present
Data Science Discord - Frequent Contributor 2021 - Present
CERTIFICATES
HashiCorp Ambassador 2025
HashiCorp
AWS Community Builder 2025
AWS
AWS Certified Solutions Architect Associate
AWS
Google Cloud Professional Cloud Architect
Google Cloud Platform
Google Cloud Professional Data Engineer
Google Cloud Platform
EDUCATION
Rangsit University 2015 - 2018
Bachelor - Information and Communication Technology
SKILLS
Languages: Bash, Go, HCL, Python, Rust
Cloud Native: Docker, Kubernetes, Helm, K3S, Harbor, Grafana, Prometheus, Minio, MLflow
Databases: Postgres, MongoDB, BigQuery, DuckDB
DevOps: Caddy, Terraform, GitHub Actions, Proxmox, Authentik, Infracost, New Relic
Cloud: AWS, GCP, Digital Ocean, Cloudflare, Vercel
Data / ML: Apache Parquet, Apache Spark, Polars, Apache Iceberg, Dagster, Ray, Scikit-learn, DVC
GIS: Apache Sedona, PostGIS, H3, QGIS, Folium, Leaflet
Domain: Real Estate, Geospatial, NLP
INTERESTS
Humanities [ Anthropology , Linguistics , Psychology , Sociology ] , Music [ Symphonic Heavy Metal , Power Metal , Folk Metal , Classical Crossover , Operatic Pop ] , Technology [ Platform Engineering , DevX , Kubernetes , DevOps / DataOps / MLOps , Scaling & Optimization ]