Selected systems

Projects

Personal systems and technical case studies, presented through constraints, decisions and trade-offs.

Hybrid platform mapProvisioned foundation, explicit data layers

Terraformprovisions infrastructure

OCI runtimeAirflow · PostgreSQL
Private edgeCloudflare Tunnel · Tailscale
AWS resourcesIAM · Network · S3 · EMR

Airflow orchestrationsubmit · observe · retry

SourcesBatch inputsGitHub · arXiv

ComputeSpark ingestEMR Serverless

01 · S3 / IcebergLandingReplayable windows

02 · S3 / IcebergCuratedCanonical entities

03 · S3 / IcebergAnalyticsdbt-owned marts

Independent servingoutside the data-layer sequence

Document workloadRemote OCR serviceprovider-neutral · resumable

Read-only accessAthena + Inspectoranalytics · document review

01 · Sole designer and engineer · Deployed & maintained

Mini Lakehouse

One operator can deploy, replay and recover each workload without turning the platform into one tightly coupled release.

Apache Iceberg
AWS
Airflow
dbt
Terraform

02 · Sole designer and engineer · Completed

VN Market Pulse

Semantic work stays with the model; code keeps the run finite, traceable and unable to publish unknown references.

Python
PydanticAI
Streamlit