> whoami

SandhuSanthakumar

Technical Architect

14+ years building enterprise systems, cloud native architectures, and AI platforms.

Designing resilient distributed platforms, enabling cloud-native systems, and establishing engineering guardrails that help teams move faster with confidence.

Living architecture diagram of a distributed system. The complete architecture stays visible at all times; a rotating series of narratives — a synchronous request, a cache hit, asynchronous event processing, authentication, an observability trace, and a resilience fallback — periodically illuminates the relevant part of it.
Architecture
Overview
ClientGatewayIdentityServicesEventsCacheWorkersDataObservabilityssk

> git log --oneline --reverse

From teaching code to shaping systems.

A career shaped by learning, leadership, and architecture.

IMPACT

  • +Architected a high-scale Data-as-a-Service platform.
  • +Designed a distributed ecosystem of 60+ microservices.
  • +Led cloud-native modernization initiatives.

TAKEAWAY Great architecture isn't about today's requirements—it's about making tomorrow's changes feel ordinary. When a system can grow without becoming harder to understand, the architecture has done its job.

> cat architecture-principles.md

The principles behind every architectural decision.

Six principles that guide how I design systems and lead teams.

Keep decisions easy to revise.

Great architecture assumes change is inevitable. Make decisions safe to revisit instead of expensive to undo.

Great architecture makes change feel ordinary.

> ls capabilities/

Turning architecture into systems.

The technologies and platforms I use to design, build, and scale software.

README.md

## Overview

Designing cloud-native platforms that scale reliably across environments. Built around containers, automation, and managed infrastructure.

## Platforms

AWS
Azure
Google Cloud
Vercel
Cloudflare
Nginx

## Infrastructure & Automation

Docker
Kubernetes
Helm
Terraform
GitHub Actions
GitLab CI

## Observability

Datadog
Prometheus
Grafana
New Relic

> ls credentials/ --verified

Learning never stopped.

Certifications earned through real-world engineering.

Generative AI Leader

View Credential

Issuer

Google Cloud

Verification

Verified

Skills & Focus

Generative AI • LLMs • Cloud AI

01 / 09

> cat writing.md # essays & field notes

Ideas worth writing down.

Essays and technical observations from building software.

OBS-001

Most UI Validation Doesn't Need Vision

Why I switched from Playwright screenshots to agent-browser snapshots to slash LLM API costs for structural UI validation.

Aug 2026 · 4 min
Draft
OBS-002

Prompts Are Code Now

Prompts are rapidly evolving into critical production assets.

Mar 2026 · 7 min
Read
OBS-003

Slashing LLM Costs with TOON

A practical engineering approach to reducing LLM costs for large payloads.

Jan 2026 · 9 min
Read

> ping sandhusanthakumar.com

Building something that deserves thoughtful architecture?

Have a project or idea? I'd love to hear about it.

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