Building at the intersection of scale and trust

Engineering systems
people can trust.

I’m Ananthaprakash Nithiyanantham, a Bay Area engineering leader with 17+ years across full-stack platforms, payments, reliability, and security. I turn complex problems into resilient, useful products.

  • 17+Years building
  • 6Flagship builds
  • ∞Curiosity
Based in San Ramon, CA Open to ideas
Ananthaprakash Nithiyanantham

Currently

Engineering at TikTok USDS

Platforms · Reliability · Payments
Full-stackSREPaymentsAgentic AI
Full-stack engineering✦Payment platforms✦ Site reliability✦Security automation✦ Agentic systems✦Open research✦

01 · About

I care about the gap between “it works” and “it earns trust.”

My work spans the browser, backend, production operations, and the controls that keep digital experiences safe. That range helps me see a system as users experience it—not as isolated services.

I enjoy shaping architecture, simplifying delivery, mentoring engineers, and turning repeated operational pain into automation. Outside the engineering lane, I research practical AI and security, write in Tamil, and build tools that make everyday tasks easier.

View my LinkedIn profile ↗
01

Reliable by design

Make failure modes visible, recovery intentional, and operational health part of the architecture.

02

Secure by default

Move guardrails closer to the code so safe choices become the easiest choices for teams.

03

Useful to people

Measure technology by the friction it removes and the confidence it creates for real users.

02 · Journey

Depth across the whole system.

From interface engineering to production reliability and payment security, every chapter adds another lens.

Now

TikTok USDS · Bay Area

Engineering at global scale

Working where product velocity, platform resilience, and high-quality user experiences must coexist.

ScaleReliabilityLeadership
17+ yrs

Software engineering · Payments · SRE

Full-stack builder and reliability leader

Hands-on experience across JavaScript, Node.js, React, Python, Java, platform operations, observability, and secure payment flows.

FrontendBackendOperations
Foundation

Madurai Kamaraj University

Technology grounded in business

A Master of Computer Applications and Master of Commerce shaped both the engineering and business sides of my thinking.

MCAM.Com

03 · Selected work

Ideas turned into open, useful systems.

03
Engineering StepstonePublic utility

DrawDiagrams

A free, browser-first Mermaid and infographic studio with accessible templates, local editing, shareable links, and open SVG, PNG, and PDF output.

04
AI for social goodVerified journeys

Cristóvão

An immigration journey digital twin that keeps consequential claims tied to authoritative evidence, propagates change through a dependency graph, and preserves uncertainty.

05
GoCapability security

mcp-gate

An ephemeral capability-token proxy that lets an agent perform one narrowly defined tool action once, without exposing the real upstream credential.

06
Open knowledgePayment security

Safe Payments Framework

A vendor-neutral, agent-readable knowledge graph for payment standards, threat incidents, and operational runbooks, with automated schema and PCI guardrail validation.

More experiments, tools, and work in progressView all GitHub projects ↗

04 · Engineering Stepstone

Build the system. Then explain what it teaches.

ENGINEERING STEPSTONE

Live blog

Latest article

Cross-border payments

Cross-border payments are not slow because faster rails are missing. The deeper friction lives in interoperability, regulatory fragmentation, compliance duplication, liquidity, and shared governance.

From the notebook

Recent writing

View all ↗

Learn to Think in Diagrams with DrawDiagrams

Why mapping a system exposes ownership, state, and failure paths.

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Are you looking for research opportunity?

An invitation for engineering students to gain real-world research experience.

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Production ready

The purpose, boundaries, and evidence that separate a prototype from a dependable system.

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The Most Dangerous Word in Agentic AI Is “Timeout”

Transaction boundaries, unknown outcomes, durable receipts, and safe recovery for agent actions.

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Tamil writing

Ananth Kavithaigal

Poetry and lyrics shaped by language, music, and everyday feeling.

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Short reflections

Think Five Minutes

Small prompts for pausing, questioning, and looking again.

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05 · Let’s connect

Good systems begin with
a good conversation.

I’d love to exchange ideas about reliable platforms, secure payments, practical AI, open knowledge, or products that simplify daily life.

Send me a note ↗