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Vignesh Athiappan

Driven by purpose, bridging vision and execution. Empowering teams to deliver impact with speed and stability. On a path to lead with influence—or build from the ground up to create something lasting

Location Salem , India Joined Joined on  github website

Work

Engineering Lead at Orion Innovation

The Moving Bike on Your Food App: How Live Order Tracking Actually Works (in Azure)

The Moving Bike on Your Food App: How Live Order Tracking Actually Works (in Azure)

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4 min read

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System Design Foundations, Explained with Swiggy

System Design Foundations, Explained with Swiggy

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4 min read
Chain of Responsibility: The Support Escalation Pattern

Chain of Responsibility: The Support Escalation Pattern

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3 min read
Template Method: The Recipe-With-Blanks Pattern

Template Method: The Recipe-With-Blanks Pattern

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3 min read
State: The Traffic Light Pattern

State: The Traffic Light Pattern

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3 min read
Iterator: The "Next" Button Pattern

Iterator: The "Next" Button Pattern

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3 min read
Command: The TV Remote Pattern

Command: The TV Remote Pattern

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3 min read
Strategy: The Google Maps Travel-Mode Pattern

Strategy: The Google Maps Travel-Mode Pattern

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3 min read
Observer: The YouTube Subscribe Pattern

Observer: The YouTube Subscribe Pattern

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3 min read
Composite: The Folders-and-Files Pattern

Composite: The Folders-and-Files Pattern

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3 min read
I Built a Knowledge Graph for a Warehouse With No Foreign Keys

I Built a Knowledge Graph for a Warehouse With No Foreign Keys

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9 min read
Proxy: The Celebrity Manager Pattern

Proxy: The Celebrity Manager Pattern

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3 min read
Microsoft Cloud and AI Innovation Day, Bengaluru — What I Saw, What I Learned, and What I’m Taking Back

Microsoft Cloud and AI Innovation Day, Bengaluru — What I Saw, What I Learned, and What I’m Taking Back

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10 min read
App Insights by Example — a paste-and-run playbook for your stack

App Insights by Example — a paste-and-run playbook for your stack

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7 min read
Facade: The Hotel Reception Pattern

Facade: The Hotel Reception Pattern

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2 min read
Security Isn't a Checklist — It's a Quarterly Habit: How We Protect Our Enterprise Applications

Security Isn't a Checklist — It's a Quarterly Habit: How We Protect Our Enterprise Applications

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6 min read
How I Decided to Move 140+ Consumption Logic Apps to a Dedicated Hosting Plan

How I Decided to Move 140+ Consumption Logic Apps to a Dedicated Hosting Plan

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6 min read
I Built My Own AI Workspace for Outlook and Teams — One HTML File, Zero Servers

I Built My Own AI Workspace for Outlook and Teams — One HTML File, Zero Servers

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5 min read
Decorator: The Coffee Add-Ons Pattern

Decorator: The Coffee Add-Ons Pattern

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3 min read
A Secure Framework for Exposing SaaS Data to Your Data Lake

A Secure Framework for Exposing SaaS Data to Your Data Lake

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6 min read
Azure SQL Managed Instance vs Azure SQL Database: How I Actually Made the Call

Azure SQL Managed Instance vs Azure SQL Database: How I Actually Made the Call

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10 min read
Gatekeeper: Building an AI-Powered Pull Request Review Desk for Azure DevOps

Gatekeeper: Building an AI-Powered Pull Request Review Desk for Azure DevOps

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6 min read
Adapter: The Travel Plug Pattern

Adapter: The Travel Plug Pattern

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2 min read
Load-testing a production app on Azure: how I ran it, measured it, and what it taught me

Load-testing a production app on Azure: how I ran it, measured it, and what it taught me

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6 min read
Building and Deploying a Microsoft Teams Bot on Azure — End to End

Building and Deploying a Microsoft Teams Bot on Azure — End to End

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13 min read
Builder: The Subway Sandwich Pattern

Builder: The Subway Sandwich Pattern

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3 min read
We Built Our Own AI PR Reviewer for Azure DevOps — Then Benchmarked It Against CodeRabbit and Friends

We Built Our Own AI PR Reviewer for Azure DevOps — Then Benchmarked It Against CodeRabbit and Friends

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5 min read
Factory Method: The Restaurant Kitchen Pattern

Factory Method: The Restaurant Kitchen Pattern

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3 min read
Singleton in C#: Stop Writing It Like It's 2005

Singleton in C#: Stop Writing It Like It's 2005

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2 min read
One Pipeline, Sixteen Databases: Parameterised SQL Deployments in Azure DevOps

One Pipeline, Sixteen Databases: Parameterised SQL Deployments in Azure DevOps

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5 min read
The Zero-Backend AI Triage Dashboard: One HTML File, Azure DevOps, and an LLM

The Zero-Backend AI Triage Dashboard: One HTML File, Azure DevOps, and an LLM

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7 min read
Turning a System of Record into an AI Agent: Building MCP Tools on Azure

Turning a System of Record into an AI Agent: Building MCP Tools on Azure

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7 min read
From a 15-Second Chatbot to a Real Agentic Assistant

From a 15-Second Chatbot to a Real Agentic Assistant

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9 min read
One pane over 258 resources — and every one of them talking back.

One pane over 258 resources — and every one of them talking back.

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7 min read
From 15+ Manual Deployments to 2 YAML Templates: Scaling Azure DevOps Pipelines for IIS-Hosted Apps

From 15+ Manual Deployments to 2 YAML Templates: Scaling Azure DevOps Pipelines for IIS-Hosted Apps

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8 min read
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