Joy Mendonca / Lead Backend EngineerPune, India · Working globally

I build commerce systems that survive the real world.

Shopify, POS, integrations and automation made reliable, understandable and considerably less dramatic.

CURRENTLY ASKING: “OKAY, BUT WHAT HAPPENS WHEN THE API TIMES OUT?”

CHOOSE YOUR OWN ADVENTURE

What brings you here?

FOR CLIENTS & TEAMS

Good. Messy is where I’m useful.

I turn ambiguous requirements, platform limits and too many APIs into a plan engineers can build and stakeholders can actually follow.

ArchitectureIntegrationsTechnical delivery
See how I work

SELECTED SYSTEMS

The proof, minus the presentation deck.

Open only what interests you. Revolutionary, I know.

01COMMERCE AT SCALE

600+ stores. One ecosystem. Zero appetite for copy-paste.

Architecture and delivery for a large Shopify POS program spanning automated store setup, cross-store data, POS extensions and the operational tooling needed to keep it all manageable.

Shopify Plus · POS · Functions · Celigo · Playwright
02COMPLEX INTEGRATIONS

Making Shopify talk to systems it has never met before.

Reliable middleware for products, orders, customers, subscriptions and fulfillment, designed around retries, idempotency and external APIs occasionally having opinions of their own.

Laravel · Node.js · GraphQL · REST · NetSuite · Recharge
03EVENT-DRIVEN DELIVERY

From checkout to last mile, without crossing any fingers.

Event-driven order and fulfillment systems using queues and serverless functions to keep commerce, delivery platforms and customer-facing status in sync.

.NET · AWS Lambda · EventBridge · SQS · DynamoDB

THE SHORT VERSION

Lead Backend Engineer by title. Solutions architect by recurring calendar invite.

I lead backend engineering at Anatta, a Shopify Platinum Partner. Most of my work happens where platform limits, business rules and operational reality collide, which is usually where I’m most useful.

The conventional version is on LinkedIn

NOTES FROM THE COMPLICATED MIDDLE

Useful ideas. Occasional API grievances.

Read
notes

STILL HERE? I LIKE YOU ALREADY.

Let’s make something complicated feel simple.