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Developed scalable backend services for an enterprise digital pricing platform used to manage products, pricing, promotions, and customer accounts.
Designed and implemented secure REST APIs using Node.js and Express.js, integrated PostgreSQL for data management, and optimized performance using Redis caching. Collaborated with cross-functional teams in an Agile environment to deliver reliable and high-performance backend solutions.
Key Contributions
Developed scalable REST APIs using Node.js and Express.js.
Designed and optimized PostgreSQL database queries.
Implemented Redis caching to improve API performance.
Built secure authentication and role-based authorization.
Tested APIs using Postman.
Technologies
Node.js • Express.js • JavaScript • PostgreSQL • Redis • REST APIs • JWT Authentication • Git • Postman
The network for creativity
Join 1.25M professional creatives like you
Connect with clients, get discovered, and run your business 100% commission-free
Creatives on Contra have earned over $150M and we are just getting started
Related posts
What’s the secret behind an app that actually feels good to use?
It’s not just the UI.
A beautiful interface can get someone to download an app.
But good engineering is what makes them stay.
When I build an application, I think beyond the screens users can see.
The real work is happening underneath:
⚡ Performance — interactions should feel fast and intentional.
🧠 State management — the app needs to keep data consistent as users move through it.
🏗️ Architecture — the codebase needs structure that can survive new features.
🛡️ Error handling — things will go wrong; the app needs to handle them gracefully.
📱 Responsive UX — the experience needs to work across different screen sizes.
🧪 Testing — don't assume it works because the happy path works.
📊 Monitoring — understand what happens when real users start using it.
That’s the part many people never see.
A user taps a button and thinks:
“That was smooth.”
Behind that single interaction could be API calls, state updates, database operations, validation, loading states, error handling and performance decisions.
That’s why I believe:
A good app isn't just designed. It's engineered.
Modern web performance guidance also emphasizes that loading, responsiveness and efficient resource handling directly affect the user experience.
My goal isn't simply to build something that looks finished.
I want to build applications that behave like real products.
Idea → Architecture → Code → Test → Deploy → Real Users.
What’s one thing that immediately makes you uninstall an app?
Stellar Dungeon — a 2D dungeon crawler built in Godot 4.4 for the Argentina Builder Challenge 2026, with on-chain progression over the Stellar network. I contributed the backend blockchain integration: a Node.js relay and a Rust smart contract (forge_ledger) that log mining, crafting and forging on-chain, with per-player custodial wallets and an offline sync queue.
Full-stack e-commerce platform built with Next.js, React, PHP & MySQL, featuring product management, shopping cart, wishlist, orders, user authentication, seller functionality and a scalable backend.
