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A backend REST API for a service booking platform, built with Node.js, Express.js, and MongoDB. The API provides complete CRUD operations for managing services, along with JWT-based authentication and role-based authorization for service providers.
Key features include service creation, retrieval, updating, and deletion, protected API routes, provider ownership checks, and secure user authentication and authorization.
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
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I use Lovable every. Single. Day. Weekends included. 😂
So when my favorite AI builder teams up with Contra for a competition, there’s no “should I enter?” Of course I’m in.
The challenge: take a small business from “can I book?” to “you’re confirmed” without the owner spending half their day chasing messages.
This one hits close to home. I’ve already built a booking flow for my own brand, pmcosta.dev, and reused it across multiple side projects. Because booking an appointment shouldn’t require twelve messages and a calendar negotiation.
Now I get to take that experience and push it further. Not just a nice-looking widget, but something that actually takes work off a business owner’s plate.
Daily habit meets competition. Let’s build. 🔥
@Lovable @Contra HQ #lovablechallenge
pmcosta.dev
Web Developer & GTM Consultant in Portugal — Pedro Costa
Freelance web developer and GTM consultant building websites, web apps, and automated lead systems for founders, local businesses, and e-commerce brands.
AI-powered financial analytics platform built with FastAPI, Pandas, DuckDB, and Gemini API for data analysis, REST APIs, natural-language-to-SQL queries, and automated business insights.
An experimental AI-agent application for researching business opportunities using web search, webpage extraction, evidence collection and structured analysis.
The evidence collection step is where I would look first. When two pages disagree, do you keep both source links so someone can see why the analysis chose one?