Jean Carlo de Oliveira
Mid-level Software Engineer
I'm a Mid-level Software Engineer with over 2 years of experience in full-stack development, DevOps, and scalable architecture. Specialized in C# .NET 8, React.js, React Native, and Node.js, with expertise in CRM integrations, payment systems, and authentication (Clerk). I have strong experience in PostgreSQL, CI/CD with Docker, AWS, and Linux. I published mobile apps on the App Store and Google Play and developed HUB EXPRESSO for Valorant, a scalable platform focused on performance and security.
Languages: Portuguese (Native), English (Advanced)
Professional Experience
Inovacomm
Mid-level Software Engineer
March 2023 - Present
- Developed RESTful APIs in C# .NET 8 for CRM integrations (Movidesk, RDStation, Stel Order), optimizing workflows and reducing latency by 30%.
- Architected scalable web applications with React.js, Next.js, and .NET Core to handle high traffic.
- Modeled PostgreSQL and MySQL databases for thousands of daily transactions, ensuring performance and integrity.
- Integrated VoIP (3CX, WebRTC, SIP) with Microsoft Teams for real-time communications.
- Implemented CI/CD with Docker, reducing deployment time from days to hours, and managed AWS/Linux servers.
- Developed messaging systems with Node.js, WebSockets, and Baileys for WhatsApp automation.
- Created dashboards in Grafana and Power BI for data analysis and system monitoring.
- Led the development of HUB EXPRESSO for Valorant, a scalable platform with match scoring and payment integrations.
- Developed the OpenBox Light mobile app in React Native with Expo, published on the App Store and Google Play.
Featured Projects
Filter by Technology
An automated assistant that helps developers find job opportunities. Features email notifications, location filtering, and advanced search capabilities with a premium subscription option.
Currency Converter
View Live DemoA real-time currency converter built with Next.js and React, featuring multiple currencies, dark mode, and multi-language support. Uses Currency Freaks API for live exchange rates.
UniConnect
View Live DemoA university-focused social network enabling students to connect, exchange messages, and create course communities. Built with React.js, Node.js, and Supabase.
Elephantgun
View Live DemoAn eco-conscious brand's e-commerce platform selling unique, hand-painted ECObags. Features product showcases and an environmental impact message.
A comprehensive WhatsApp message management platform developed with Node.js, Express, React, and Baileys. Features advanced automation capabilities and an interactive frontend.
Hotel Management System
View Live DemoEnd-to-end solution architected and developed using Node.js, Express, Next.js, and TypeScript. Includes comprehensive testing with over 90% coverage.
HUB EXPRESSO
View Live DemoPlatform for Valorant with match scoring, lobbies, and rank-based queues, including payment integrations. Backend with Fastify/Node.js, TypeScript, Jest, and Prisma; frontend with React.js and Clerk.
Technical Skills
Languages
C#, JavaScript, TypeScript, Python, SQL, PHP
Frontend/Mobile
React.js, Next.js, React Native, Expo, HTML5, CSS3
Backend
.NET Core/8, Node.js, Express, Fastify, Laravel, Prisma
Databases
PostgreSQL, MySQL, SQL Server
DevOps/Cloud
AWS, Docker, Linux, Git, CI/CD
Other
VoIP (3CX, WebRTC, SIP), Baileys, Clerk, WebSockets, Grafana, Power BI, Jest, PHPUnit
Education
Bacharelado em Ciência da Computação
Faculdade Anhanguera
2022 - 2026
Contact
Feel free to reach out through any of the following channels: