Rafael Nunes— Software development
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Projects

Real systems, in production, used every day

Problem, solution and result of each project — with a clear statement of my role in each one.

Chrome extension

ClipNest Video Download: An extension that finds videos on the page and downloads them in one click

Problem
Downloading videos from web pages, especially HLS streams split into chunks, requires technical tools and many steps.
Solution
Chrome extension that detects page media, joins HLS segments and delivers a ready MP4.
Result
Own product published on the Chrome Web Store and available to any Chrome user.
  • JavaScript
  • Chrome Extension
  • HLS
Read the full case See it live
Dental ERP (SaaS)

ControleODONTO: Evolving one of the largest dental practice management platforms in Latin America

Problem
A large system already used by thousands of clinics needs new features without breaking what dentists rely on every day.
Solution
Building new features and fixing bugs with .NET and Razor, on both back end and front end, in a team with an AI First culture.
Result
Continuous delivery on a live product, focused on stability and quality for the clinics that use it.
  • .NET
  • C#
  • Razor
  • SQL Server
Read the full case See it live
EDI platform

EDI UPS: Electronic data interchange for UPS logistics operations

Problem
Logistics customers and suppliers exchanged information in different formats, requiring manual reconciliation.
Solution
.NET Framework platform with SQL Server that receives, validates, converts and integrates EDI files automatically.
Result
Standardized data exchange and reconciliation of daily logistics operations with less manual work.
  • .NET Framework
  • C#
  • HTML
  • CSS
  • JavaScript
  • SQL Server
Read the full case
Management web app

Chef Manager: Restaurant management with orders, inventory and finances in real time

Problem
Restaurants lose orders and inventory control when dining room, kitchen and delivery use separate channels.
Solution
Angular application with a .NET Core back end and SQL Server, with real-time screens for kitchen and management.
Result
Orders, inventory and finances in one system, with the kitchen seeing each order as soon as it is placed.
  • Angular
  • TypeScript
  • .NET Core
  • SQL Server
Read the full case
Next projects

The next case study could be yours

These spots are reserved for upcoming projects. Tell me what you need and I will reply with a clear path.

Available

Your mobile app

A Flutter or React Native app for your customers or field team.

Tell me your project Available

Your SaaS

From idea to a live MVP, with plans, billing and multi-tenancy.

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Your integration

Systems, partners and suppliers exchanging data with no manual typing.

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Your website

A fast landing page or website built to generate leads.

Tell me your project

EXPERIENCE

Mid-Level Software Developer

Aplicativo.NET

Jul, 2026 - Present

Development of an ERP platform for medical and dental clinics using .NET and Razor, acting on both the back-end and the front-end of the application. Responsibilities include building business rules, implementing features across layers, and maintaining the full solution cycle — from database modeling to UI rendering. The company operates with an AI First culture, leveraging artificial intelligence to accelerate deliveries, improve code quality and enhance decision-making throughout the development process.

.NET Developer

Smart Online

Oct, 2025 - Jan, 2026

Worked on the development and maintenance of applications using .NET 8 and SQL Server, focused on building APIs, improving performance and applying best practices such as SOLID and layered architecture.

Junior .NET Developer

Smart Online

Dec, 2022 - Oct, 2025

Development and maintenance of systems using C#, .NET Framework and .NET (including .NET 8), working on the back-end and front-end of MVC applications. REST API creation, SQL Server integration and participation in feature evolution with a focus on quality, performance and best practices.

.NET Developer Trainee

Online Applications

Nov, 2020 - Dec, 2022

Worked on developing applications with .NET Framework, working on the back-end and front-end of MVC systems. Bug fixing support, feature improvements and development, plus practical learning in OOP, APIs and database integration.

IT Support

Online Applications

Jun, 2020 - Nov, 2020

Development support, analyzing tickets via Help Desk and identifying errors reported by clients. Responsible for reproducing bugs, logging them for the development team, assisting in fix validation and performing SQL Server queries, updates and deletes for data analysis.

IT Intern

Online Applications

Aug, 2019 - Mar, 2020

Support for development activities, assisting in identifying system failures, bug reporting and technical team support. Work with SQL Server database queries for data analysis and understanding business rules.

Let’s talk

Shall we get your project off the ground?

Tell me what you need. If custom software is not the best path, I will say so — and point you to what makes sense.

  1. 1You describe the project in 2 minutes.
  2. 2I reply within a few hours and we schedule a call.
  3. 3You get an honest assessment and, if it makes sense, a proposal with scope, timeline and price.

Prefer another channel?

Chat on WhatsAppFastest replyEmaildevrafaelnunes@gmail.com
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What do you need?

In your own words: what happens today, what goes wrong and what the ideal would be.

Reply within a few hours. No spam, no commitment.