Senior Full Stack Developer (.NET + React)

We are looking for a Senior Full Stack Developer to work on developing solutions that combine software, cloud, and hardware integration, contributing to innovative products focused on occupational engineering.

You will be part of a team responsible for evolving modern applications using .NET 8 and React, participating from architecture definition to the implementation of new features, ensuring technical quality, scalability, and development best practices.

Responsibilities

• Develop and maintain frontend applications using React, TypeScript, and Vite.
• Develop APIs and services in C#/.NET 8 (ASP.NET Core).
• Design and evolve solutions following Clean Architecture principles.
• Implement integrations between software and devices via Web Serial API and serial protocols.
• Model and optimize MySQL databases using Entity Framework Core.
• Develop automated tests for frontend and backend.
• Participate in code reviews, architecture definition, and technical decisions.
• Configure and maintain resources in Azure, ensuring availability, security, and observability.
• Implement best practices for security, authentication, LGPD (Brazilian General Data Protection Law), and data protection.
• Produce technical documentation and collaborate on the continuous evolution of products.

Requirements

• Solid experience (7+ years) in Full Stack development.
• Mastery of C#, .NET 8, and ASP.NET Core.
• Experience with React, TypeScript, and Vite.
• Knowledge of Entity Framework Core and MySQL.
• Experience with REST APIs and JWT authentication.
• Experience with Clean Architecture and development best practices.
• Experience with automated testing.
• Knowledge of Git and Pull Request workflows.
• Experience with Docker.
• Experience in Microsoft Azure environments.

Differentials

• Experience with Azure App Service, Azure Key Vault, and Application Insights.
• Knowledge of OpenTelemetry, Serilog, and Azure Monitor.
• Experience with Web Serial API, serial communication, ESP32, or Arduino.
• Knowledge of programmatic generation of PDFs and spreadsheets (QuestPDF, ClosedXML).
• Experience with SonarQube.
• Knowledge of Recharts.
• Experience with PWA applications and offline functionality.
• Knowledge of LGPD and data encryption.
• Experience in industrial systems, IoT, engineering, or occupational health.

Tech Stack

Backend

• C#
• .NET 8
• ASP.NET Core
• Entity Framework Core
• JWT
• Clean Architecture

Frontend

• React 18
• TypeScript
• Vite
• Tailwind CSS
• shadcn/ui
• Vitest
• React Router

Database

• MySQL 8

Cloud & DevOps

• Microsoft Azure
• Azure App Service
• Azure Database for MySQL
• Azure Key Vault
• Application Insights
• Docker

Observability

• OpenTelemetry
• Serilog
• Azure Monitor

Desired Profile

• Hands-on profile with a passion for building end-to-end solutions.
• Analytical thinking and focus on code quality.
• Proactivity in solving technical problems.
• Willingness to share knowledge and contribute to architectural decisions.
• Value development best practices, documentation, and testing.