Back-End Developer

Mercadocar

Back-End Developer with .NET skills for MercadoCar's technology team. Focused on quality code, performance, and working in a fully remote environment.

Posted 5/21/2026full-timeRemote • 🇧🇷 BrazilJuniorWebsite

Tech Stack

Tools & technologies

DockerEntity Framework.NETNoSQLSQL

About the role

Key responsibilities & impact

Develop and maintain RESTful APIs in C# and .NET
Ensure quality by applying SOLID principles and Clean Code practices to all deliverables
Implement data persistence using Entity Framework Core and Dapper
Create and integrate middleware, services, and dependency injection
Work with object-oriented programming and modular architecture
Write unit tests to ensure application stability
Use Docker for containerization and running applications
Use relational databases (SQL Server, T-SQL) and NoSQL databases
Perform version control and collaborate on code using Git
Actively contribute to technical growth and the team's continuous improvement

Requirements

What you’ll need

Experience with C# / .NET (including .NET Framework 4.x)
REST APIs
SOLID and Clean Code
Entity Framework Core, Dapper, ADO.NET
Docker
Dependency injection and LINQ
SQL Server (T-SQL) and NoSQL
Git
Unit testing
Windows Forms and client–server applications
Good communication and teamwork skills
Bachelor's degree (completed)

Benefits

Comp & perks

Market-competitive salary
Contract type: PJ (Pessoa Jurídica - contractor/company contract)
100% remote

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

C#.NETREST APIsSOLID principlesClean CodeEntity Framework CoreDapperDockerSQL ServerT-SQL

Soft Skills

communicationteamwork

Certifications

Bachelor's degree