Back-End Developer (.Net)

Responsibilities

• Design, develop, and maintain RESTful APIs using C# and .NET 6+, ensuring performance, security, and availability;
• Actively participate in software architecture decisions, evaluating technical trade-offs and proposing scalable, sustainable solutions;
• Evolve application architecture by applying concepts such as Clean Architecture, practical Domain-Driven Design (DDD), and layered architecture, according to product context;
• Develop and optimize the persistence layer with Entity Framework Core, including data modeling, migrations, and performance tuning;
• Work with relational databases (SQL Server or equivalent), ensuring efficient queries, proper index usage, and transactional integrity;
• Implement and maintain automated tests (unit and integration) to ensure code quality and reliability;
• Contribute to defining and promoting software engineering best practices such as SOLID, Clean Code, and design patterns;
• Perform code reviews, contributing to code quality and the team's technical growth;
• Support less experienced developers by sharing knowledge and contributing to the team's technical development;
• Contribute to application observability, including logging, metrics, and production environment monitoring;
• Collaborate with product and technology teams on the continuous evolution of solutions;
• Design and implement messaging-based and asynchronous integrations (RabbitMQ or similar), contributing to decoupled, scalable architectures.

Requirements

• Strong experience with C# and .NET (preferably .NET 6 or higher);
• Experience developing REST APIs;
• Experience with Entity Framework Core and relational databases (SQL Server or equivalent);
• Experience applying software engineering best practices (SOLID, Clean Code);
• Experience with Git and collaborative versioning workflows;
• Experience with unit testing.
• Nice to have:
• Experience with Clean Architecture and DDD;
• Experience with Docker and application containerization;
• Experience with messaging and asynchronous communication (RabbitMQ or similar);
• Experience with Azure cloud services and CI/CD pipelines (Azure DevOps);
• Experience with observability, metrics, and monitoring of production applications;
• Experience with distributed systems, high-availability, or high-scale systems;
• Experience with PDF file manipulation.