.NET Developer (SQL-Backed Application)

Job Description

We are seeking an experienced .NET Developer to take ownership of our application, a .NET system built on a SQL Server database.

This role focuses on refactoring, modernizing, and restructuring an existing application to improve maintainability, scalability, and long-term sustainability.

Key Responsibilities

Analyze, refactor, and modernize an existing .NET + SQL Server codebase

Improve overall architecture, structure, and best-practice coding standards

Enhance code readability, modularity, stability, and documentation

Collaborate with US-based developers and support teams to ensure smooth knowledge transfer

Identify and troubleshoot defects, performance issues, and technical debt

Ensure application stability and long-term scalability

Requirements

Strong experience in C# / .NET application development

Solid knowledge of SQL Server and relational database concepts

Proven experience refactoring and maintaining legacy .NET applications

Strong understanding of software architecture, design patterns, and clean code principles

Ability to work independently with high attention to detail and code quality

Strong English communication skills (Spanish is a plus but not required)

Preferred Qualifications

Experience working with production-level, business-critical systems

Familiarity with performance optimization and database tuning

Experience collaborating with distributed or US-based teams