Senior Software Engineer (.NET/C#)

Senior Software Engineer (.NET/C#) | On-Site | Argentina

Are you passionate about building high-quality software, solving complex technical challenges, and leveraging AI-powered development tools to deliver exceptional products?

At Solvo Global, we are looking for a Senior Software Engineer (.NET/C#) to join an international engineering team responsible for developing and maintaining mission-critical software solutions used by organizations worldwide.

This is a hands-on senior-level role where you'll own features from design through production, contribute to architectural decisions, solve production challenges, and mentor fellow engineers.

What You'll Do

• Design, develop, and maintain backend applications using .NET / C#
• Build and optimize database structures and queries in PostgreSQL
• Develop and maintain APIs and core business services
• Create and maintain automated tests to ensure software quality
• Investigate, troubleshoot, and resolve production issues
• Participate in architecture discussions, code reviews, and technical decision-making
• Utilize AI development tools such as GitHub Copilot, ChatGPT, Cursor, or similar to improve productivity while maintaining high engineering standards
• Mentor junior engineers and promote engineering best practices
• Take ownership of features from concept to deployment

What We’re Looking For

• 5+ years of professional software development experience with .NET/C#
• Strong hands-on experience with PostgreSQL, including schema design and query optimization
• Experience building and maintaining REST APIs
• Strong background in Automated Testing
• Experience troubleshooting and supporting production systems
• Familiarity with AI-assisted development tools in daily workflows
• Strong communication and collaboration skills
• Professional English proficiency

Work Modality

On-Site

Available for candidates located in:

Córdoba Mendoza Buenos Aires

Schedule: Monday to Friday | 8:00 AM to 5:00 PM EST

Contract Type: Independent Contractor

International Team Environment

Senior-Level Opportunity

Why Join?

You’ll have the opportunity to work on large-scale software solutions, collaborate with talented engineers across different regions, influence technical decisions, and contribute to products that have a real-world impact.

If you’re a senior engineer who enjoys ownership, problem-solving, software quality, and modern development practices, we’d love to hear from you.

#SolvoGlobal

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$0 - $0 a year