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 Integral, 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:

- Ciudad de México - México

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.

Apply today and become part of a team that values innovation, accountability, and continuous improvement.

📌 Ingeniero de software (Ciudad de México)
🏢 Solvo Global Careers
📍 Ciudad de México