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

General, 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