Senior Software Engineer (.NET/C#)

Senior Software Engineer (.NET/C#) \u007C On-Site \u007C 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 \u007C 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.   #SolvoGlobal #LI-PROMOTED #LI-Onsite