Senior Software Engineer (.NET/C#) | On-Site | ArgentinaAre 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 DoDesign, develop, and maintain backend applications using .
NET / C#Build and optimize database structures and queries in PostgreSQLDevelop and maintain APIs and core business servicesCreate and maintain automated tests to ensure software qualityInvestigate, troubleshoot, and resolve production issuesParticipate in architecture discussions, code reviews, and technical decision-makingUtilize AI development tools such as GitHub Copilot, ChatGPT, Cursor,



or similar to improve productivity while maintaining high engineering standardsMentor junior engineers and promote engineering best practicesTake ownership of features from concept to deploymentWhat 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 proficiencyWork ModalityOn-SiteAvailable for candidates located in:- Ciudad de México - MéxicoSchedule: Monday to Friday | 8:00 AM to 5:00 PM ESTContract Type: Independent ContractorInternational Team EnvironmentSenior-Level OpportunityWhy 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.

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