Senior Fullstack Engineer (.NET and JS

Hi there :)

Thanks for checking in to find out about our open position. We´ll provide as much information as possible, but please feel free to reach us if you have further questions. We´ll be happy to see your application, even if there are skills you don't quite master!

At South Geeks
, we power the evolution of technology by connecting elite LATAM engineers with future-shaping companies. For over 8 years, we’ve built high-performance, culturally aligned teams that thrive on innovation, precision, and collaboration. We care for the people who take care of our clients—creating lasting partnerships and world-class results.

Our client provides digital workflow solutions for local governments, helping them modernize operations and improve services for citizens. Their secure, scalable platform supports mission-critical functions such as payments, workflows, reporting, and public-facing applications, driving greater transparency, efficiency, and engagement at the community level.

We are seeking a Senior .NET Software Engineer to play a critical role in enhancing and expanding this modern local government management platform. This role is ideal for an engineer with deep expertise in .NET technologies, distributed systems, and SQL Server, who is passionate about delivering secure, high-performing enterprise applications.

As a senior member of the engineering team, you’ll design, implement, and optimize services across the platform, partner closely with cross-functional teams, and mentor junior developers while helping shape engineering culture.

• Design, develop, and maintain .NET applications across backend services, APIs, front-end integrations, and Azure-hosted components.

• Work with SQL Server databases: design schemas, optimize queries, ensure performance and integrity.

• Enhance and maintain services like authentication, workflow automation, reporting engines, payment processing, and APIs.

• Collaborate on system architecture to ensure scalability, reliability, and maintainability.

• Partner with Dev Ops on CI/CD pipelines, monitoring (Datadog, New Relic, Sentry), and Azure infrastructure.

• Mentor junior engineers, participate in code reviews, and contribute to onboarding.

• Troubleshoot and resolve production issues to maintain system uptime.

• Write clean, testable, and well-documented code following best practices and SOLID principles.

• Bachelor’s degree in Computer Science or equivalent experience.

• 5+ years of professional experience with C# and .NET frameworks.

• Knowledge of Angular
  
  JS.

• Strong experience with Microsoft IIS, WCF, REST APIs, and Azure App Services.