Principal .NET Engineer — Remote & AI-Driven Backend

Prosigliere, Inc.; Argentina; Remote; ARS 212,038,000 - 302,911,000; Full time

Job summary

Prosigliere, Inc. seeks a Principal .NET Engineer to set the technical direction of a key product area for a US-based client.

You will shape the roadmap, reduce architectural complexity, and raise the engineering bar across teams, including guiding AI-assisted development and how agents contribute to code. The role requires 10+ years in software engineering with deep .NET/C# backend expertise, Azure, SQL Server, and hands-on leadership over remote, international teams.

Qualifications

• 10+ years of software engineering experience, including backend work in .NET/C#.
• Strong Azure expertise and hands-on AI-assisted development experience.
• Experience leading architectural decisions and driving architectural debt removal.
• Proven ability to mentor engineers and raise engineering standards.
• Proficient in relational databases (SQL Server) and scalable backend design.

Responsibilities

• Set the technical direction for a major product area aligned with business goals.
• Identify architectural debt and lead efforts to improve reliability.
• Collaborate with Product and Engineering leadership on roadmaps and feasibility.
• Raise engineering standards through code reviews, mentoring, and knowledge sharing.
• Design and deliver scalable backend services with .NET/C# across distributed teams.
• Define review processes for AI-generated code and agentic development tools.
• Evaluate and adopt modern .NET capabilities and DevOps practices.

Skills

.NET/C#

Azure

AI integration

Remote leadership

Software architecture

English proficiency

Tools

Docker

Kubernetes

CI/CD

SQL Server

Razor

Blazor

Angular

Job description

Prosigliere, Inc. seeks a Principal .NET Engineer to set the technical direction of a key product area for a US-based client.

You will shape the roadmap, reduce architectural complexity, and raise the engineering bar across teams, including guiding AI-assisted development and how agents contribute to code. The role requires 10+ years in software engineering with deep .NET/C# backend expertise, Azure, SQL Server, and hands-on leadership over remote, international teams.