Principal Engineer (.NET, AWS)

New York, New York, United States February 25, 2026

We are hiring a Principal Engineer for a client that provides a cloud-native SaaS platform supporting global creative teams. The platform leverages AWS serverless technologies, .NET, and React/TypeScript. This senior role focuses on architecture, scalability, engineering leadership, and hands-on development.

Responsibilities

Lead the architectural direction and modernization of a large-scale SaaS platform.
Improve system scalability, performance, and reliability.
Build features in .NET and AWS (Lambda, API Gateway, DynamoDB, RDS, etc.).
Guide backend, frontend, DevOps, QA, and offshore engineers.
Implement and uphold engineering best practices and code standards.
Collaborate with Product leadership to deliver high-quality releases.