Principal Software Engineer (.NET, AWS)

Resourceful Talent Group; New York (NY); Hybrid; USD 180,000 - 260,000; Full time

Job summary

Resourceful Talent Group is seeking a Principal Engineer to lead architecture and drive modernization of a large-scale cloud-native SaaS platform. You will work across backend, frontend, and DevOps teams, delivering reliable, scalable features in .NET and AWS.

The role combines hands-on coding with technical leadership and cross-functional collaboration. Ideal candidates have 10+ years building SaaS, 3+ years as Principal Engineer or Tech Lead, and strong C#, ASP.NET, and AWS experience.

Qualifications

• 10+ years of experience building SaaS applications.
• 3+ years in a Principal Engineer or Tech Lead role.
• Strong C#, ASP.NET, .NET Core, and xUnit experience.
• 1+ years AWS experience: Lambda, API Gateway, S3, CloudFormation, RDS, DynamoDB, EC2, Cognito.
• Strong system architecture and distributed systems expertise.
• Ability to review and guide React/TypeScript development.
• Excellent leadership and collaboration skills.
• Bachelor’s degree in Computer Science or related field (preferred).

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.

Skills

C#

ASP.NET

NET Core

React/TypeScript

AWS

Distributed systems

Leadership

Architecture

Education

Bachelor's degree in Computer Science

Tools

AWS Lambda

API Gateway

DynamoDB

RDS

S3

CloudFormation

Job description

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.
• 10+ years of experience building SaaS applications.
• 3+ years in a Principal Engineer or Tech Lead role.
• Strong C#, ASP.NET, .NET Core, and xUnit experience.
• 1+ years AWS experience: Lambda, API Gateway, S3, CloudFormation, RDS, DynamoDB, EC2, Cognito.
• Strong system architecture and distributed systems expertise.
• Ability to review and guide React/TypeScript development.
• Excellent leadership and collaboration skills.
• Bachelor’s degree in Computer Science or related field (preferred).
• Hybrid (New York, NY)
• Direct hire only.
• Must be a U.S. Citizen or Green Card holder.
• No C2C / No Third Parties.