Principal 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 for a client delivering a cloud-native SaaS platform used by global creative teams. The role emphasizes architecture, scalability, and hands-on development with .NET, C#, and AWS.

Based in New York with a hybrid work arrangement, you will guide backend, frontend, DevOps, and offshore engineers, drive modernization, and collaborate with product leadership to ship high-quality releases.

Qualifications

• 10+ years in SaaS development
• 3+ years in Principal Engineer or Tech Lead roles
• Bachelor’s degree in Computer Science or related field (preferred)

Responsibilities

• Lead 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).
• 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

Leadership

Architecture

C# / .NET

xUnit

AWS

React/TypeScript

Distributed systems

Team guidance

Education

Bachelor’s degree in Computer Science

Tools

Lambda

API Gateway

DynamoDB

RDS

S3

CloudFormation

EC2

Cognito

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.