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Mar 24, 2026

Principal Software Engineer (.NET, AWS)

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We are hiring a Principal Engineer for a client that provides a cloud-native SaaS platform supporting global creative teams. This role is remote with occasional travel every 1 to 2 months. 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. Job requirements • 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). Work Requirements • Remote, 9 am-6 pm EST • Direct hire only • Must be a U.S. Citizen or a Green Card holder • No C2C / No Third Parties Apply Now Apply Now