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Effectual Logo

Principal Software Engineer .NET

Effectual

$170,000 - $210,000
Sep 11, 2025
Remote, US
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Effectual is looking for a Principal Software Engineer to design, develop, and deploy cloud-based applications for their clients, ensuring the delivery of high-quality cloud solutions.

Requirements

  • Advanced .NET 6+ development with deep understanding of CLR internals, ASP.NET Core ecosystem (ASP.NET Core Web API, Entity Framework Core, ASP.NET Core Identity)
  • Microservices architecture design and implementation
  • C async/await and Task-based asynchronous programming
  • AWS Lambda serverless development with .NET runtime
  • Amazon ECS/EKS containerized .NET applications
  • AWS API Gateway integration and management
  • Amazon RDS/Aurora database integration

Responsibilities

  • Provide technical support and innovative cloud solutions by designing, architecting, maintaining, and operationalizing cloud-based web applications with .NET centric architectures
  • Design new software solutions for critical business needs and set architectural direction for .NET based projects
  • Evaluate, test, design, develop, and integrate new cloud technologies and processes to support existing infrastructure and modernization efforts
  • Serve as a technical lead on important .NET development projects and contribute to architectural norms for practice
  • Lead large feature releases that cross team boundaries or require coordination with client teams
  • Design, implement, integrate, maintain, optimize, and administer cloud solutions, infrastructures, and platforms using .NET technologies
  • Independently responsible for the entire lifecycle of medium and large features from design through deployment

Other

  • 7-10+ years of experience in Software Engineering with strong .NET development background
  • Experience with at least 2 front-end programming languages/frameworks (e.g., JavaScript/TypeScript, React, Angular, Vue.js)
  • AWS Certifications Preferred: AWS Certified Cloud Practitioner, AWS Certified Developer Associate, AWS Certified Solutions Architect Associate/Professional, AWS AI Practitioner
  • Excellent understanding of information security best practices and secure design, particularly for .NET applications
  • Understanding of .NET performance tuning and CLR optimization