.NET Architect – AWS Migration & Modernization

SRM Digital LLC; Fort Mill (SC); On-site; USD 120,000 - 150,000; Full time

Job summary

A technology consulting firm in Fort Mill, SC is looking for a seasoned .NET Architect to lead the migration and modernization of applications on AWS. The ideal candidate will possess extensive experience with C#, .NET Core, microservices, and AWS services, alongside proving hands-on expertise in modernizing legacy apps. Responsibilities include designing cloud-native solutions, providing architectural guidance, and ensuring best practices. This position requires a great ability to steer technical teams and optimize cloud workloads.

Qualifications

• 12+ years in C#, .NET Framework, and .NET Core/.NET 6/7/8.
• Experience in modernizing legacy .NET apps to .NET Core.
• Hands-on with AWS services like Lambda, SQS, and DynamoDB.

Responsibilities

• Architect and lead migration of .NET applications to AWS.
• Design cloud-native solutions using AWS services.
• Drive best practices and conduct code reviews.

Skills

C#

.NET Framework

.NET Core/.NET 6/7/8

AWS (Lambda, SQS, SNS, Step Functions, S3, RDS, DynamoDB)

DevOps (CI/CD, Docker, Kubernetes/EKS)

Architectural patterns (DDD, Clean Architecture)

Tools

Testing tools (xUnit, NUnit, Moq, Testcontainers)

Job description

Looking for an experienced .NET Architect to lead application migration, modernization, and cloud-native development on AWS. Must have strong hands-on expertise in C#, .NET Core, microservices, and AWS services, with the ability to guide teams and define end-to-end architecture.

Key Responsibilities

• Architect and lead migration of .NET applications to AWS Landing Zones (lift & shift + modernization).
• Break monolithic .NET apps into scalable microservices using .NET Core/.NET 6+.
• Design cloud-native solutions using AWS services: Lambda, API Gateway, SQS, SNS, Step Functions, S3, DynamoDB, Glue, RDS PostgreSQL.
• Provide architectural guidance, solution design, and technical leadership.
• Ensure scalability, security, resiliency, and cost optimization across AWS workloads.
• Drive engineering best practices, code reviews, and quality frameworks.

Required Skills

• 12+ years in C#, .NET Framework, .NET Core/.NET 6/7/8.
• Experience modernizing legacy .NET apps to .NET Core.
• Hands-on with AWS (Lambda, SQS, SNS, Step Functions, S3, RDS, DynamoDB).
• DevOps experience with CI/CD pipelines, Docker, Kubernetes/EKS.
• Testing tools: xUnit, NUnit, Moq, Testcontainers.
• Strong understanding of architectural patterns (DDD, Clean Architecture).

Preferred

• AWS certification (Solutions Architect / Developer / DevOps).
• Experience in large-scale enterprise modernization programs.
• Strong communication and stakeholder leadership.

Nice-to-Have Skills

• Exposure to Generative AI concepts (LLMs, embeddings, simple RAG patterns).
• Basic understanding of prompt engineering and LLM integration.
• Familiarity with Agentic AI concepts (AI agents, workflow automation).
• Some experience with vector databases (OpenSearch, Pinecone, Redis Vector).
• Awareness of AWS Bedrock services and foundational models (Claude, Llama, Titan).