Senior .NET Lead Architect: AWS Microservices, Cloud-Native

Jobtailor; South Carolina; On-site; USD 140,000 - 210,000; Full time

Job summary

Jobtailor in the United States seeks a Senior .NET Architect to lead the migration of legacy applications to AWS and design scalable microservices. You will guide architecture decisions across AWS services and DevOps automation.

You have deep hands-on experience with .NET, microservices, and cloud-native patterns, and you will mentor teams while delivering robust, cost-aware solutions.

Qualifications

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

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.
• Enable DevOps automation using CI/CD, Docker, Kubernetes/EKS, IaC.
• Ensure scalability, security, resiliency, and cost optimization across AWS workloads.
• Drive engineering best practices, code reviews, and quality frameworks.

Skills

C# / .NET

Microservices design

RESTful APIs

AWS cloud architecture

DDD / Clean Architecture

DevOps mindset

Testing with xUnit/NUnit

Tools

Docker

Kubernetes / EKS

CI/CD pipelines

Terraform / IaC

Testcontainers

Job description

Jobtailor in the United States seeks a Senior .NET Architect to lead the migration of legacy applications to AWS and design scalable microservices. You will guide architecture decisions across AWS services and DevOps automation.

You have deep hands-on experience with .NET, microservices, and cloud-native patterns, and you will mentor teams while delivering robust, cost-aware solutions.