Senior AWS .NET Developer NewYork, Austin, Charolette- Hybrid

Title: Senior AWS .NET Developer

Type: Contract

Location: Hybrid

We are seeking a Senior AWS .NET Developer to design and build cloud-native services and modernize existing .NET applications on AWS. You’ll work closely with product, architecture, and Dev Ops teams to deliver secure, scalable APIs and event-driven solutions.

• Design, develop, and deploy .NET Core / C# microservices and APIs on AWS
• Build event-driven integrations using SQS/SNS, Event Bridge, Lambda (as applicable)
• Implement data access patterns using RDS/Aurora/DynamoDB and caching (e.g.,
  Elasti Cache
  )
• Automate builds and deployments using CI/CD (Code Pipeline/Git Hub Actions/Jenkins)
• Use Infrastructure as Code (Cloud Formation/Terraform/CDK)
• Apply security best practices (IAM least privilege, encryption, secrets management)
• Troubleshoot production issues, improve performance, and ensure reliability/observability

• 8+ years overall development; 3+ years building on AWS
• Strong C#, .NET Core
  , REST API design, microservices patterns
• Hands-on with AWS services:
  EC2/ECS/EKS/Lambda, API Gateway, S3, Cloud Watch
• Strong understanding of OAuth2/OIDC
  , secure API design, and logging/monitoring
• Experience with containers (Docker) and orchestration (ECS/EKS) preferred

• Messaging/streaming:
  Kafka / MSK
• Observability:
  Cloud Watch, X-Ray, Open Telemetry, Splunk/Datadog
• Domain experience in financial services (nice but not required)