Working Hours: Must be available to work during U.S. Eastern Time (ET) business hoursWe are looking for a Senior .
NET Developer with extensive experience in enterprise application development, legacy modernization, and hands-on migration of applications from On-Premises environments to AWS.The adecuado candidate will combine strong C#/.
NET engineering skills with deep AWS architecture, cloud modernization, and production migration expertise.Required Technical Skills:8+ years of software development experience, including 5+ years working with C#/.
NET.Strong proficiency in C#, .
NET 6/8+, ASP.NET Core, and .
NET Framework.Experience developing REST APIs, Web APIs, Microservices, and distributed applications.Strong knowledge of SQL Server and/or Oracle, Entity Framework/EF Core, and database integration.Experience with IIS, Windows Services, and legacy application modernization.Proven hands-on participation in at least 2 end-to-end On-Premises to AWS migration projects, including migration execution, production cutover, and stabilization.Mandatory AWS Expertise (Hands-on):Networking: VPC, Subnets, Route Tables, Security Groups, NACLs, Route 53, Load Balancers, and Hybrid Connectivity.Compute & Hosting:



EC2, ECS/Fargate, EKS, Lambda, Auto Scaling, and API Gateway.Databases: RDS/Aurora and experience with DynamoDB, ElastiCache, OpenSearch, or managed messaging services.Security: IAM, KMS, Secrets Manager/Parameter Store, CloudTrail, CloudWatch, and encryption.Infrastructure as Code: Terraform (preferred), CloudFormation, or AWS CDK.CI/CD: Jenkins, GitHub Actions, GitLab CI, AWS CodePipeline/CodeBuild, or equivalent tools.Monitoring & Operations: CloudWatch, troubleshooting, high availability, disaster recovery, and performance optimization.Nice to Have:Migration from .
NET Framework to .
NET 6/8+.
Docker, Kubernetes, ECS/Fargate, or EKS.AWS Lambda for .
NET, SQS/SNS, EventBridge, or Step Functions.AWS DMS/SCT and SQL Server/Oracle migrations to RDS/Aurora.Experience in Banking, Financial Services, or Capital Markets.AWS certifications.Important: We are seeking a hands-on developer with real AWS migration experience, not profiles focused exclusively on cloud infrastructure, architecture oversight, or project management.
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📌 Senior .Net Developer – Aws Cloud Migration (México)
🏢 Corus Consulting an Alten
📍 México