Raghunathan S.

🥇 Top 3% AWS Expert on Upwork | AWS Advanced Tier Services Partner | Certified Solutions Architect I help startups and enterprises design, migrate, and optimize secure, scalable AWS infrastructure. 10+ years delivering cloud architecture, zero-downtime migrations, DevOps automation, and cost optimization for telecom, SaaS, fintech, and enterprise platforms handling millions of users. What I Do: ☁️ AWS Cloud Architecture – Landing Zone design, secure 3-tier architecture, multi-account strategy, high availability, disaster recovery, network design (VPC, Route53, CloudFront) 🚀 AWS Migration – Data center to AWS, multi-cloud strategy, phased migrations, zero-downtime cutover, lift-and-shift, refactor, re-platform approaches ⚙️ DevOps & Automation – Terraform IaC, CloudFormation, CI/CD pipelines (GitHub Actions, CodePipeline, Jenkins), EKS/ECS, Docker, Kubernetes, infrastructure automation 💰 AWS Cost Optimization – Right-sizing analysis, Reserved Instances, Savings Plans, FinOps implementation, cost anomaly detection, cloud billing analysis (25-40% savings achieved) 🔐 Security & Compliance – IAM hardening, least-privilege access, VPC security, WAF/Shield, encryption (KMS), SOC 2, HIPAA, PCI-DSS compliance on AWS 🤖 Serverless & AI – Lambda, API Gateway, Bedrock, SageMaker, event-driven architectures, real-time analytics AWS Services Expertise: EC2, S3, RDS, Aurora, Lambda, API Gateway, DynamoDB, ECS, EKS, CloudFront, Route53, VPC, IAM, CloudWatch, CloudTrail, Glue, Kinesis, SageMaker, Bedrock, WAF, KMS, Terraform, Docker Proven Results: ✔ Reduced AWS costs by 35% for telecom infrastructure migration ✔ Optimized video platform infra saving $7K/month in CDN + storage ✔ Migrated 20+ production workloads with zero downtime ✔ Designed secure, compliant AWS architecture for enterprise deployments ✔ Built automated DevOps pipelines reducing deployment time by 70% Why Hire Me: ⭐ Deep AWS expertise (Advanced Tier Partner certified) ⭐ Hands-on experience with enterprise workloads ⭐ Security-first architecture by design ⭐ Cost-conscious optimization without sacrificing performance ⭐ Clear architecture documentation + ongoing support ⭐ Business-focused – align cloud solutions with business goals Services: AWS architecture design, migration planning, cost optimization audit, landing zone setup, DevOps automation, infrastructure security review, compliance implementation, disaster recovery planning. Need AWS architecture advice, migration strategy, or cost optimization? Message me for a quick audit + architecture recommendation call.