AWS Cloud Engineer

AWS Cloud Specialist

Experience - 8 to 12 years

Notice Period - Immediate to 15 days

Location - Nungambakkam, Chennai (work from client office - weekly 5 days)

We are scaling our payment terminal platform to support cloud‑connected devices with persistent WebSocket sessions and event‑driven transaction processing. We’re looking for a hands‑on AWS Cloud Specialist to own the design, deployment, reliability, and cost optimization of this next‑generation architecture.

What You’ll Work On

• AWS infrastructure for WebSocket Connection Manager (ECS), DynamoDB / Redis ConnectionState, and SQS FIFO + Lambda transaction pipelines
• ALB configuration for WebSocket upgrades and sticky session routing
• Autoscaling strategies based on active connections, CPU, and memory
• Benchmarking DynamoDB vs Redis for latency, reconnect consistency, and churn
• Observability using CloudWatch, alarms, and AWS X‑Ray
• Kafka to SQS migration to significantly reduce infrastructure cost
• End‑to‑end Infrastructure‑as‑Code using Terraform or AWS CDK
• Collaboration on CI/CD pipelines, DR, and environment parity

Required Skills

• ECS (Fargate & EC2)
• DynamoDB, SQS FIFO, Lambda
• ALB (WebSockets), Redis (ElastiCache)
• IAM, VPC, Security Groups
• CloudWatch, X‑Ray
• Terraform or AWS CDK
• Backend experience in Python, Node.js, Go, or Java