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ArenRedd/README.md

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Cloud Engineer | AWS & DevOps Enthusiast

Building cloud-native systems, CI/CD pipelines, and secure serverless architecture on AWS.

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🚀 About Me

👨‍💻 Who am I?

  • ☁️ Cloud Engineer passionate about building scalable, secure infrastructure on AWS.
  • 📦 Hands-on with ECS, Lambda, CodeDeploy, Glue, DMS, and event-driven architecture.
  • 🚀 Currently building production-grade AWS portfolio projects — blue-green deployments, data migrations, and serverless data lakes.
  • 🌱 Currently learning Kubernetes, Terraform, AWS CDK, and advanced DevOps automation.
  • 🛡️ Cybersecurity background powering a secure-by-design approach to every environment I build.

"I don't just provision infrastructure. I build resilient cloud systems that solve real-world problems."

Coding Animation

🏅 Highlights

  • ☁️ 4 AWS portfolio projects built end-to-end from scratch
  • 🔄 Blue-green deployments — CodeDeploy with ECS, Lambda, and automated rollbacks
  • 🗄️ Oracle → Aurora PostgreSQL migration — DMS + Schema Conversion Tool
  • 🏗️ Serverless data lake — Lambda layers, Glue ETL, and EventBridge orchestration
  • 🛡️ Security incident-response automation — Security Hub, EventBridge, and Lambda
  • 🔐 Cybersecurity background applying secure-by-design principles everywhere

⚡ Tech Stack & Engineering Arsenal

💻 Languages



⚙️ Backend & Scripting



🗄️ Databases & Caching



☁️ Cloud & DevOps

🛠️ AWS Services



S3 • RDS / Aurora • DynamoDB • ALB • ECR • CloudWatch • SNS • Security Hub • IAM


📊 Data Engineering

AWS Glue • AWS DMS • ETL • CDC Pipelines • Data Lakes • Athena • Schema Conversion • Partitioning


🔐 Security & Access Control

IAM Least Privilege • Security Hub • GuardDuty • CloudWatch Alarms • Incident Response • Automation

💼 Featured Projects

🔄 Advanced Blue-Green Deployments

Zero-downtime blue-green deployments for ECS and Lambda with AWS CodeDeploy, automated health checks, traffic shifting, and rollback triggers.

CodeDeploy ECS Lambda ALB CloudWatch SNS

  • ✔ Dual target groups with automatic traffic shifting
  • ✔ Alarm-driven automated rollbacks & lifecycle hooks

🗄️ Oracle to PostgreSQL Migration

Heterogeneous database migration from Oracle to Aurora PostgreSQL using AWS DMS and Schema Conversion Tool with minimal downtime.

DMS Aurora PostgreSQL SCT RDS CDC

  • ✔ Full-load + continuous change data capture
  • ✔ Schema conversion assessment & post-migration validation

🏗️ Serverless Data Lake Architecture

Event-driven serverless data lake with Lambda layers, Glue ETL, EventBridge orchestration, and automated data quality validation.

Lambda Glue EventBridge S3 DynamoDB Athena

  • ✔ Shared Lambda layers & quality scoring with quarantine
  • ✔ Crawler-driven schema discovery & custom CloudWatch metrics

🛡️ Security Incident Response Automation

Automated incident response with Security Hub, EventBridge, and Lambda — classification, remediation workflows, and SNS notifications.

Security Hub EventBridge Lambda SNS IAM

  • ✔ Severity-based classification & automated remediation
  • ✔ Manual escalation & Security Hub insights for tracking

🚀 Cloud Engineering Experience

Throughout my cloud journey, I have designed and implemented production-grade AWS systems across multiple domains.

🌐 Compute & Containers

  • AWS ECS with Fargate
  • Lambda serverless functions
  • Docker containerization
  • Application Load Balancers
  • ECR image registry

⚡ CI/CD & Deployments

  • CodeDeploy blue-green
  • Traffic shifting & canary
  • Automated rollbacks
  • Deployment lifecycle hooks
  • GitHub Actions

🗄️ Data & Migration

  • AWS DMS replication
  • Schema Conversion Tool
  • Aurora PostgreSQL & RDS
  • Glue ETL & data lakes
  • Change Data Capture (CDC)

🛡️ Security & Monitoring

  • Security Hub aggregation
  • Incident-response automation
  • IAM least privilege
  • CloudWatch metrics & alarms
  • SNS notifications

🏗️ Event-Driven Architecture

  • EventBridge custom buses
  • Content-based routing rules
  • S3 event notifications
  • Decoupled pipelines
  • Intelligent data routing

🔧 Infrastructure as Code

  • Terraform
  • AWS CDK
  • CloudFormation
  • Bash automation scripts
  • Reproducible environments

🏆 Cloud Portfolio Highlights

I have designed and built 4 production-grade AWS portfolio projects covering deployment automation, data migration, analytics, and security.

🚀 Technologies & Architectures Worked On:
Blue-Green Deployments (ECS & Lambda) • CodeDeploy Traffic Shifting • CloudWatch Alarm-Driven Rollbacks • Oracle → Aurora PostgreSQL Migration • AWS DMS Full-Load + CDC • Schema Conversion (SCT) • Serverless Data Lakes • Lambda Layers • Glue ETL Pipelines • EventBridge Custom Buses • Data Quality Validation • Security Incident Response Automation • Security Hub Findings • Automated Remediation • IAM Least Privilege • SNS Notifications • S3 Storage Architecture • DynamoDB Metadata Stores

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