Amazon Web Services

Amazon Web Services (AWS)

Hands-on experience with AWS services including EC2, S3, Lambda, RDS, VPC, IAM, Auto Scaling, and Load Balancing.

AWS Expertise

I have hands-on experience designing and implementing scalable, high-availability cloud solutions on Amazon Web Services. My expertise spans compute, storage, networking, security, and DevOps services.

Compute Services

  • EC2 (Elastic Compute Cloud): Launching and managing virtual servers with appropriate instance types for different workloads. Configuring auto-scaling groups, launch templates, and instance lifecycle management.

    Implementing EC2 best practices including instance sizing, reserved instances for cost optimization, and spot instances for fault-tolerant workloads. Managing AMIs, snapshots, and instance metadata services.

  • Lambda (Serverless Computing): Building serverless applications using AWS Lambda functions. Implementing event-driven architectures with Lambda, API Gateway, and other AWS services.

    Optimizing Lambda functions for performance and cost. Managing function versions, aliases, and environment variables. Implementing proper error handling, retries, and dead letter queues.

Storage Services

  • S3 (Simple Storage Service): Implementing object storage solutions with proper bucket policies, versioning, and lifecycle management. Using S3 for static website hosting, backup, and data archiving.

    Configuring S3 access controls, encryption (SSE-S3, SSE-KMS), and cross-region replication. Implementing S3 pre-signed URLs for secure, temporary access and using S3 Transfer Acceleration for improved upload performance.

  • EBS (Elastic Block Store): Managing persistent block storage volumes for EC2 instances. Implementing volume snapshots, encryption, and performance optimization (IOPS, throughput).

    Using EBS for database storage with appropriate volume types (gp3, io1, io2). Implementing backup strategies and disaster recovery with EBS snapshots.

Networking & Content Delivery

  • VPC (Virtual Private Cloud): Designing isolated network environments with subnets, route tables, internet gateways, and NAT gateways. Implementing VPC peering, VPN connections, and AWS Direct Connect.

    Configuring security groups and network ACLs for layered network security. Implementing private subnets for backend resources and public subnets for internet-facing resources.

  • Load Balancing: Implementing Application Load Balancer (ALB) and Network Load Balancer (NLB) for high availability and traffic distribution. Configuring target groups, health checks, and SSL/TLS termination.

    Using load balancers for blue-green deployments and canary releases. Implementing sticky sessions, connection draining, and cross-zone load balancing as needed.

  • Route 53: Managing DNS services for domain management, health checks, and traffic routing. Implementing DNS failover, weighted routing, and latency-based routing.

    Using Route 53 for domain registration, hosted zones, and record management. Implementing Route 53 health checks for automated failover scenarios.

Database Services

  • RDS (Relational Database Service): Managing managed database instances for SQL Server, MySQL, PostgreSQL, and other engines. Implementing automated backups, read replicas, and Multi-AZ deployments for high availability.

    Configuring RDS parameter groups, option groups, and security groups. Implementing RDS snapshots, point-in-time recovery, and database migration strategies.

Security & Identity

  • IAM (Identity and Access Management): Implementing fine-grained access control with users, groups, roles, and policies. Using IAM roles for EC2 instances, Lambda functions, and cross-account access.

    Following least privilege principle, implementing MFA, and using IAM policy conditions. Managing service roles, instance profiles, and temporary credentials securely.

  • Security Best Practices: Implementing encryption at rest and in transit, using AWS KMS for key management. Configuring CloudTrail for audit logging and CloudWatch for monitoring.

    Implementing network security with security groups, network ACLs, and VPC flow logs. Using AWS WAF for web application firewall protection and AWS Shield for DDoS protection.

Auto Scaling & High Availability

  • Auto Scaling Groups: Configuring auto-scaling groups to automatically adjust capacity based on demand. Implementing scaling policies, target tracking, and scheduled scaling.

    Using CloudWatch metrics and alarms to trigger scaling actions. Implementing health checks and instance replacement for fault tolerance. Balancing cost optimization with performance requirements.

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