executive_summary|
This enterprise microservices platform project delivered $2M in annual cost savings and 99.9% uptime for a Fortune 500 financial services client. The solution transformed their legacy infrastructure into a modern, scalable platform serving 50,000+ concurrent userswith zero-downtime deployments.
architecture_overview|
Infrastructure Foundation
Multi-environment AWS setup with EKS clusters, Aurora PostgreSQL, and ElastiCache Redis for high availability and scalability across Production, Staging, and Sandbox environments.
- ▸Multi-environment AWS setup (Production, Staging, Sandbox)
- ▸EKS clusters with self-managed node groups
- ▸Aurora PostgreSQL with Multi-AZ deployment
- ▸ElastiCache Redis clusters for high availability
- ▸ALB and Route53 for load balancing and DNS
- ▸S3 buckets for data storage and backups
Security & Compliance
Enterprise-grade security implementation with AWS GuardDuty, WAF protection, External Secrets Operator, and comprehensive IAM policies for compliance and threat detection.
- ▸AWS GuardDuty threat detection and monitoring
- ▸WAF protection and security groups
- ▸External Secrets Operator integration
- ▸Comprehensive IAM policies and roles
- ▸Network isolation and VPC configuration
- ▸Encryption at rest and in transit
microservices_architecture|
Service Categories
12+ microservices organized into API Services, Internal Services, Integration Services, and Portal Services with zero-downtime deployments and horizontal scaling capabilities.
- ▸API Services: Identity, Banking, Organization Management, Web Event Processing
- ▸Internal Services: Account Management, Key Management, File Storage, Identity Provider
- ▸Integration Services: Exchange Rate, Transfer Processing, Workflow Orchestration, Notifications
- ▸Portal Services: Organization Portal, Payments Portal, Ingress Controller
- ▸Zero-downtime deployments with rolling update strategy
- ▸Horizontal scaling with HPA based on CPU and memory metrics
Key Technical Achievements
Advanced Kubernetes configurations and service mesh implementation for optimal performance and reliability across the microservices platform.
- ▸Zero-Downtime Deployments: Rolling update strategy with maxUnavailable: 0
- ▸Horizontal Scaling: HPA configuration with CPU and memory-based scaling policies
- ▸Service Mesh: ClusterIP services with proper networking and service discovery
- ▸Configuration Management: Kustomize base/overlay pattern for environment-specific configs
- ▸Service Discovery: Kubernetes DNS for automatic service resolution
- ▸Health Checks: Liveness and readiness probes for reliable deployments
gitops_implementation|
ArgoCD Deployment & Management
ArgoCD deployed and managed entirely through Terraform, ensuring infrastructure consistency and enabling automated GitOps workflows across all environments.
- ▸ACM certificates for secure HTTPS communication
- ▸Automated namespace creation and RBAC configuration
- ▸Image Updater for automated container image updates
- ▸External DNS integration for seamless service discovery
- ▸Application of Applications pattern for scalable management
- ▸Multi-environment synchronization with Kustomize overlays
External Secrets Integration
Secure credential management through AWS Secrets Manager integration with External Secrets Operator, eliminating hardcoded secrets and ensuring compliance.
- ▸AWS Secrets Manager for centralized secret storage
- ▸External Secrets Operator for Kubernetes integration
- ▸Automatic secret synchronization and rotation
- ▸Namespace-based secret isolation
- ▸Compliance with security best practices
- ▸Audit trail for secret access and changes
monitoring_observability|
Prometheus & Grafana Stack
Comprehensive monitoring solution with custom dashboards, OAuth integration, and automated alerting for microservices performance and health tracking.
- ▸Custom dashboards for microservices monitoring
- ▸OAuth integration with AWS Cognito
- ▸PagerDuty integration for critical alerts
- ▸Slack notifications for engineering teams
- ▸ServiceMonitor CRDs for Kubernetes-native metrics
- ▸Recording rules for pre-computed aggregations
AWS CloudWatch Integration
Centralized logging and metrics collection with custom CloudWatch dashboards, automated alerting, and Datadog integration for enhanced observability.
- ▸Centralized logging and metrics collection
- ▸Custom CloudWatch dashboards
- ▸Automated alerting and incident response
- ▸Datadog integration for enhanced observability
- ▸Log Insights for advanced querying
- ▸CloudWatch Alarms for proactive monitoring
Results Achieved
Operational Excellence
- ✓99.9% Uptime - Proactive monitoring and reliability
- ✓Zero Downtime Deployments - Rolling update strategy
- ✓80% MTTR Reduction - Faster incident resolution
- ✓95% Automation - Automated deployments reduced manual errors
Business Impact
- ✓$2M Annual Cost Savings - Infrastructure optimization
- ✓50,000+ Concurrent Users - Scalable platform
- ✓70% Faster Deployments - GitOps automation
- ✓Improved Developer Experience - Simplified workflows