Transforming Existing SaaS into Scalable Infrastructure

AWS DevOps Engineer – Scalable SaaS Infrastructure

We are looking for an experienced AWS DevOps / Infrastructure Engineer to help transform an existing SaaS platform into a scalable, production-grade architecture capable of handling high traffic.

The platform is currently running on a single EC2 instance and needs to evolve into a horizontally scalable infrastructure.

Current stack:

• Laravel backend
• React frontend
• MySQL database
• Redis caching
• Nginx web server

The application is already running in production and performing well, but the infrastructure needs to be redesigned to support traffic growth and high availability.

Scope of work:

• design and implementation of scalable AWS infrastructure
• Application Load Balancer setup
• Auto Scaling Groups for application servers
• migration of database layer to Amazon RDS
• Redis cluster configuration using ElastiCache
• migration of file storage to Amazon S3
• CDN setup using CloudFront
• infrastructure monitoring and alerting using CloudWatch
• configuration of health checks and failover strategy
• load testing and performance validation

The goal is to ensure the platform can automatically scale to support thousands of concurrent users while maintaining high availability.

Required experience:

• strong AWS infrastructure experience
• Auto Scaling Groups
• Application Load Balancers
• RDS MySQL
• ElastiCache Redis
• S3 and CloudFront
• high availability architecture

Please provide:

• AWS certifications (if available)
• examples of infrastructure projects you implemented
• links to repositories or production systems