Senior AWS DevOps Engineer (High-Load / Real-Time Platform)

About the Project

We are building a high-load digital platform with a strong focus on real-time operations, ticketing, and scalable backend services.

The system must reliably handle traffic spikes, concurrent users, and mission-critical workflows (ticket sales, check-in, live events).

We are looking for an experienced DevOps / Infrastructure Engineer to help us audit, design, and build a robust AWS-based infrastructure.

The engagement will include an initial assessment phase followed by full implementation and optimization.

This is a long-term project with real production impact, high responsibility, and strong technical challenges.

Responsibilities

• Audit and assess existing infrastructure
• Design scalable AWS architecture
• Configure S3 for asset and user-generated content storage
• Deploy and manage backend services using EC2 / ECS (Fargate)
• Set up load balancers, DNS, and caching layers
• Build real-time infrastructure (WebSockets, Redis pub/sub)
• Design and implement CI/CD pipelines
• Ensure safe, tested, and automated deployments
• Set up monitoring and alerting (CloudWatch, Sentry, etc.)
• Optimize infrastructure for high concurrency and traffic spikes
• Plan and execute load testing
• Improve system reliability, performance, and fault tolerance
• Maintain security and best DevOps practices

Requirements

• Strong hands-on experience with AWS
• Experience with EC2, ECS (Fargate), S3, ALB, Route53
• Experience designing scalable backend infrastructure
• Experience with Docker and containerized deployments
• Strong understanding of networking and load balancing
• Experience with Redis (caching / pub-sub / coordination)
• Experience building CI/CD pipelines (GitHub Actions, GitLab CI, etc.)
• Experience with monitoring and logging systems
• Knowledge of high-availability and fault-tolerant architectures
• Ability to work with high-load systems in production
• Experience with security best practices on AWS

Nice to Have

• Experience with Kubernetes (EKS or self-managed)
• Experience with Terraform / IaC
• Experience with load testing tools (k6, Locust, JMeter)
• Experience in ticketing / event / booking systems
• Experience working with WebSocket-based systems
• Knowledge of CDN optimization (CloudFront, similar)
• Experience in cost optimization on AWS

Experience Level

• 3+ years in DevOps / Infrastructure Engineering
• Proven experience with production AWS systems
• Experience handling high-traffic platforms
• Portfolio / case studies of infrastructure projects is a plus

Engagement Format

• Phase 1: Infrastructure audit and architecture design
• Phase 2: Implementation and optimization
• Possible long-term support and scaling