DevOps Engineer (Lead Responsibilities) at Kissht

• Managed and upgraded production Kubernetes (EKS) infrastructure for high-traffic, consumer-facing applications serving over 59 million users, resolving daily pod failures, rollout issues, and scaling bottlenecks. • Reduced operational alert noise by 40 percent and improved on-call rotation efficiency by automating event-driven alerts using AWS Lambda and EventBridge, while leveraging New Relic APM to identify root-cause performance issues. • Provisioned and continually upgraded cloud infrastructure using Terraform, implementing remote state management and standardized modules to ensure reliable, collaborative infrastructure as code deployments. • Engineered and optimized automated CI/CD pipelines to ensure stable deployment health, implementing blue-green and canary release strategies to achieve zero-downtime deployments and instant rollback capabilities. • Strengthened cloud security posture and disaster recovery readiness by enforcing IAM least-privilege access, automating secret rotation, and configuring hardened network controls including WAF and strict IP allow-listing. • Maintained and optimized critical datastores and caching layers—including Redis and relational databases—by tuning resource allocations, enforcing retention policies, and right-sizing workloads for high availability. • Managed daily infrastructure health by taking ownership of Kubernetes stability, reducing pod crash loops and OOM incidents by 30 percent through proactive resource tuning and implementing root-cause fixes for scaling bottlenecks. • Established centralized monitoring and alerting standards using Prometheus, Grafana, and APM tools, ensuring full visibility of critical services to track deployment health and proactively reduce operational noise. • Upgraded and improved cloud infrastructure by driving cost-aware architectural decisions, balancing system scalability and resilience for high-traffic workloads while reducing waste through intelligent autoscaling. • Acted as a primary DevOps stakeholder and strong cross-functional communicator, collaborating closely with developers and QA to streamline continuous integration workflows and mentor junior engineers. • Improved continuous integration and deployment pipelines by defining and rolling out a structured Git branching strategy, enabling parallel development streams and ensuring predictable, stable releases.