Subham Kumar

About Subham Kumar

I am a DevOps Engineer with 3 years of experience. My expertise spans across cloud infrastructure, AWS, CI/CD pipelines, automation, and container orchestration (Docker, Kubernetes).I am passionate about creating scalable, reliable, and secure systems that streamline workflows, reduce bottlenecks, and enhance collaboration across teams. Skilled in Infrastructure as Code (Terraform, Ansible), I ensure infrastructure consistency and automation, leading to predictable deployments and lower operational costs.My key competencies include- Cloud Infrastructure: Designing, deploying, and managing scalable cloud solutions on AWS- CI/CD Pipelines: Building and maintaining robust CI/CD pipelines using Jenkins and Github Actions, enabling continuous integration and delivery- Kubernetes & Docker: Orchestrating containers for microservices-based applications with Kubernetes, ensuring seamless scaling and efficient resource utilization- Automation & Scripting: Proficient in scripting languages like Python and Bash to automate repetitive tasks, optimize performance, and streamline deployments- Monitoring & Logging: Implementing end-to-end monitoring and logging solutions using tools like Prometheus, Grafana, and Cadvisor to ensure system reliability and performance.

Experience

1. Senior Devops Engineer

   Paytm

   Nov 2024 — Present · Noida, IN

   Designed and managed scalable, high-availability infrastructure using AWS (EC2, VPC, EKS, S3, Route 53, Elasticache), NGINX, and auto-scaling with load balancing, ensuring low latency and optimal front-end delivery under heavy traffic. Led cost-optimization initiatives, reducing infrastructure expenses by up to 35%- Architected and automated CI/CD pipelines for Kubernetes-based microservices using Jenkins, Ansible, CodeDeploy, Helmsman, and ArgoCD. Integrated GitOps practices and Helm for manifest management, cutting deployment time by 60% and improving release reliability by 40%- Implemented a comprehensive observability and security stack with CloudWatch, Prometheus, Grafana, Thanos, ELK, SIEM, Fluentd, and Qualys for real-time monitoring, anomaly detection, and security compliance. Enabled full monitoring and alerting for AWS EKS clusters using custom metrics exporters- Automated infrastructure provisioning and maintenance using Terraform (IaC), Ansible, Lambda, cron, and Jenkins. Achieved zero-downtime patching and reduced manual tasks by significantly improving operational efficiency. Maintained extensive documentation for deployments, system configurations, incident handling, and rollback procedures.

Education

• Harcourt Butler Technical University

  Bachelor's degree, Computer Science

  2017 — 2021