Sumit Singh

DevOps Engineer with 4+ years of experience designing, automating, and operating production-grade cloud infrastructure on AWS EKS. Proven expertise in CI/CD automation, Infrastructure as Code (Terraform, Ansible), container orchestration, and observability. Backend engineering background in Node.js enables deep collaboration with development teams. Delivered 70% faster deployments, 25% AWS cost reduction, and 99.9% production uptime.

DevOps Engineer at Vected Technologies Pvt. Ltd. (2024-12 – Present)

• Manage 3 production AWS EKS clusters hosting 30+ microservices, ensuring 99.9% uptime for business-critical workloads.
• Automated multi-environment infrastructure (dev/stage/prod) using Terraform & Ansible (IaC), reducing manual setup time by 80%.
• Built and optimized CI/CD pipelines with GitHub Actions, cutting deployment time from 45 minutes to under 15 minutes (70% reduction).
• Implemented end-to-end observability stack (Prometheus, Grafana, CloudWatch, Alertmanager), reducing MTTR by ~50%.
• Executed AWS cost optimization (rightsizing, reserved instances, spot nodes on EKS) achieving 25% monthly cost reduction.
• Configured Kubernetes NGINX Ingress Controllers, ALB, and SSL/TLS termination for secure production traffic routing.
• Managed secrets and configuration using AWS Secrets Manager and Kubernetes Secrets, enforcing security best practices.
• Collaborated with 10+ developers to streamline release workflows and troubleshoot production incidents.

Backend Engineer at Osiyatech (2022-01 – 2024-11)

• Developed and maintained scalable backend services using Node.js and Express.js, serving 100K+ monthly active users.
• Designed and implemented RESTful APIs with JWT-based authentication and role-based access control.
• Optimized MongoDB queries and indexes, improving average API response time by 30%.
• Containerized services using Docker and deployed to AWS, participating in on-call rotations for production support.
• Partnered with DevOps to design CI/CD workflows, gaining hands-on exposure to cloud deployment pipelines.

Backend Intern at Osiyatech (2021-08 – 2021-12)

• Containerized application modules using Docker, authoring optimized Dockerfiles and reducing image sizes by ~40%.
• Deployed Node.js microservices to AWS EC2, contributing to feature releases in a fast-paced agile team.
• Wrote Bash automation scripts to streamline recurring deployment and log-cleanup tasks.

Bachelor of Computer Applications in Computer Applications – Dr. C.V. Raman University (2018)