Summary
Overview
Work History
Education
Skills
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Dasari Bullaiah

Dasari Bullaiah

Hyderabad

Summary

Results-driven DevOps Engineer with 12 years of IT experience, including 8 years in DevOps, enabling automation, scalability, and secure cloud-native deployments. Expert in Kubernetes, GitOps, Infrastructure as Code, and CI/CD, with a proven ability to drive production-ready deployments. Skilled at optimizing cloud costs, implementing DevSecOps practices, and ensuring observability in large-scale environments. Adept at collaborating across teams to deliver resilient, secure, and scalable systems.

Overview

12
12
years of professional experience

Work History

DevOps Engineer

Walmart Global Tech India Pvt Ltd
Chennai
01.2022 - 06.2025
  • Company Overview: An American multinational retail corporation
  • Provisioned and managed AWS cloud infrastructure for Dev, QA, Stage, Prod environments using Terraform, ensuring version control and repeatable deployments.
  • Built and maintained Terraform modules to automate provisioning of AWS Resources.
  • Orchestrated deployment of four containerized applications on Kubernetes, leveraging Helm charts with ArgoCD and YAML manifests for real-time scaling and efficient resource utilization.
  • Designed and implemented centralized CI/CD pipelines using Jenkins, improving deployment efficiency by 25% and reducing infrastructure costs through optimized resource utilization and automation.
  • Integrated SonarQube into Jenkins pipelines, enhancing code quality and enabling early security and bug detection with 98% issue detection accuracy.
  • Led migration of monolithic services to containerized solutions using Docker and EKS, reducing deployment errors by 60%
  • Monitored infrastructure using Prometheus and Grafana set up alerting for CPU spikes, disk I/O.
  • Developed custom monitoring scripts, health checks, and cron jobs to reduce manual interventions.
  • Performed regular cost analysis and optimization by identifying underutilized EC2 instances and recommending savings plans using Python Boto3.
  • An American multinational retail corporation

DevOps Engineer

Infosys Technologies
Hyderabad
08.2018 - 01.2022
  • Company Overview: An American multinational retail corporation
  • Deployed and configured CI/CD pipelines for multiple Java-based applications using Jenkins.
  • Provisioned infrastructure using Terraform and managed configuration with Ansible.
  • Resolved intermittent API failures by identifying NGINX misconfigurations and tuning upstream timeout values.
  • Migrated legacy VM-based applications to Kubernetes-based microservices architecture, increasing deployment speed and scalability by 40% while reducing manual configuration overhead.
  • Introduced infrastructure provisioning using Terraform modules, ensuring consistent environments across development, QA, and production.
  • An American multinational retail corporation

Devops Support Engineer

HCL Technologies
Hyderābād
07.2017 - 08.2018
  • Company Overview: A British multinational universal bank that offers a wide range of banking services, including retail, corporate, investment, and wealth management
  • Provided support for Java-based applications, ensuring smooth operation and quick resolution of issues.
  • Performed pod eviction process when CPU crossed 80%.
  • Participated in automation using Python and Shell Scripts.
  • Wrote Docker files for Java-based applications.
  • Participated in deployment for monitoring the graphs.
  • Worked closely with DevOps engineering and application teams on logs downloaded for better configuration.
  • Set up Grafana alerts to proactively monitor system performance and trigger timely responses for issues impacting application stability.
  • A British multinational universal bank that offers a wide range of banking services, including retail, corporate, investment, and wealth management

Java Application Support

HCL Technologies
Chennai
08.2013 - 07.2017
  • Company Overview: A British multinational universal bank that offers a wide range of banking services, including retail, corporate, investment, and wealth management
  • Provided support for Java-based applications, ensuring smooth operation and quick resolution of issues.
  • Managed application-related issues via Jira, collaborating with cross-functional teams to track, prioritize, and resolve incidents.
  • Identified bugs and collaborated with Dev & Product teams, driving timely resolutions to prevent customer impact and ensure system reliability.
  • Automated processes for detecting and resolving bulk offer mismatches between upstream and downstream systems, preventing business disruptions and minimizing customer impact.
  • Set up Grafana alerts to proactively monitor system performance and trigger timely responses for issues impacting application stability.
  • A British multinational universal bank that offers a wide range of banking services, including retail, corporate, investment, and wealth management

Education

Master of Technology -

Gokul Institute of Sciences and Technologies
Andhra Pradesh
12.2011

Skills

  • Agile
  • Ansible
  • ArgoCD
  • AWS
  • Bash
  • Docker
  • ELK Stack
  • Git
  • GitHub
  • Grafana
  • Helm
  • Java
  • Jenkins
  • Jira
  • Kubernetes
  • Linux
  • OpenCost
  • Prometheus
  • Python
  • Shell Script
  • Terraform

Websites

Personal Information

Title: DevOps Engineer

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Dasari Bullaiah