DASARI BULLAIAH
DevOps Engineer
Hyderabad
Summary
Results-driven DevOps Engineer with 12 years of IT experience, including 5+ years in DevOps, enabling automation, scalability, and secure mission-critical retail and POS applications across on-premises and cloud environments.. 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
01.2022 - 06.2025
- Designed, implemented, and maintained scalable DevOps platforms supporting mission-critical retail and POS applications across on-premises and hybrid cloud environments.
- Managed and optimized Kubernetes (K8s) clusters for high availability, automated deployments, workload scaling, and application resiliency.
- Developed Infrastructure as Code (IaC) solutions using Terraform to provision, configure, and manage infrastructure consistently across multiple environments.
- Built and maintained end-to-end CI/CD pipelines, enabling automated build, test, security scanning, and deployment processes, with reduced release cycles.
- Supported C# and C++ application ecosystems by streamlining build automation, deployment workflows, and runtime monitoring.
- Collaborated with development teams to troubleshoot application, infrastructure, and deployment issues across production and non-production environments.
- Implemented observability solutions, including logging, monitoring, and alerting, to improve platform reliability and reduce incident response times.
- Managed release processes for distributed applications running on Linux and Windows environments.
- Automated infrastructure provisioning and operational tasks reduce manual effort and improve deployment consistency.
- Supported Android-based and edge device deployments, ensuring secure software distribution, remote updates, and operational stability.
- Performed root cause analysis for production incidents, and implemented preventive measures to improve system availability.
- Optimized Kubernetes resource utilization and cluster performance, resulting in improved application availability, and reduced infrastructure costs.
DevOps Engineer
Infosys Technologies
05.2020 - 01.2022
- 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
Java Support Engineer
Infosys Technologies
08.2018 - 04.2020
- Provided support for Java-based applications, ensuring smooth operation and quick resolution of issues
- Managed application-related issues via Jira, collaborating with crossfunctional 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
Java Application Support
HCL Technologies
08.2013 - 08.2018
- Provided support for Java-based applications, ensuring smooth operation and quick resolution of issues
- Managed application-related issues via Jira, collaborating with crossfunctional 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
Education
Master Of Technology -
Gokul Institute Of Sciences And Technologies
Andhra Pradesh12-2011
Skills
Agile
Ansible
ArgoCD
AWS
Bash
Docker
ELK Stack
Git/GitHub
GitHub Actions
Grafana/Prometheus
Helm
Jenkins
Jira
Kubernetes
Terraform
Timeline
DevOps Engineer
Walmart Global Tech India Pvt Ltd
01.2022 - 06.2025
DevOps Engineer
Infosys Technologies
05.2020 - 01.2022
Java Support Engineer
Infosys Technologies
08.2018 - 04.2020
Java Application Support
HCL Technologies
08.2013 - 08.2018
Master Of Technology -
Gokul Institute Of Sciences And Technologies