HASINI BITLA

Project Name: FreyaFusion

Responsibilities:

• Hands-on experience with a wide range of AWS services, including ECS, Lambda, CloudFormation, S3, RDS, CloudFront, WAF, Redshift, and networking/security tools, with a strong focus on building secure, scalable, and cost-optimized infrastructure.
• Used Azure DevOps to automate CI/CD pipelines, and as a ticketing tool for task management, progress tracking, and cross-team collaboration.
• Regularly engaged with customers to gather requirements, document them clearly, and plan solutions aligned with business needs; created and tracked user stories in Azure AD for development and implementation.
• Worked on SaaS application tenant-wise architectures (bridge and silo models), ensuring efficient cost allocation and tracking per tenant through usage-based metering.
• Involved extensively in monitoring and observability by implementing traceability, Real User Monitoring (RUM), and Application Signaling, maintaining SLIs/SLOs using OpenTelemetry to capture and analyze performance across the frontend and backend.
• Actively monitored production alerts, investigated incidents in real time, resolved issues promptly, and provided detailed Root Cause Analysis (RCA) to prevent recurrence.
• Supported cost optimization initiatives across infrastructure and workloads, ensuring efficient resource utilization without compromising performance.
• Maintained and guided the team by assigning tasks, reviewing progress, and ensuring alignment with customer requirements and project goals.
• Leveraged Python scripts for automation and integration tasks where needed, contributing to operational efficiency.
• Played a key role in project planning, development, and deployment, ensuring delivery timelines and quality standards were met.

Project Name : Jewel Bank

Responsibilities:

• Played a key role in implementing a complete DevOps methodology from the ground up, ensuring scalable and reliable solutions.
• Managed and oversaw build activities for both Java and Mule applications, streamlining release processes.
• Designed and deployed CI/CD pipelines tailored to infrastructure and application requirements, enabling smooth code integration and automated deployments.
• Automated end-to-end infrastructure provisioning using Terraform and CloudFormation, reducing manual effort, and improving consistency.
• Architected and implemented AWS networking solutions, including Transit Gateway, VPC Peering, and VPN connectivity, to support secure multi-account and multi-region environments.
• Worked on disaster recovery (DR) setups across AWS regions, ensuring high availability and business continuity.
• Implemented advanced deployment strategies such as Blue/Green, Canary releases, and rollback mechanisms to minimize downtime and risk.
• Integrated ArgoCD for GitOps-based continuous delivery, improving deployment visibility and control.
• Involved in designing and building the entire infrastructure in AWS, along with application deployments for CI/CD using Lambda and EKS.
• Implemented security best practices with AWS Inspector and Security Hub, ensuring compliance with banking standards and industry benchmarks.
• Actively resolved security findings, maintained compliance, and supported audits for regulated environments.
• Connected with clients on a daily basis to gather requirements, understand business needs, and align solutions accordingly.
• Documented processes, infrastructure designs, and deployment strategies in Confluence to ensure knowledge sharing, and team collaboration.
• Advocated for and drove the adoption of DevOps best practices across teams, fostering a culture of automation, scalability, and observability.

Project Name : YOLO

Responsibilities:

• Created and maintained foundational images for Java applications, ensuring reliable and consistent deployments across environments.
• Orchestrated provisioning and lifecycle management of GKE clusters through Terraform, enabling scalable and efficient container management.
• Automated system upgrades and configurations using Ansible, improving stability, and reducing downtime.
• Deployed and managed WordPress instances on GCP, leveraging VM Instances, Cloud Storage, and Cloud SQL for a robust CMS setup.
• Worked extensively with GCP services, including Compute Engine (VM Instances), Cloud Storage, IAM, Cloud Monitoring/Logging, and Pub/Sub, to build secure and resilient infrastructure.
• Administered and optimized VMware-based environments alongside Linux servers, ensuring performance and availability.
• Built monitoring and visualization dashboards using Kibana to improve observability and support proactive incident response.
• Authored and optimized Jenkinsfiles for pipeline automation, maintaining and improving Jenkins-based CI/CD workflows to streamline software delivery.
• Facilitated Docker containerization and image management, enabling smooth application deployments across Kubernetes and OpenShift platforms.
• Managed Nexus Repository Manager for artifact storage, versioning, and collaboration between development and DevOps teams.

Project Name: GSK - Sep 2017 – Nov 2020

Responsibilities:

• Deployed and managed AWS infrastructure, including EC2, S3, VPC, ELB, Auto Scaling, Route 53, IAM, CloudWatch, and EBS, for high availability and cost optimization.
• Automated server configuration and application deployments using Ansible playbooks, Docker containers, and Kubernetes for scalability and efficiency.
• Created and managed custom AMIs, snapshots, and EBS volumes to support backup and recovery strategies.
• Built CI/CD pipelines with Jenkins (master-slave setup), Maven, and Nexus, automating builds, deployments, and artifact management.
• Integrated SonarQube, Grafana, and Prometheus to improve code quality, and enable proactive monitoring and observability.
• Worked with cross-functional teams to configure web/application servers (Apache, Tomcat), and support application deployments.

Project Name: Merck Group - Dec 2017 - Sep 2018

Responsibilities:

• Configured Elastic Load Balancers with health checks to distribute traffic across multiple EC2 instances in different Availability Zones, improving reliability.
• Automated build and deployment jobs in Jenkins, supporting daily and nightly builds, and managed source code in GitHub private repositories.
• Implemented backup strategies by creating EBS snapshots, custom AMIs, and S3 bucket policies for secure storage and disaster recovery.
• Supported infrastructure management by launching and configuring EC2 instances, subnets, and security groups within VPCs.