Vijayabhaskar Ailuri
Senior Software Engineer
Aylesbury
Summary
Certified AWS DevOps Engineer with extensive experience delivering scalable, secure, and automated infrastructure across public and private sectors. Proven track record in designing and maintaining CI/CD pipelines, automating infrastructure with Terraform, and container orchestration with Docker and Kubernetes. Adept at improving system performance, reliability, and security in high-availability environments. Passionate about cloud-native solutions, scripting, and driving DevOps culture across cross-functional teams.
Overview
19
19
years of professional experience
Work history
Senior software engineer- DevOps
Mastercard
London
04.2020 - 05.2025
- Automated end-to-end infrastructure provisioning using CI/CD pipelines in Jenkins.
- Automated AppDynamics dashboard and health rule creation across multiple projects.
- Streamlined monitoring of critical system resources (CPU, memory, threads) and JVM heap via AppDynamics.
- Automated the installation and configuration of AppDynamics agents on Apache Tomcat servers in all environments.
- AppDynamics for real-time alerting on threshold breaches.
- Built automation for AppDynamics machine agent setup using AWS ECS with Docker, enabling infrastructure metric collection and alerting.
- Developed and maintained CI/CD pipelines for infrastructure and application deployment using Groovy and Shell scripts.
- Implemented AWS infrastructure provisioning via CloudFormation, Python, and Shell scripts through Jenkins.
- Played a key role in migrating applications from ECS to Fargate, reducing operational overhead and enhancing security posture.
- Authored solution design documentation and led implementation of ECS to AWS Fargate migration.
- Consolidated shared services into a unified platform, cutting environment provisioning time by 70%.
- Built infrastructure with AWS services such as ECS, EC2, ELB, API Gateway, Route 53, CloudFront, SNS, SES, Lambda, all managed through IaC (CloudFormation + Python).
- Collaborated with developers and QA teams to ensure smooth, high-quality deployments.
- Supported and maintained AWS infrastructure and application team environments.
- Deployed and troubleshot open-source technologies including Tomcat, and Docker.
Senior software engineer
Mastercard
Rickmansworth, Hertfordshire
04.2015 - 04.2020
- Achieved a 20% reduction in product resource usage through strategic capacity planning and performance optimization for Immediate Payment Systems (IPS).
- Designed, developed, and maintained automated performance test scripts using JMeter, with GitHub for version control and team collaboration.
- Identified and resolved performance bottlenecks by analyzing Grafana metrics, application logs, and database performance reports, ensuring alignment with test outcomes.
- Collaborated with cross-functional teams to investigate and resolve performance issues, enhancing system reliability and efficiency in IPS applications.
- Mentored junior team members by providing guidance on environment setup, maintenance, and performance engineering best practices.
- Delivered actionable performance and stability recommendations, supporting ongoing product quality improvements.
- Developed and executed automated functional tests using the Playwright framework to ensure feature stability and responsiveness.
Performance Test Analyst
BT
Wolverhampton
06.2011 - 03.2015
- Developed and maintained automated performance test scripts using JMeter, with GitHub for version control and team collaboration.
- Identified and resolved performance bottlenecks by analyzing system metrics in Grafana, reviewing application logs, and interpreting database performance reports.
- Collaborated with cross-functional teams to address performance issues in NHS applications ensuring optimal system stability and responsiveness.
- Mentored junior team members by providing guidance on environment setup, maintenance, and performance testing best practices.
- Delivered data-driven performance and stability recommendations, contributing to the continuous improvement of product quality and reliability.
- Developed comprehensive test suites based on non-functional requirements to assess system performance and reliability.
- Assisted in setting up a dedicated performance testing environment, aligning both software and hardware configurations with production standards.
- Designed, implemented, and executed capacity planning tests to evaluate scalability and optimize resource utilization.
- Created realistic workload models to simulate actual user behaviour based on production usage patterns.
- Conducted various performance tests including stress, load, and soak testing to analyze system behaviour under different load conditions and identify bottlenecks.
- Continuously monitored server-side metrics during test execution to detect performance issues and support root cause analysis.
Sr. Technical Associate
Tech Mahindra
Pune, India
11.2006 - 03.2011
- Analyzed Change Requests (CRs) by reviewing High-Level Design and Requirements documents to ensure comprehensive test coverage.
- Developed detailed test plans outlining scope, strategy, and objectives aligned with project goals.
- Prepared Entry Quality Gate documentation to confirm readiness for subsequent testing phases.
- Documented test execution results in structured reports, clearly highlighting defects, trends, and key observations.
- Logged and tracked issues using HP Quality Center (QC) to facilitate timely defect resolution.
- Conducted stakeholder review sessions to present final test outcomes and discuss performance-related concerns.
- Maintained a robust traceability matrix, executed test cases, and monitored defect life cycles to ensure end-to-end test coverage and quality assurance.
Education
Master of Computer Applications -
Madras University
IndiaSkills
Cloud Platforms:
- AWS (EC2, S3, IAM, VPC, CloudFormation, EKS, ECS)
Infrastructure as Code (IaC):
- Terraform, CloudFormation, Ansible
CI/CD Tools:
- Jenkins, GitLab CI, Bitbucket Pipelines, AWS CodePipeline
Containers & Orchestration:
- Docker, Kubernetes, EKS, ECS
Scripting Languages:
- Python, Bash, Shell Scripting
Monitoring & Logging:
- CloudWatch, Prometheus, ELK Stack
Security & Compliance:
- IAM, KMS, VPC Security, Encryption at Rest/In-Transit
Operating Systems:
- UNIX, Linux (Ubuntu, CentOS), Windows Server
Version Control:
- Git (GitHub, GitLab, Bitbucket)
Project & Issue Tracking:
- JIRA
Timeline
Senior software engineer- DevOps
Mastercard
04.2020 - 05.2025
Senior software engineer
Mastercard
04.2015 - 04.2020
Performance Test Analyst
BT
06.2011 - 03.2015
Sr. Technical Associate
Tech Mahindra
11.2006 - 03.2011
Master of Computer Applications -
Madras University
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