Mar 2023 – Mar 2025 · 2 yrs · Stockholm County, Sweden · Hybrid

• Ensuring system scalability, reliability, and performance through a blend of proactive monitoring, tuning, and testing of a leading European online gambling company. My responsibilities include conducting load and stress testing using tools like Gatling, while leveraging Grafana, Instana, Splunk, and Loki for real-time monitoring, performance insights, and detailed diagnostics. I work extensively with Kubernetes to optimize container orchestration and resource allocation, ensuring efficient scaling and high availability. Additionally, I fine-tune Linux servers and MySQL databases, addressing bottlenecks in CPU, memory, and I/O.

Nov 2022 – Mar 2023 · 4 mos · Noida, Uttar Pradesh, India · Remote

• Led performance testing efforts of a US based fintech product to ensure system robustness and efficiency. I utilized tools like JMeter for comprehensive load and performance testing, while monitoring and analyzing results using Datadog to identify bottlenecks and optimize system performance. I worked extensively with Kubernetes to manage and scale containerized applications, ensuring optimal performance under varied conditions. I also focused on Linux server performance tuning and database optimization, specifically with MySQL, to resolve resource-intensive issues.
• My role involved implementing Agile methodologies, coordinating across teams to develop thorough test plans, and integrating performance tests within the Jenkins CI/CD pipeline for continuous performance validation. With programming skills in Python and Java, I developed custom scripts and tools to automate and enhance the testing process, ensuring reliable and efficient system performance across deployments.

Sep 2020 – Nov 2022 · 2 yrs 2 mos · Noida, Uttar Pradesh, India · Remote

• Led a team of performance engineers, driving initiatives to enhance efficiency, scalability and reliability of a US based health domain product. My role involved designing and executing load tests using JMeter, while employing Dynatrace and New Relic for in-depth performance monitoring and bottleneck identification. I emphasized collaboration through Agile methodologies, ensuring seamless communication within the team.
• My technical expertise extended to Kubernetes for managing containerized applications, as well as Linux and MySQL for performance tuning. By integrating performance testing into the Jenkins CI/CD pipeline, I automated validation processes, contributing to continuous improvement and maintaining high standards of system performance.

Feb 2020 – Sep 2020 · 7 mos · Noida, Uttar Pradesh · Remote

• Lead for an offshore team supporting UK based client 'Mastercard', I was responsible for delivering comprehensive performance solutions across web and API services. My key focus was working with JMeter 4.0, utilizing my expertise in scripting for HTTP/HTML and Web Services to ensure robust, reliable testing environments. I specialized in performance testing for REST and Web Services, with a deep understanding of designing, executing, and monitoring load, stress, and endurance tests for both web applications and services.
• To diagnose performance issues, I leveraged tools like Dynatrace, Perfmon, NewRelic, and Google Analytics to identify bottlenecks, such as slow calls, CPU, and memory usage. I also designed workload models simulating production behavior to validate system performance under real-world conditions. By integrating performance engineering processes into the CI/CD pipeline, I automated testing, ensuring continuous performance validation and efficiency improvements across deployments.

Apr 2019 – Feb 2020 · 10 mos · On-site

• I have further honed my skills in performance testing with a strong focus on JMeter and basic proficiency in Gatling. I lead performance testing initiatives for web and mobile applications, including iOS and Android.
• In an Agile environment, I collaborate closely with developers and engage with clients to create comprehensive test plans. My expertise in Dynatrace and Google Analytics allows for effective performance monitoring and analysis. I design and update performance scripts, execute thorough test runs, and provide detailed results to stakeholders. Additionally, I hold a B1/B2 USA Visa, enabling on-site collaboration with U.S.-based clients and teams.

Apr 2017 – Mar 2019 · 1 yr 11 mos · On-site

• I have advanced my skills in performance testing with a focus on JMeter and foundational knowledge of Gatling. I lead load and stress testing for web and mobile applications, ensuring optimal performance across platforms like iOS and Android.
• I work within an Agile framework, collaborating closely with development teams and engaging directly with clients to create detailed test plans. My expertise in Dynatrace and Google Analytics allows for effective monitoring and analysis of application performance. I design and update performance scripts, execute rigorous test runs, and provide insightful results to stakeholders, driving continuous improvement in system performance. Additionally, I manage test case estimations to optimize resource allocation and ensure timely project delivery.

Jul 2014 – Mar 2017 · 2 yrs 8 mos · On-site

• I specialized in performance testing using JMeter and developed foundational skills with Gatling. My responsibilities included executing comprehensive functional testing, including smoke, regression, and integration tests, while also focusing on mobile testing across platforms such as iOS and Android devices.
• I operated within an Agile framework, collaborating closely with development teams to ensure integration of testing efforts. My role involved preparing detailed test plans and scenarios, and conducting client interactions to align on testing objectives. I utilized JIRA for efficient bug tracking and Google Analytics to analyze production logs, enabling informed decision-making.
• For performance monitoring, I leveraged Dynatrace to assess server node performance and application health. I designed and executed load testing scripts in JMeter and Gatling, continuously updating them with each new build. I also performed data preparation for test execution, analyzing load test results and delivering detailed performance insights to stakeholders. Additionally, I effectively estimated testing efforts and timelines to optimize project planning.