Sonika Gupta

Performance Engineering professional with 9.5+ years of experience in end-to-end performance testing, engineering, and observability across large-scale enterprise applications. Proven expertise in load, stress, endurance, and volume testing, capacity planning, monitoring, and performance optimization. Strong background in telecom, logistics, and healthcare domains, with hands-on experience in cloud (AWS), APM tools, and data-driven performance analysis.

Recognized for leading projects independently, delivering results on time, and collaborating effectively with cross-functional teams.

Lead Performance Engineer at ZS Associates (2021-11 – Present)

Clients: Amgen, AbbVie, Lilly, Janssen, Novartis. Team Size: 7

• Created pipeline using Jmeter, GITLab, Jenkins, Influx DB and Grafana.
• Lead performance engineering initiatives for multiple global healthcare clients, delivering projects on time and within SLA.
• Designed and executed data-driven volume and scalability tests to predict future growth and capacity requirements.
• Built real-time performance dashboards using Grafana and InfluxDB for live execution and analysis visibility.
• Performed deployment validation and post-release performance assurance.
• Mentored junior team members and reviewed scripts, scenarios, and analysis reports.
• Collaborated with Dev, Infra, and Architecture teams to identify and resolve performance bottlenecks early in SDLC.

Senior Performance Test Engineer at Amdocs Development Center (2019-11 – 2021-10)

Projects: OPTUS (Australia), Vodafone (Italy). Team Size: 4

• Developed and executed performance test scripts for CRM, OMS, Digital applications, and Web Services.
• Designed complex test scenarios and managed executions using LoadRunner Performance Center.
• Implemented BI and Tibco Spotfire performance testing using TruClient.
• Conducted deep-dive analysis using SQL, Grafana, AppDynamics, and Dynatrace.
• Identified memory leaks through heap and memory dump analysis using JVisualVM and MAT.
• Scaled AWS infrastructure and monitored system health using CloudWatch.
• Delivered a Splunk POC, conducted demos, and enabled teams with actionable performance insights.
• Automated batch executions and improved efficiency using shell scripts.

Associate Consultant at Syntel Ltd. (2015-11 – 2019-10)

Client: FedEx Corporation, USA. Project: FedEx SmartPost (Logistics & Transportation). Team Size: 11

• Led performance testing activities for high-volume logistics systems handling millions of shipments.
• Designed performance test strategies, test plans, and workload models.
• Developed scripts using HTTP, SOAP, REST, JMS, and TruClient protocols.
• Executed large-scale load and stress tests and performed detailed analysis to identify bottlenecks.
• Provided US time-zone client support and led daily status and stakeholder calls.
• Collaborated closely with onsite coordinators and business teams to align performance goals.
• Recognized for handling projects independently and delivering consistent results.

B.Tech in Computer Science Engineering – SRMCEM (2015)