Dinesh Raja Radhakrishnan

• Managed & mentored a team of 5-7 members for efficient delivery
• Requirement gathering session with stakeholders to understand the application design & architecture to risk assess performance impact
• Obtain production peak traffic statistics & calculate futuristic projections to define and establish Performance NFRs, test environment variables, testing strategies and work load models
• Prepare cost-effort estimation as per identified test scope, followed by allocation of respective FTEs
• Build complex scripts (Hybrid App via Network Proxy recording) & scenarios to simulate prod user behavior for various channel streams & architecture stacks
• Setting up Service Virtualization to mock request response behavior of 3rd party systems for write ops
• Analyze application server logs (Kibana), GC Behavior (NewRelic) and monitor data logging at each components using HP Diag, Splunk, AppDynamics, SiteSpeed and visualize real time results via Grafana to identify performance bottlenecks and to suggest tuning
• Collaborate with cross functional teams - Dev, Infra, TechOps, Network & Security, Business & Product Management to track the identified issues to closure via JIRA & reporting via Confluence
• Perform Client Side profiling via Sitespeed for web apps
• Delivered 300+ Production LTs(Spike, Failover, MultiDC) with max 100k Virtual users to simulate 250k TPM
• Delivered CI/CD Integrations for AWS Load Generator Spin up, automating result analysis and open-source integration for data visualization & reporting via Jenkins & Ansible playbooks
• Recompiled Jmeter source code to integrate with in-house dashboards & reporting tools created via ReactJS UI & Python APIs
• Adequate knowledge in AWS, Kubernetes & Docker to efficiently understand and handle the application architecture & to cater the technological demands

• Handled the transformation of Customer Sales and Servicing Application via Bank Branch & Telephony Colleagues from Legacy Monolithic Architecture to Digital Microservices Architecture
• Managed 4 member team to gather NFRs from stakeholders, derive production metrics from Business, strategize work load model for scaled down Non-Prod infrastructure
• Created Web HTTP/HTML, WebServices, TruClient scripts via LoadRunner, Executed Load & Soak Tests via Performance Center, Monitored Infra Tiers with HP Diag, LogLogic, Splunk, Putty, TeamQuest, Perfmon counters
• Identified issues were tracked in HP Quality Center and reported via Proprietary Documentation formats
• Checkpoint calls, Defect Triage calls & war room calls were organized to track issues to closure with Dev Team
• Client side profiling via AppDynamics for Web Apps

Lloyds Banking Group UK Offshore (NFT Test Lead):

• Handled the Customer Authenticated Digital Web/Mobile Banking, Public Site Redesign, Digital Infrastructure Transformation 2.0, Monthly Business Release Regression, Platform Evolution & Shared Components Infrastructure Testing
• Managed 8-10 member team to drive independently through Design Build Test Report phases of NFT for respective features
• Client side profiling via AppDynamics for Web & Native applications to identify lazy loads, improper js execution, unorganized html tags

Lloyds Banking Group UK London (NFT Mobile Perf Engineer):

• Defined Client Side Performance SLAs {Response Time, CPU, Memory, Battery} & testing approach based on IPA/APK architecture & app design to benchmark the performance
• Compile tester build with IOS & Android IDEs to identify latency on various layers of client architecture from IDE console logs, network level sniffed data, and server logs. Compile debug build to capture the resource vital utilization via IDE instrument utilities
• Identify the packaged & unpackaged size limits and tracking its memory footprint
• Performed Accessibility Testing to ensure applications are within WCAG standards/compliance. Analyzed web html code to root-cause interface level issues to identify appropriate fixes