VISHNU C
*********@*****.*** 940******* LinkedIn GitHub Bengaluru, India
PROFILE SUMMARY
Adaptable and detail-oriented QA Engineer with 5+ years of experience in Quality Assurance, Identity Verification, Fraud Analysis, and Business Operations. Currently part of Yoti's Core QA Team, specializing in Manual, API, Mobile, Functional, Regression, and UAT testing for identity verification products. Experienced in defect investigation, root cause analysis, data validation, API testing, log analysis, and production release validation using TestRail, Jira, Confluence, Postman, Kibana, and OpenSearch Dashboards. Strong knowledge of SQL, Python, Agile methodologies, and identity verification systems, with additional experience in Power BI and Excel for quality reporting and KPI analysis.
PROFESSIONAL EXPERIENCE
Jr QA Engineer, Yoti Biometric Identity Pvt Ltd Sep 2024 – Present
•As part of the Core QA Team, executed end-to-end manual testing across Identity Verification products, including Functional, Regression, Smoke, Sanity, Integration, Exploratory, Mobile, UAT, and API testing. Maintained 250+ TestRail test cases, validated production releases, and verified REST API requests and JSON responses using Postman.
•Investigated defects using OpenSearch Dashboards, Kibana, JSON responses, server logs, and REST API responses to perform root cause analysis, bug investigation, data validation, and production issue analysis.
•Collaborated with Frontend, Backend, Product, BI, and UAT stakeholders through Agile ceremonies using Jira, Confluence, and Slack to perform requirement analysis, user story validation, defect triage, bug lifecycle management, and release sign-off, contributing to a 20% reduction in post-release defects. IDV Analyst L3, Yoti Biometric Identity Pvt Ltd Nov 2021 – Sep 2024
•Developed Excel dashboards and Looker reports to monitor operational KPIs and monthly error trends, uncovering root causes that contributed to a 15% reduction in recurring errors over a six-month period.
•Investigated and authenticated thousands of identity verification cases using biometric, document verification, and fraud detection techniques while maintaining an error rate below 1%, supporting secure customer onboarding and risk mitigation.
•Partnered with Design, UX, and Operations teams to evaluate investigation workflows and fraud detection patterns, contributing to a 10% reduction in false positives and improved case resolution efficiency. Business Development Associate, BYJU'S Pvt Ltd Dec 2018 – Sep 2019
•Drove business growth through strategic planning and strong client relationship management, converting approximately 25 lakhs in revenue within 10 months and earning recognition from senior leadership to mentor new business development team members.
SKILLS
Testing & QA
Manual Testing, API Testing, Regression Testing,
Functional Testing, User Acceptance Testing (UAT), Mobile Testing, Test Case Design & Execution, Defect Tracking, Test Scenario Design
Methodologies
Agile (Scrum), SDLC, STLC
Programming Languages
Python, SQL, Go (debugging)
Data Visualization
Power BI, Tableau, Looker, MS Excel ( Pivot Table, Pivot Chart, Lookup Functions, Power Query), DAX
Testing Tools
TestRail, Jira, Confluence, Postman, Doc Scan Session Tool, Debug Injector, ModHeader, VerifTool
Monitoring & Investigation
OpenSearch Dashboards, Server Log Analysis,
Kibana, Root cause analysis (RCA)
Database & Data Validation
MySQL, MongoDB, Database Validation, Data
Validation, JSON Validation
Soft Skills
Critical Thinking, Communication, Problem Solving, Collaboration, Time-Management
PROJECTS
SupeRR Rajasthan Royals - IPL Auction Strategy Nov 2025 – Dec 2025 Tools used: Power BI, SQL, Excel, DAX
•Developed a multi-page Power BI dashboard analyzing 10000+ players with 10+ KPIs (strike rate, economy, average) and dynamic filters.
•Built DAX-based scoring and comparison models, improving player evaluation efficiency by 30%.
•Designed an auction strategy addressing 6 key squad gaps, optimizing budget allocation ( 0.5– 7 Cr) and player selection.
Business Insights 360 Apr 2025 – May 2025
Tools used: Power BI, SQL, Excel, DAX Studio
•Customized a multi-functional Power BI dashboard to analyze AtliQ Hardware's global sales trends by integrating data from multiple sources, including Excel, CSV files, and a SQL database.
•Built data models and visualizations in Power BI; optimized report performance by 5% using DAX Studio.
•Delivered a sales trends dashboard for AtliQ Hardware that projected a 10% increase in revenue and a 20% reduction in datarelated expenses.
E-Commerce Product Recommender System Jul 2024 – Aug 2024 Tools used: Python, SQL, Collaborative Filtering, Content-Based Filtering, Scikit-learn
•Devised a personalized product recommendation system using collaborative filtering, content-based methods and hybrid techniques to enhance user engagement and drive sales.
•Processed and analyzed customer purchase history and browsing behavior to deliver targeted product recommendations, achieving a recommendation accuracy of 80% or higher.
•Prepared detailed documentation and structured codebase for easy implementation, supporting future scalability and integration into production systems. Superstore Sales Performance Jun 2024
Tools used: Tableau
•Implemented interactive sales dashboards in Tableau Desktop featuring key metrics such as Total Sales, Total Profit, and Sales per Customer, with dynamic filters and parameters for in-depth analysis.
•Created intuitive, user-friendly visuals with optimized legends and clear color coding, enabling stakeholders to make data-driven decisions and improving overall efficiency in sales analysis. EDUCATION
NSS College of Engineering, Kerala, India
Bachelor of Technology in Instrumentation & Control Engineering Apr 2018
University rank holder - 8.0 CGPA
COURSES
Data Scientist Bootcamp, UpGrad Jan 2024
Excel: Mother of Business Intelligence, Codebasics Jul 2024 CERTIFICATES
SupeRR Selector Hackathon - Rajasthan Royals
Top 16 finalist; recognized for data-driven analysis and strategic thinking in a competitive sports analytics challenge. Signed by Kumar Sangakkara, Director of Cricket & Head Coach. Super Recogniser by University of Greenwich
Highest scoring candidate in YOTI in the SRI Course Champion - YOTI DNA Awards