Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Nandhini Gurusamy

Ilford

Summary

Highly skilled professional with extensive expertise in machine learning models, AI model evaluation, and ML testing techniques. Proficient in data preparation, AI/ML test automation, and ETL testing, with hands-on experience in Azure Data Factory, Azure Data Lake, and Azure Databricks. Excellence at Salesforce Service Cloud and Salesforce Experience Cloud, including Apex classes, triggers, and process automation tools such as Process Builder and Flows. Strong background in manual and functional testing, test case design, regression testing, and defect reporting using JIRA and Confluence. Demonstrated ability in cross-team collaboration, quality assurance processes, and agile methodologies. Career goal: to leverage extensive technical skills and experience to drive innovation and efficiency in AI and machine learning projects.

Overview

6
6
years of professional experience
1
1
Certification

Work History

Administrator

Sangam Surgery (NHS)
London
11.2024 - Current
  • Improved record keeping system with attention to detail and thoroughness.
  • Answered inbound phone calls, resulting in excellent customer service provided to clients.
  • Compiled essential data into useful spreadsheets enhancing overall understanding of business performance.
  • Contributed towards positive work environment by maintaining cleanliness and orderliness in shared spaces.
  • Manage updates and changes to the surgery's website, ensuring it remains user-friendly and accurate.
  • Upload and maintain content (images, videos, PDFs) on the Jayex board for patient communication and information dissemination.
  • Collaborate with the healthcare team to ensure smooth patient flow and efficient administrative processes.

AI/ML Tester

Banana Apps Ltd
London
07.2023 - 10.2024
  • Company Overview: SoccerTutor.com specializes in providing Football coaches with high-quality coaching information and products: Books, eBooks, Software, Apps, DVDs, Videos, and Coaching Accessories. The platform has mobile apps to buy products, and a digital content manager app to read books online and offline, like Kindle Fire with a subscription. The admin panel is in Windows Forms, and the need for a web platform led to this project. This platform creates the opportunity for admins to manage users, content and licenses, and subscriptions on the web platform. However, this platform has features like payment, cart, and order processing, and if digital content is delivered via email. Website: http://soccertutor.com/
  • Performed end-to-end database and ETL testing across Azure Data Factory pipelines, Data Lake, and Databricks, validating data transformations, SQL queries, and integrity during migration to ensure reliable product and subscription information delivery on the SoccerTutor eCommerce platform.
  • Validated machine learning models integrated into the SoccerTutor recommendation engine by preparing diverse datasets, verifying algorithm performance, and applying neural network testing techniques to assess content relevance and personalized suggestions.
  • Designed and executed comprehensive test plans for AI-driven features, including subscription intelligence and automated license validation, leveraging AI testing standards and differentiating between conventional and AI system validation approaches.
  • Utilized AI-driven testing tools and frameworks like TensorFlow, PyTorch, and automated defect prediction systems to enhance regression test coverage, generate intelligent test cases, and streamline UI testing across web and mobile platforms.
  • SoccerTutor.com specializes in providing Football coaches with high-quality coaching information and products: Books, eBooks, Software, Apps, DVDs, Videos, and Coaching Accessories. The platform has mobile apps to buy products, and a digital content manager app to read books online and offline, like Kindle Fire with a subscription. The admin panel is in Windows Forms, and the need for a web platform led to this project. This platform creates the opportunity for admins to manage users, content and licenses, and subscriptions on the web platform. However, this platform has features like payment, cart, and order processing, and if digital content is delivered via email. Website: http://soccertutor.com/
  • Environment: Azure Data Factory, Data Lake, Databricks, SQL Server, Windows Forms, TensorFlow, PyTorch, Web & Mobile E-Commerce Platform

Manual Tester

Banana Apps Ltd
London
07.2023 - 10.2024
  • Company Overview: Duradiamond Patient Access online appointment bookings and cancellations mean less time spent on hold. Ensure patients get their regular medication when they need it with online repeat prescription ordering and automated delivery to their preferred pharmacy. Patients can view test results online, saving them from having to travel to the practice for an unnecessary appointment. Availability 24 hours a day means that patients don’t have to wait for practice opening times and can access services whenever they need. Patients can securely share their medical records – an important feature if they need care abroad, out of hours, or in an emergency situation. Shared GP record history allows patients to view an audit of where, when, and why someone has accessed their record using a data-sharing agreement. Website: https://www.duradiamondhealth.com/
  • Performed manual database and ETL testing by writing and executing basic and advanced SQL queries to validate data accuracy and consistency between different platforms in the Duradiamond Patient Portal, ensuring successful migration and integration of patient records, appointments, and prescriptions.
  • Executed manual testing on machine learning-driven features, such as prescription reminders and appointment booking recommendations, by evaluating various ML models' responses to real-world patient data, ensuring proper functionality and alignment with business requirements.
  • Conducted AI system testing for patient data sharing and security features, validating AI-driven functionalities like secure access to medical records, ensuring compliance with privacy regulations, and comparing AI testing techniques against traditional manual testing standards.
  • Tested AI/ML-based automated systems for defect prediction and optimization of patient care workflows, using manual exploratory testing to evaluate the effectiveness of AI-driven test case generation and the accuracy of system predictions for appointments and prescription deliveries.
  • Duradiamond Patient Access online appointment bookings and cancellations mean less time spent on hold. Ensure patients get their regular medication when they need it with online repeat prescription ordering and automated delivery to their preferred pharmacy. Patients can view test results online, saving them from having to travel to the practice for an unnecessary appointment. Availability 24 hours a day means that patients don’t have to wait for practice opening times and can access services whenever they need. Patients can securely share their medical records – an important feature if they need care abroad, out of hours, or in an emergency situation. Shared GP record history allows patients to view an audit of where, when, and why someone has accessed their record using a data-sharing agreement. Website: https://www.duradiamondhealth.com/
  • Environment: SQL Server, Azure Data Factory, Data Lake, PyTorch, Manual Testing Tools, Web-Based Healthcare Patient Portal

Associate Technical Engineer

Salesforce Inc
07.2022 - 05.2023
  • Adhered to standardized ticketing protocols for logging, assessing, and resolving customer-reported issues, ensuring accurate documentation and efficient follow-up actions.
  • Distinguished between enhancement requests, service-related concerns, and genuine product defects to provide tailored technical resolutions.
  • Analyzed and resolved issues stemming from custom code and client-specific Salesforce configurations through in-depth debugging and root cause analysis.
  • Delivered detailed product walkthroughs, functional demonstrations, and shared Salesforce platform best practices to educate and support users.
  • Collaborated cross-functionally with technical teams and swarm leads to guarantee timely resolution of escalated cases within defined SLAs, while contributing to internal knowledge bases for continuous improvement.
  • Environment: Salesforce Platform, Apex, Visualforce, SOQL, Workbench, Git, VS Code, Jira, Confluence, Service Cloud, Knowledge Base

Developer

Cognizant Technology Solutions
11.2019 - 05.2022
  • Designed and implemented end-to-end intelligent Web Chat solutions integrated with Omni-Channel routing, enhancing real-time customer engagement and agent productivity across Salesforce Service Cloud.
  • Customized Pre-Chat UI using Pre-Chat APIs and Aura framework, delivering a personalized and intuitive user experience aligned with business branding and functional requirements.
  • Engineered scalable Lightning Components, Apex Triggers, and modular Apex Handler classes, ensuring robust data handling, system extensibility, and streamlined backend operations.
  • Spearheaded automation modernization by migrating legacy Process Builders and Workflow Rules to advanced Flow solutions, including complex Case Escalation and Assignment Rule logic, thus improving maintainability and performance.
  • Led Experience Cloud site development from inception, architecting user-centric interfaces with custom themes, page variations, object pages, knowledge articles, and intuitive navigation to enable self-service and digital engagement.
  • Environment: Salesforce Service Cloud, Omni-Channel, Einstein Bots, Web Chat, WhatsApp Integration, Apex, Aura, Lightning Web Components, Flows, Experience Cloud, Vonage CTI, Git, Jira

Education

Bachelor of Engineering - Electronics and Instrumentation Engineering

National Engineering College
/2015 - /2019

Skills

  • Machine Learning Models
  • AI Model Evaluation
  • ML Testing Techniques
  • Data Preparation
  • AI/ML Test Automation
  • Azure Data Factory
  • Azure Data Lake
  • Azure Databricks
  • ETL Testing
  • Data Migration
  • Salesforce Service Cloud
  • Salesforce Experience Cloud
  • Apex Classes
  • Apex Triggers
  • Process Builder
  • Flows
  • Validation Rules
  • Case Management
  • Web Chat
  • Omni-Channel Routing
  • Einstein Bots
  • WhatsApp Integration
  • Vonage CTI Adapter
  • Manual Testing
  • Functional Testing
  • Test Case Design
  • Regression Testing
  • Visual Studio Code
  • Developer Console
  • Workbench
  • Postman
  • Git
  • SOQL
  • SLA Management

Certification

  • Salesforce certified Administrator
  • Salesforce certified platform developer 1
  • Salesforce-certified platform app builder
  • Salesforce certified sales cloud consultant
  • Salesforce certified service cloud consultant
  • Salesforce certified Advanced Administrator
  • Salesforce Certified Associate

Timeline

Administrator

Sangam Surgery (NHS)
11.2024 - Current

AI/ML Tester

Banana Apps Ltd
07.2023 - 10.2024

Manual Tester

Banana Apps Ltd
07.2023 - 10.2024

Associate Technical Engineer

Salesforce Inc
07.2022 - 05.2023

Developer

Cognizant Technology Solutions
11.2019 - 05.2022

Bachelor of Engineering - Electronics and Instrumentation Engineering

National Engineering College
/2015 - /2019
Nandhini Gurusamy