YUB UDDIN
Senior Software Development Engineer in Test (SDET) Quality Assurance Engineer Test Automation Engineer AI & RAG Testing ********@*****.*** US Citizen 913-***-**** Olathe, KS
https://linkedin.com/in/yub32484 https://github.com/Uddin32484 https://yubs-profile.vercel.app/
Professional Summary
Senior Software Development Engineer in Test (SDET) with 13+ years of hands-on experience designing, building, and executing comprehensive manual and automated testing strategies across Telecommunications, Financial Services, and Healthcare. Expert in both detailed manual test planning and enterprise automation frameworks, reducing manual testing effort by 85% and accelerating release cycles by 60% in Agile and DevOps environments. Proven expertise spans the full testing spectrum—from exploratory and functional manual testing to advanced UI, API, mobile, and backend automation using Selenium,
Cypress, Playwright, Tosca, UiPath, and UFT. Deep experience validating mission-critical systems including telecom retail platforms, secure payment processing, and Treasury systems, with strong focus on test case design, defect analysis, and seamless CI/CD integration via Jenkins, GitHub Actions, AWS DevOps, and Azure DevOps. Specialized in AI-enabled quality engineering, including RAG application testing and LLM/ML model validation using OpenAI APIs, Hugging Face, and Healenium. Recognized for mentoring QA teams and delivering high-impact solutions to Fortune 500 enterprises including T-Mobile and Federal Reserve Bank.
Skills
Programming Languages: Java, Python, JavaScript, TypeScript, Swift, VBScript
Testing Frameworks and Tools : Selenium WebDriver, WebdriverIO, Cypress, Playwright, Tosca, UFT, UiPath, Cucumber, TestNG, JUnit, Page Object Model (POM), BDD, Data-Driven Testing, Keyword-Driven, Hybrid Frameworks
API Testing: Postman, Newman, SoapUI, Bruno, RestAssured, Swagger, REST API, SOAP, GraphQL
CI/CD & DevOps: Jenkins, GitHub Actions, GitLab CI/CD, AWS DevOps, Azure DevOps, Bamboo, Docker, Pipeline Automation
Mobile Testing: Appium, XCUITest, iOS & Android Testing, Cross-Platform Automation
Performance Testing: JMeter, LoadRunner, Load Testing, Performance Testing
Databases: Oracle, MySQL, PostgreSQL, DB2, SQL Server, MongoDB, Amazon RDS
Web Technologies: React, Angular, Spring Boot, Next.js, HTML, CSS, XML, JSON
AI/ML Testing: RAG Testing, LLM Validation, DeepEval, RAGAS, Vector Databases, OpenAI APIs, Hugging Face, Healenium, Self-Healing Automation.
Monitoring & Analytics: Splunk, AppDynamics, Grafana, Quantum Metrics
Cloud & Testing Environments: AWS, Azure, Sauce Labs, BrowserStack, LambdaTest, Docker
Version Control & Build Tools: Git, SVN, Maven, Gradle
Management Tools: JIRA, ALM Testing Methodologies:
Manual Testing, Functional Testing, Regression Testing, Integration Testing, UAT, Smoke Testing, Sanity Testing, Black Box Testing, White Box Testing, Security Testing, Accessibility Testing, Section 508 Compliance, Shift-Left Testing, TDD Agile & Project Management: Agile, Scrum, Kanban, DevOps.
Professional Experience
T-Mobile US, Inc, Kansas City, USA Senior Software Developer in Test (SDET) / Quality Assurance Engineer January 2019 – Present
•Architected and implemented scalable automation frameworks using Selenium WebDriver, WebDriver IO Playwright, Tosca, UFT, and Cypress, integrated with Cucumber, Java, JavaScript, Python deployed Test Grid solutions (Selenium Grid, Browser Stack) for parallel cross-browser execution, reducing manual testing by 75%.
•Built API testing framework for REST, Simple Object Access Protocol (SOAP), and GraphQL with Postman, Newman, Bruno and Rest-Assured to improve reliability and execution speed, cutting regression testing cycles by 85%.
•Collaborated on processes involving seamless swapping between eSIM and physical SIM (pSIM), including number porting, ensuring robust validation and optimized connectivity workflows. Integrated automated test suites into CI/CD pipelines (Jenkins, AWS DevOps, Azure DevOps, GitHub Actions, GitLab CI/CD) for continuous testing and faster releases accelerating deployments by 60%.
•Collaborated with front-end teams to validate applications built with Angular, React and Spring Boot Java, JavaScript, TypeScript, Python HTML, CSS, TailwindCSS, improving system reliability by 35% and ensuring seamless end-to-end integration.
•Leveraged AI and large language models (LLMs) for requirement analysis, automated test documentation, test case generation, and defect prediction using historical data; implemented self-healing automation (MCP server, OpenAI APIs, Hugging Face, Healenium), reducing test flakiness by 85%, increasing defect detection by 45%, and accelerating release readiness for critical services.
•Validated RAG applications by leveraging DeepEval and RAGAS frameworks with vector databases to ensure accuracy and production-grade quality.
•Utilized monitoring and analytics platforms including Splunk, AppDynamics, Quantum Metrics, and Clearwater to proactively identify performance bottlenecks, optimize system reliability, and enhance app observability.
•Designed and executed iOS and Android mobile automation using XCUITest, Appium, and cross-platform tools.
Mentored and guided junior testers in manual testing, automation best practices, and code review processes; conducted comprehensive manual, smoke, sanity, functional, regression, and integration testing throughout the SDLC, boosting team productivity by 45%.
Federal Reserve Bank of Kansas City, Kansas City, USA Sr Software Developer Test Automation / Quality Assurance Engineer January 2015 – December 2018
Automated secure payment and Treasury systems with 85% test coverage, ensuring regulatory compliance and reducing maintenance effort by 40%.
Built advanced frameworks using Selenium, UFT, Apache POI, and Appium, improving mobile test reliability by 35% and streamlining IBM mainframe testing.
Integrated REST/SOAP API testing into CI/CD pipelines (Jenkins, GitLab), accelerating regression cycles and enhancing system reliability.
Implemented BDD frameworks and real-time dashboards, improving test efficiency and stakeholder transparency.
Led defect management and Section 508 accessibility testing, reducing resolution time by 30%.
Mentored QA engineers and drove agile practices, increasing team productivity by 45%.
Hewlett Packard, HP, Herndon, USA Software Test Engineer / Quality Assurance Engineer January 2012 – December 2014
Designed automated regression test suites using Selenium WebDriver, Java, TestNG, Maven, Jenkins.
Implemented Page Object Model frameworks for test maintainability and reusability.
Automated batch and legacy system testing using UFT and IBM mainframe terminal emulator.
Developed Perl scripts for log analysis, test data generation, and API validation.
Executed black box and white box testing methodologies to validate software quality.
Education
-Bachelor of Science, Airframe & Powerplant Engineering – Vaughn College of Aeronautics and Technology, Flushing, NY (2006)
-Bachelor of Computer Science, Computer Science – Premier University, NY (2003)
-MCSC-Web Development - CIW Foundation, Information Technology -- Computer Career Center, NY (1999)
Certification
-ASTQB Certified Tester Foundation Level (CTFL)
Technical Proficiencies
Test Automation & Frameworks CI/CD & DevOps
Selenium WebDriver, WebdriverIO, Cypress, Playwright, Tosca, UFT, UiPath, Cucumber, POM, BDD, Data-Driven, Keyword-Driven, Hybrid Frameworks Jenkins, GitHub Actions, GitLab CI/CD, AWS DevOps, Azure DevOps, Bamboo, Docker, Pipeline Automation
API & Performance Testing Database Validation
Postman, Newman, SoapUI, Bruno, RestAssured, Swagger, REST API, SOAP, GraphQL JMeter, LoadRunner Oracle, MySQL, PostgreSQL, SQL
Server, MongoDB, IBM DB2, Amazon RDS
Mobile & Web Technologies
Appium, XCUITest React, Angular, Spring Boot, Next.js iOS & Android Testing, Cross-Platform AutomationProgramming
Java, Python, JavaScript, TypeScript, Swift, VBScript
AI & Advanced Testing
RAG Testing, LLM Validation, DeepEval, RAGAS, Vector Databases, Healenium, Self-Healing Automation, OpenAI APIs, Hugging Face
Testing Methodologies & Agile
Manual, Functional, Regression, Integration, UAT, Smoke, Sanity, Black Box, White Box, Security, Accessibility (Section 508) Agile, Scrum, Kanban, DevOps, Shift-Left, TDD
Monitoring & Analytics
Splunk, AppDynamics, Grafana, Quantum Metrics, Clearwater