Nabanjan Das – Lead QA Automation Engineer | SDET Architect | QE Leader – [Skills- Playwright,Python, Appium, Cypress] – 13+ years Exp
**Nabanjan Das – Lead QA Automation Engineer | SDET Architect | QE Leader – [Skills- Playwright,Python, Appium, Cypress] – 13+ years Exp**
**Consultant's Details:**
**Consultant Name: Nabanjan Das**
**Visa: Green Card**
**Employer Details:**
**Employer:** Nextgen Technologies Inc
**Contact Person:** Kushal
**Email:**kushal.desai@nextgentechinc.com
**Note: Please call between 09:30 AM PST to 06:00 PM PST**
**Phone: +1 (**413) 424-0484
**Nabanjan's Resume**
**PROFESSIONAL SUMMARY**
* Lead QA Automation Engineer with 13+ years of experience delivering scalable test solutions across FinTech, E-commerce, and cloud platforms
* Specialized in building end-to-end automation frameworks (UI, API, performance) and integrating them into CI/CD pipelines.
* Strong programming background in Python, Java, JavaScript/TypeScript, Go, and Scala
* Extensive experience integrating automation into CI/CD pipelines (Jenkins) to support continuous delivery
* Led distributed QA teams (onshore and offshore), driving quality initiatives and release execution
* Experienced in designing test strategies, improving automation coverage, and stabilizing large test suites
* Worked on performance and load testing using Gatling and JMeter in high-scale environments
* Familiar with cloud platforms (AWS, GCP) and containerized environments (Docker, Kubernetes)
* Comfortable working in Agile environments and collaborating with cross-functional teams
* Consistently focused on improving release quality, reducing manual effort, and speeding up delivery cycles
**CORE SKILLS**
Languages: Python, Java, Go, Scala, C#, JavaScript, TypeScript
Automation: Playwright, Cypress, Selenium, Appium, WebdriverIO
API Testing: Rest Assured, Postman, PyTest, Django
Performance: Gatling, JMeter
Frameworks: BDD, Cucumber, TestNG, JUnit
Cloud/DevOps: AWS (EC2, S3), GCP, Docker, Kubernetes, Jenkins
Databases: PostgreSQL, MySQL, Oracle
Tools: Jira, Zephyr, Git, Kibana, Grafana, Wireshark
**PROFESSIONAL EXPERIENCE**
**Mastercard, Inc. – O’Fallon, MO**
**Lead Software QA Consultant May 2025 – Present**
* Led QA efforts across distributed teams (onshore/offshore), improving release coordination and delivery efficiency
* Owned QA for the Stand-In transaction processing system, ensuring uninterrupted payment processing during issuer downtime
* Built a Playwright-based UI automation framework enabling parallel execution across browsers, reducing regression time by ~40%
* Developed backend API automation using Java and Spring Boot to improve service-level coverage
* Integrated automated tests into Jenkins pipelines to support continuous validation
* Worked closely with development teams in Agile cycles to ensure timely delivery
* Coordinated work across onshore and offshore QA teams for releases
**Technologies:** Java, Spring Boot, Playwright, Cypress, JavaScript, TypeScript, Jenkins, Postman, PostgreSQL, Oracle, BDD, Cucumber
**CarParts.com – Livermore, CA**
**Lead Software QA Consultant Feb 2024 – Mar 2025**
* Supported QA for a large-scale e-commerce platform rebuild
* Migrated UI automation to Playwright and Cypress, improving test execution speed and reducing flaky tests
* Designed and implemented an automation framework using Java, Selenium, and TestNG
* Built reusable, data-driven testing components to simplify regression coverage
* Worked on API validation and integrated tests into CI/CD workflows
* Ensured browser compatibility across multiple environments using Selenium Grid
* Reduced regression cycle time by improving automation coverage and stability
**Technologies:** Java, Selenium, TestNG, Playwright, Cypress, JavaScript, Jenkins, Postman, Jira
**Topcon – Livermore, CA**
**Lead Software QA Consultant Jun 2023 – Jan 2024**
* Led QA and automation for embedded positioning systems and related applications
* Built Python and shell-based scripts to support deployment and testing workflows
* Developed UI automation using Selenium and later migrated parts of the framework to Cypress
* Implemented proxy-based solutions to enable UI testing without backend dependencies
* Integrated automation into CI/CD pipelines to streamline releases
* Assisted in debugging issues within embedded C/C++ components
**Technologies:** Python, Shell scripting, Java, Selenium, Cypress, AWS EC2, Django, Jenkins, C/C++, CMake, Wireshark
**Meta – Menlo Park, CA**
**Software Consultant** **Jan 2023 – May 2023**
* Developed internal tools using Python and shell scripting to support operational workflows
* Automated UI testing for dashboards used by the Operational Data Store team
* Helped improve efficiency in data validation and reporting processes
**Technologies:** Python, Java, Selenium, Bash, JUnit
**Grid Dynamics (Apple Client) – San Ramon, CA**
**Staff Test Automation Engineer (Lead)** **Sep 2021 – Sep 2022**
* Mentored engineers, conducted code reviews, and drove adoption of standardized automation practices across teams
* Built frameworks for end-to-end testing, including performance testing using Gatling (Scala) and Go
* Designed automation architecture across multiple projects supporting UI, API, and performance testing at scale
* Developed test suites using Selenium, Rest Assured, and BDD tools
* Deployed test environments on AWS (EC2, S3)
* Improved test execution efficiency and scalability across multiple projects
**Technologies:** Java, Scala, Go, Selenium, Cypress, Rest Assured, TestNG, JUnit, Gatling, AWS, Docker, Kubernetes
**Equinix- Sunnyvale, CA**
**Staff Software Quality Engineer (Lead) Jul 2020 – Jul 2021**
* Led QA automation efforts for Cloud Exchange Fabric rollout
* Built and maintained scalable UI and API automation frameworks
* Worked within AWS-based environments to support testing at scale
* Participated in planning, backlog refinement, and sprint execution
**Technologies:** Java, Selenium, Cypress, BDD, Cucumber, AWS, Docker, Kubernetes
**Egnyte- Mountain View, CA**
**Staff Software Quality Engineer (Lead)** **Apr 2019 – June 2020**
* Worked on Smart Cache product to improve enterprise file synchronization performance
* Enhanced system performance visibility through monitoring and automation
* Built end-to-end automation for both web and desktop applications
* Designed performance testing solutions using JMeter
* Used Grafana and Kibana for monitoring and debugging
**Technologies:** Python, Go, Docker, Kubernetes, JMeter, AWS, GCP, Grafana, Kibana
**Conviva – Foster City, CA**
**Senior Test Automation Engineer Jun 2017 – Feb 2019**
* Developed scalable automation frameworks using Python and Java
* Automated both UI and API testing workflows
* Contributed to backend scalability improvements using distributed architecture
**Technologies:** Python, Django, Java, Selenium, AWS EC2/S3, Kubernetes, Jenkins
**Walmart Labs- Sunnyvale, CA**
**Senior Automation Engineer (Lead) Feb 2017 – May 2017**
* Worked on automation for payment systems (Wangea platform)
* Built test cases and automation using Java and Selenium
**GE Digital –****San Ramon, CA**
**Senior Automation Engineer (Lead) Jun 2016 – Jan 2017**
* Developed automation frameworks for IoT platform (Predix)
* Used Selenium with Protractor and BDD (Cucumber) for end-to-end testing
**Technologies: Java, Selenium, Protractor, Cucumber, Maven**
**Instart Logic – Palo Alto, CA**
**Member of Technical Staff Apr 2014 – Apr 2016**
* Worked on performance optimization systems for enterprise web applications
* Developed automation frameworks using Java, JavaScript, and Node.js
* Built CI/CD pipelines using Jenkins and Docker
* Implemented browser and mobile automation using Selenium and Appium
* Contributed to backend and proxy-based systems for improving page load performance
**Technologies:** Java, Selenium, Appium, Node.js, JavaScript, TypeScript, Docker, Jenkins, Python
**Riverbed Technology – San Francisco, CA**
**Member of Technical Staff Apr 2012 – Apr 2014**
* Built end-to-end automation infrastructure using C# and Selenium
* Worked on performance and robustness testing for web optimization products
* Designed tools to run large-scale automated testing across thousands of websites
* Contributed to backend API validation and system-level testing
**Technologies:** C#, C++, Selenium, Bash, Pycurl
**EDUCATION**
M.S. Computer Engineering
Santa Clara University (GPA: 3.8)
B.S. Computer Science & Engineering
IIT Kanpur
**AWARDS & PATENTS**
* Patent: Method for facilitating cell placement in IC design
* TCS Best Project Award
* SUN Microsystems ATTA Award
**Note: Please call between 09:30 AM PST to 06:00 PM PST**
Kushal
| 1735 N 1St ST., Suite 308 |San Jose, CA 95112
**NextGen Technologies Inc**
Email: kushal.desai@nextgentechinc.com. Website: www.nextgentechinc.com | +1 (413) 424-0484 |
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Nabanjan_Resume_2026.docx
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Nabanjan Das – Lead QA Automation Engineer | SDET Architect | QE Leader – [Skills- Playwright,Python, Appium, Cypress] – 13+ years Exp Nabanjan Das – Lead QA Automation Engineer | SDET ...
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