TAPAS KUMAR SARKAR

Endorse - Solution test framework

• Led the development of a comprehensive system for testing and validating 5G core network products (SMF, UPF) within AKS clusters on Microsoft Azure
• Spearheaded the development of user-friendly and visually appealing front-end interfaces using HTML, CSS, and JavaScript.
• Engineered backend utilizing Python and MySQL, while implementing RESTful APIs.
• Simulated 3GPP call flows and data scenarios using in-house tools for comprehensive testing
• Designed and implemented advanced Python-based test suites for cloud-native applications in Kubernetes clusters
• Automated extensive test scenarios to validate reliability and performance
• Simulated stress conditions and conducted resiliency testing to evaluate application behavior
• Deployed and managed Azure Kubernetes Service (AKS) to ensure project availability and scalability.
• Collaborated with development, QA, and network teams to achieve comprehensive test coverage and efficient issue resolution.
• Authored technical documentation and conducted training sessions for improved TTCs.
• Led TCL-based Regression Automation Framework for ePDG/TWAG regression and new feature validation

Test Management Tool (Axiom)

• Supervised and enhanced Axiom, an in-house test management tool that presents a comprehensive dashboard showcasing test case execution results.
• Enhanced test case selection framework to enable teams to choose specific cases from a customized set based on their requirements.
• Streamlined data analysis and reporting processes by designing and implementing a module that enables convenient downloading of reports in Excel format using Python.
• Led Automation team, monitored project progress, ensured quality standards, and fostered cross-functional collaboration
• Project Management activities involve, Project scoping, resource planning, risk management and project execution
• Managed problems reported by tool users, conducted thorough root cause analysis, and provided timely resolutions to ensure uninterrupted operations.
• Regularly updated QIPL and SD leads on tools status, delivering weekly reports followed by comprehensive discussions with cross functional teams about FRs and issues

Automation Framework Development for RAN Products (Team Lead)

• Led automation engineers in developing RAN product validation framework.
• Designed comprehensive framework for functional and performance validation.
• Automated sanity tests to ensure basic functionality after every new build release.
• Managed pre-specified test cases, ensuring comprehensive coverage of product features and functionalities.
• Implemented automated reporting functionalities to generate detailed test reports upon completion of test cases.
• Developed intuitive and user-friendly frontend interfaces for the automation framework using HTML, CSS, and JavaScript.
• Developed backend functionalities in Python for efficient data processing and seamless interaction with the test environment.
• Streamlined integration efforts by collaborating with developers, QA engineers, and product managers.
• Enhanced the framework by incorporating feedback and adapting to changing product needs, resulting in improved test efficiency and accuracy.
• Provided guidance and mentoring to the automation team, fostering a culture of innovation and excellence in team leadership.

• Key contributor to automation project success within Agile framework of product development methodology
• Facilitated project planning and review meetings to ensure efficient communication and clear objectives for new feature development.
• Analyzed requirements and reviewed new feature enhancements
• Enhanced features and facilitated Proof of Concept for new idea implementation

• Led team of Associate Software Engineers, Software Engineers, and Senior Engineers for task allocation, performance evaluations, and technical assistance
• Conducted comprehensive feature review for LAA, adhering to 3GPP Release-13 standards.
• Reviewed functional requirements of MAC layer for Dual Cell feature supporting Carrier Aggregation with LTE-U (Unlicensed band) to design and develop a validation framework.
• Reviewed and scoped the ‘Dynamic CFI' feature and provided support for Category – 1 UE.
• Utilized Python to create a validation framework to parse UE logs, and employed LUA for eNodeB wireshark log parsing.
• Visited Qualcomm headquarter in San Diego to support team over there for testing Validation Framework for LTE-U, Dynamic CFI feature.

• Delivered expert technical support to the pre-sales team for LTE products, focusing on designing comprehensive product documentation.
• Managed and facilitated pre-sales process by providing in-depth technical solutions and expertise to potential clients.
• Collaborated with customers to gather their technical needs and customize LTE product solutions.
• Collaborated with sales, marketing, and product development departments to ensure consistency in product offering and technical documentation.
• Contributed to proposal and presentation development, offering technical insights and feasibility assessments for LTE product implementations.

• Led a team of Junior and Senior Engineers, providing technical support and mentorship.
• Involved in scoping features, planning test execution, and designing/validating test cases.
• Managed and tracked resources, providing feedback to senior management on resource utilization.
• Prepared and managed release documents, facilitating smooth handover to QA
• Performed acceptance testing and delivered demo presentations in Israel for LTE small cell product.
• Accomplished system integration of ETP unit to establish CS and PS calls with core network elements at Nokia in Tampere, Finland.
• Contributed to the development of multiple modules for a Traffic Generator tool in C.

Compass Airline (Web-Based Application):

• Developed key components, including Flight Operation, Employee Resource, and Vendor Publication using Java Struts framework.

• Developed VPN software in C
• Developed and tested software unit test cases.