Josna P

Experience

• 

  Tata Consultancy Services

  Aug 2019 - Aug 2022

  Python Developer(System Engineer)

  • Maintained automation scripts, resolving bugs to ensure successful Jenkins job execution, and enhancing pipeline reliability.• Designed and implemented REST APIs using Flask for a web application that displayed real-time job results and performance metrics, improving accessibility and monitoring.• Authored approximately 80 Genie triggers to automate test scenarios for network devices using Cisco PyATS, contributing to 25% of network automation completion.• Integrated regex functionality into Python scripts to extract and validate information from output text data, significantly increasing data accuracy.• Led and collaborated with the team on Python programming, fostering a collaborative environment and driving productive development practices.• Developed Python scripts to test and analyze Telecom LTE call logs, automating the process with the Robot framework, resulting in more efficient log analysis.• Contributed to 30% of the research and development efforts in establishing communication protocols between components in 5G architecture, advancing project objectives.• Utilized Pandas and NumPy for effective data manipulation and analysis, enabling critical data-driven decision-making.• Researched and implemented PySpark for large-scale data processing, optimizing ETL workflows to enhance efficiency and scalability in handling complex datasets.• Conducted research and implemented machine learning models to predict the success of the attach process, followed by performance tuning and parameter optimization to improve model accuracy and efficiency.• Explored and applied MLOps practices with AWS S3, SageMaker, Lambda, SNS, and API Gateway to automate the machine learning lifecycle, ensuring efficient and reliable model deployment.• Performed end-to-end testing for an e-commerce website, completing 50% of the test scenarios, resulting in enhanced application quality.• Worked extensively with databases like Oracle, enhancing data management. Show less

• 

  Saint Louis University

  Apr 2023 - May 2024

  Infosecurity Analyst Intern

  • Researched and created around 40 executive reports on cybersecurity incidents to safeguard the organization from cyber threats. • Generated statistical information and visualizations using numpy, pandas, and matplotlib. Utilized Microsoft Excel for comparative analysis.• Analyzed organizational data and developed statistical reports, visualizations, and infographics to help higher authorities in decision-making.• Contributed 2 innovative ideas within the iPaaS research and design group, focusing on integrating machine learning to prioritize workflows and efficiently route tickets to relevant departments.• Experimented with different Machine Learning models to predict the priority of a generated ticket.• Designed and implemented a MongoDB database to store and organize a wide range of NGO information, including donor data, organizational records, and other critical information, ensuring efficient data management and retrieval.• Developed a user-friendly UI to display and interact with the information from the MongoDB database, allowing users to access relevant data efficiently. Show less