Sabyasachi Nath

Experience

• 

  ATC INDIA TOWER CORPORATION PRIVATE LIMITED

  Jun 2017 - Jul 2017

  Internship

  Completed research project related to working of the current telecom systems, operations and maintainance.

• 

  Bhabha Atomic Research Centre

  Aug 2018 - Apr 2019

  Research Project

  Completed my final year project on the Propagation Path loss models. This includes:1. Learned about communication.2. Learned propagation of the RF signals.3. Learned different types of propagation path loss models.4. Learned about the Mathematical Modelling of the propagation path loss models.5. Designed an antenna.

• 

  Jio Platforms Limited (JPL)

  Jul 2019 - now

  • Integral member of the Jio RAFM (Revenue Assurance and Fraud Management) Team, promoted to Deputy Manager.• Spearhead the design and implementation of in-house Big Data solutions, including Data Lake, Data Warehouse, and Business Intelligence systems into Business Intelligence Platform (PaaS), resulting in a 30% reduction in workload and saving Rs. 70 million annually in licensing costs.• Developed and implemented over 50 ETL processes, audits, data pipelines, and integration workflows.• Provide support to stakeholders by translating requirements into technical specifications and ensuring project requirements are met throughout the lifecycle using Azure DevOps.• Extract actionable business insights from data using Oracle SQL/HiveQL queries, driving informed decision-making.• Lead the planning and development of multiple BI, frontend, and Tableau dashboard projects to deliver comprehensive data visualization solutions.• Mentor and train new team members to achieve technical proficiency and contribute effectively to project success. Show less • Integral member of the Jio RAFM (Revenue Assurance and Fraud Management) Team, specializing in identifying and preventing revenue leakages and network fraud.• Utilize Subex ROC tool to develop ETL processes, audits, and dashboards, effectively detecting revenue leakages from various sources including Voice, Data, SMS, International roaming, IOT, and third-party platforms.• Contribute to annual cost savings of $10 million through proactive identification and resolution of revenue leakages, benefiting both customers and the organization.• Actively monitor the fraud management system to detect and mitigate fraudulent activities such as unauthorized calls and irregular data usage.• Developed a user-friendly web application utilizing Python Flask, PySpark, HTML 5, CSS 3, and JavaScript to streamline configuration of Extract, Transform, and Load (ETL) processes and automate reconciliation jobs.• Achieved a 30% improvement in efficiency and a 60% increase in non-technical user engagement through the implementation of the web application. Show less • Contributed as a member of the Jio BOND (Business Operations Networking and Development) Team.• Ensured product quality by conducting SIT Testing, Sanity Testing, QA/QC Testing, and Regression Testing, ensuring a seamless and pleasant experience for customers.• Conducted testing on high-traffic products such as Jio Media Apps, JioMeet, MyJio, and E-Commerce applications, serving over 100 million customers across India.• Collaborated with Deployment, Development, and QA teams to validate post-deployment processes and ensure product integrity. Show less

  • Deputy Manager

    Dec 2023 - now

  • Assistant Manager

    Dec 2020 - Dec 2023

  • Assistant Manager | Graduate Engineer Trainee

    Jul 2019 - Dec 2020