Sanganabasav Hanjagi

Melbourne,Australia

Summary

Results-driven Senior Data Analyst with 13 years of experience in data engineering and advanced analytics, delivering impactful insights in large-scale enterprise environments. Expertise spans end-to-end analytics, from data ingestion and modeling to executive dashboards and predictive models. Strong collaborator with experience mentoring junior analysts and leveraging SQL, Power BI, Tableau, Python, and cloud analytics to drive data-informed decision-making.

Overview

years of professional experience

Work History

Senior Data Analyst / Analytics Business Partner

Belong (Telstra Group)

, Australia

01.2021 - Current

Hands-on analytics business partner for Product and Commercial teams, working closely with the Chief Customer Officer (CCO) and senior leadership.
Delivered executive-ready Power BI and Tableau dashboards integrating operational KPIs with predictive insights, supporting data-driven decision-making.
Built and deployed an NBN churn prediction model with 84% accuracy, scoring customers by probability to churn.
Ran a targeted retention pilot program, successfully saving 18% of at-risk NBN customers, transforming retention into a proactive, data-led capability.
Led analysis of NBN customer behavior across activation, and retention journeys.
Identified and rectified revenue leakage from multiple modem deliveries and inefficient warehouse processes, improving profitability within Belong NBN ecosystem.
Designed and delivered an end-to-end Order-to-Activation dashboard, creating transparency across newly implemented systems.
Established baseline cycle times and customer withdrawal metrics to enhance operational performance.
Mentored and guided 2 junior analysts, providing technical direction, code reviews, and stakeholder coaching while remaining as an individual contributor.
Key Technologies: SQL (Azure, Redshift), Power BI, Tableau, Python (SageMaker), Machine Learning, ETL, Data Modelling

Senior Data Analyst / Analytics Lead (Supply Chain)

Telstra

, Australia

01.2019 - 01.2021

Relocated from Infosys India to Australia in 2019 to support a critical Telstra Proof of Concept (POC) as a senior, hands-on analyst.
Secured major analytics engagement; retained onshore to lead Supply Chain Analytics transition.
Led the initiative to bring supply chain reporting and analytics in-house, replacing fragmented and manual reporting.
Identified supply chain inefficiencies affecting delivery SLAs, enhancing on-time delivery performance and mitigating operational risk.
Converted PDF, Excel, and email-based reports into scalable Tableau and Power BI dashboards.
Partnered with business and engineering stakeholders to define detailed requirements for the strategic data warehouse.
Designed and maintained local databases and Tableau Server solutions to ensure uninterrupted insights during transition.
Facilitated supply chain transformation, transitioning from 3PL partner to Toll and last-mile delivery to Australia Post.
Key Technologies: SQL, Azure SQL, SSIS, Data360, Power BI, Tableau, Data Modelling, ETL

Education

Bachelor of Engineering - Electrical, Electronics And Communications Engineering

Vishveshwarya Technical University

India

Skills

Advanced SQL (Azure, AWS Redshift, GCP)
Analytics Engineering & Data Modelling
ETL / ELT (SSIS, Data360, automated pipelines)
Power BI & Tableau (Executive and Operational Reporting)
Python (Descriptive & Predictive Analytics)
Machine Learning (Churn & Propensity Models)

Cloud Analytics (Azure, AWS SageMaker)
Stakeholder Management & Business Partnering
Telecom, NBN & Supply Chain Analytics
Mentoring & Capability Uplift
AI-Assisted Analytics (Copilot, Open-Source LLMs)

Analytics And Ai Mindset

Actively follow AI and analytics trends relevant to real-world business use cases.
Hands-on experimentation with open-source LLMs and AI-assisted development tools to accelerate SQL, Python, and analytics workflows.
Confident in quickly adopting new tools, platforms, and techniques to deliver business outcomes in fast-moving environments.

Technical Stack

SQL (Azure SQL, AWS Redshift), SSIS, Data360, automated ELT pipelines, Python (AWS SageMaker), predictive modelling, churn propensity analysis, Power BI, Tableau, PowerPoint, Excel, Visual Studio Code, Cursor, GitHub Copilot, open-source LLMs (LLaMA)

Professional Highlights

13+ years in data, spanning Data Engineering → Hands-on Senior Data Analytics.
Delivered a tactical analytics layer while the enterprise data warehouse was being built.
Reduced customer activation cycle time by 18% in a large-scale telco environment.
Enabled dedicated Tiger team to reduce Customer Order withdrawal by 30%.
Built churn prediction models with 84% accuracy and delivered measurable retention uplift.
Enabled formation of a dedicated operational team, driving retention.
Identified and rectified revenue leakage across supply chain and NBN operations.
Trusted analytics partner to senior leaders, while mentoring junior analysts.

Timeline