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Olanrewaju Sanni

Olanrewaju Sanni

Business Intelligence Analyst

TATC

Technologies

My Portfolio Highlights

My New Course

Introduction to Python

Insights architect, constructing bridges between data and actionable strategies.

My Work

Take a look at my latest work.

course

Introduction to Functions in Python

course

Understanding Data Engineering

course

Introduction to Python

course

Intermediate Python

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

My Work Experience

Where I've interned and worked during my career.

Jobberman Nigeria | Mar 2023 - Present

Senior Business Intelligence Analyst

- Data-Driven Insights: Delivered actionable insights to stakeholders, boosting decision-making efficiency by 30%. - BI Asset Management: Managed and optimized BI assets (Git repositories, Python codebase, databases, servers), improving data retrieval speed by 40%. - Sales & Revenue Intelligence: Provided market insights that contributed to a 20% increase in sales performance through optimized revenue flow models. Power BI & Reporting: Designed 10+ dynamic dashboards, reducing reporting time by 50%. - CRM Optimization: Enhanced CRM processes on Zoho, increasing data accuracy by 25% and streamlining workflows. - Automation & Efficiency: Led data automation initiatives, cutting manual data processing time by 60%. - Training & Documentation: Upskilled 50+ team members, improving CRM adoption and data utilization. - Strategic Decision Support: Identified trends that influenced key business decisions, improving operational efficiency by 15%.
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Jumia Nigeria | Oct 2020 - Mar 2023

Business Intelligence Specialist

• Spool and visualized data (Via SQL, PBI, Jumia Worktools for decision- making executives. • Designed customized data collection models for result-specific visualization tasks. • Developed intelligence-sharing dashboards, providing company-wide access to collected data. • Handled massive quantities of business intelligence data, personally managing as much as 42 Gigabytes within onboarding to date. • Collected data from wide-ranging sources, including Sellercenter, OMS, Jumia DWH e.t.c. • Researched and compiled tailored monthly analytics and reports for all senior management with PBI, SQL Server, MS Excel. • Achieved 94 % success in automation by analyzing Seller claims data and system issues to identify discrepancies for troubleshooting and corrective action by the central team. • Collaborated with Jumia's commercial and Customer Experience departments to respond to questions and concerns regarding assortment and availability. • Provided operational support for Finance in isolation of Sellers who have satisfied set criteria of charge application. • Increased annual revenue by 15 % by recommending improvements for NMV generation. • Developed metrics derived from raw supplier data to track improvements seller improvement and incentivization. • Partnered with On-Demand-Service teams to conduct thorough discovery and due diligence on existing processes. • Identified and resolved process issues to encourage smoother procedures, more efficient business operation and growth. • Provided comprehensive analysis and recommend solutions to address complex business problems using data from an internal source and applied advanced analytical methods to assess factors impacting growth and profitability. • Managing executive dashboards and performance tracking tools for improving service delivery • Created trackers replicated centrally to monitor the quality of all products sold on the Jumia platform.

Jumia Nigeria | Oct 2019 - Sep 2020

Vendor Issue Resolution Specialist

• Audit the returns process for Marketplace, consignment, and retail Clients. • Support Customer Service team with Vendor related issues. • Communicate available returns to an average of 4,000 vendors daily. • Audit inventory data and initiate the return of Aged unsold items. • Interacted with vendors via CRM tool to resolve all issues relating to the pickup/return of items to vendors. • Worked directly with Jumia services returns unit to ensure smooth operations of returned items to vendors. • Proffer solutions to issues involving Vendor returns/rejections and complaints.

Jumia Nigeria | Jun 2018 - Oct 2019

Vendor Support Associate

• Attending to vendor request and escalating to appropriate team for resolution • Provide feedback and Monitor teams Key Performance Indicators • Maintenance of a good score from vendor satisfaction survey on the quality of service received. • Regular interaction with vendors through phone calls and live chat. • Script and content writing for issue resolution.

My Education

Take a look at my formal education

Bachelor's Degre, Microbiology, GeneralOlabisi Onabanjo University | 2015

About Me

Olanrewaju Sanni

Senior Business Intelligence Analyst with expertise in transforming data into actionable insights. At Jobberman & TATC, I lead data strategies that drive growth, efficiency, and success. Let’s connect to discuss data-driven solutions!

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