Hussain Vali
BI Developer
About
BI Developer with 4+ years at Redington India, evolved from Tableau dashboard development into full-stack BI engineering. Currently architecting and building the MIS BI Dashboard — a Python/Flask and React platform delivering Revenue, Working Capital, Treasury, Inventory, Receivables, and Vendor reporting to enterprise leadership. Combines a strong foundation in Tableau, Power BI, and advanced SQL with hands-on backend development (pandas, SQLAlchemy, MySQL), REST API design, and full-stack debugging. Skilled at translating complex fiscal business logic and cross-functional requirements into reliable, decision-ready reporting systems.
Skills & Expertise (18)
Work Experience
Tableau Developer
Redington India
Aug 2021 - Present
Full-Stack BI Development (Current Focus) • MIS BI Dashboard: Architected and built a full-stack Business Intelligence platform (Python/Flask backend, React/Vite frontend) delivering Revenue, Working Capital, Treasury, Inventory, Receivables, and Vendor performance reporting to enterprise leadership. • Built backend data services in Python (pandas, SQLAlchemy) to transform SAP data from MySQL, implementing fiscal-year-aware logic (April–March cycle) for QTD/YTD reporting and vendor sales-vs-target tracking. • Diagnosed and resolved data-integrity issues end-to-end across the SQL → pandas → React stack, including a fiscal-period boundary bug in quarterly target calculations and a production frontend crash traced to a missing import. • Designed pre-aggregated MySQL summary tables to optimize dashboard query performance, delivered as production-ready SQL scripts for the data engineering team. • Report Modernization: Rebuilt a legacy Python PDF report generator (17 modules across 9 report sections) as a FastAPI + React web application with a redesigned, single-page interface. • Prototyped a UX redesign for the Revenue dashboard featuring SVG-based progress visualizations, tabbed period navigation, and expandable data hierarchies. Tableau Development & BI Administration • Engineered and deployed interactive Tableau dashboards across Finance, Sales, HR, Credit, and Logistics, using calculated fields, parameters, and data blending to convert complex requirements into actionable insights. • Partnered with cross-functional stakeholders to define supply chain KPIs, increasing operational efficiency by 15%. • Administered enterprise Tableau Server for 50+ users — permissions, licensing, and access control — maintaining 99% platform uptime. • Analyzed 1M+ records via SQL Server, establishing data quality assurance procedures that cut data-related errors by 20%. • Applied advanced analytics to uncover trends and patterns, improving forecasting accuracy by 10% and supporting proactive business planning. • Automated reporting workflows through scheduled data refreshes and Tableau extensions, cutting manual effort by 25% and report generation time by 30%. • Delivered 24/7 production support and change-controlled documentation, achieving 95% user satisfaction and a 15% lift in user adoption.
Education
B.Tech in Computer Science — Data Analytics and Business Intelligence Tools - JNTU Anantapur
- · Afghanistan
Certifications
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Skills (18)
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