Nashaat
DEPLOYED · 2024Ministerial analytics and automated reporting pipeline across 100+ schools in Qatar.
Executive Summary
Sole Backend & Data Pipeline Engineer — responsible for end-to-end data ingestion architecture, schema normalization, PostgreSQL database design, background processing workers, and Django REST analytical endpoints.
Python, Django, PostgreSQL, Pandas, Celery, Redis, Docker, Chart.js
Reduced ministerial reporting turnaround from 4 weeks of manual tabulation to under 3 minutes.
1. The Problem Space & Hard Constraints
Over 100 schools submitted heterogeneous quarterly evaluation surveys across disconnected formats. Central ministry administrators faced 4 weeks of manual spreadsheet aggregation per reporting cycle, resulting in data entry discrepancies, delayed strategic oversight, and zero real-time cohort visibility.
Strict data privacy compliance for state educational records, handling Arabic dialectal variations in free-text fields, and ensuring zero-downtime report generation during peak end-of-term submission windows.
2. Engineered Architecture & Data Pipeline
Architected an automated ETL pipeline with Arabic text normalization, scheduled asynchronous batch processing, robust validation schemas, and real-time dashboard APIs. Aggregates multi-school metrics across thousands of data points into instant executive visual analytics and exportable compliance reports.
3. Key Decisions & Hard Bottlenecks Overcome
Chose PostgreSQL with native JSONB columns for flexible school-specific question attributes rather than managing 50+ relational join tables. Leveraged Celery task chunks to process 10,000+ row survey uploads without locking HTTP request workers.
Initial pandas in-memory joins during report generation consumed 1.8GB RAM under peak load. Re-architected calculation logic into PostgreSQL database-level aggregation queries, dropping memory footprint to <120MB and execution time by 88%.
4. Verified Measurable Outcomes
- Reduced ministerial reporting turnaround from 4 weeks of manual tabulation to under 3 minutes.
- Eliminated data entry discrepancies with 100% schema validation across 100+ participating educational institutions.
- Built automated PDF/Excel executive summary generation utilized directly by regional education directors.