Great on Find the Length of the Longest Substring Without Repeating Characters, Difficulty Easy
Great on Optimize ETL Pipeline Performance, Difficulty Hard
Great on Plan an Efficient Migration Strategy to AWS S3 for Video Content, Difficulty Medium
Built a dynamic reconciliation engine that automatically matches transactions across multiple systems
Created an automated data copy engine and portal for non-technical teams
Developed a banks reconciliation system handling daily volume spikes
Designed an AI process builder for common reconciliation rules
Owned financial account reconciliation for multiple payment products
Built a real-time reconciliation system for immediate action by finance teams
Built a Python pipeline for automated ETL
Designed Power BI dashboards for tracking business metrics
Improved revenue retention by 18% through customer engagement strategies
Teach data engineering skills to working professionals
Designed a 10-week curriculum for building data pipelines
Conducted live debugging sessions and code reviews
Delivered a hands-on data science bootcamp covering various topics
Led live coding sessions in Python, R, and SQL
Mentored capstone projects for career readiness
Built a customer churn prediction model with 90% accuracy
Applied clustering and regression to African agricultural data
Evaluated models using precision, recall, and F1 scores
Automatically matches transactions across payment gateways, banks, and internal ledgers
Created a self-service portal for data copying without engineering tickets
Designed a system for reconciling daily settlement files from multiple banks
Built a tool that suggests automation rules for data reconciliation
Owned the reconciliation of core financial accounts for multiple payment products
Developed a streaming reconciliation system for immediate error detection
Designed and deployed big data processing architecture with various technologies

Ibrahim B. is mid-senior Level Developer