Ibrahim B.

Data Engineer

Full-time available

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Bio

Ibrahim B. is an accomplished data engineer with a robust background in designing and implementing data systems within the fintech and analytics sectors. He has extensive hands-on experience with technologies such as Python, SQL, PySpark, Apache NiFi, Kafka, Airflow, Hadoop, Jenkins, Docker, Git, MS SQL Server, Hive, HDFS, MongoDB, SSIS, ClickHouse, Dremio, Power BI, Tableau, Excel, and MapR Cluster Management. At Interswitch Group, he architected dynamic reconciliation engines, automated data copy systems, and real-time…

  • Projects completed7
  • Hourly rate
  • 3-4 years experience
  • Lagos, Nigeria
  • Member since May 2026
Industries
FinTech
Expertise
PythonSQLPySparkKafkaGitMongoDBApache AirflowDatabase:RelationalDatabase:DocumentWebScrapingHTMLCSS
Video Intro
Assessments

General Project Assessment

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

Projects

Dynamic Reconciliation Engine

Automatically matches transactions across payment gateways, banks, and internal ledgers

Automated Data Copy Engine & Portal

Created a self-service portal for data copying without engineering tickets

Banks Reconciliation System

Designed a system for reconciling daily settlement files from multiple banks

AI Process Builder

Built a tool that suggests automation rules for data reconciliation

Financial Account Reconciliation

Owned the reconciliation of core financial accounts for multiple payment products

Real-Time Reconciliation System

Developed a streaming reconciliation system for immediate error detection

Big Data Infrastructure Setup

Designed and deployed big data processing architecture with various technologies

Experience

  1. Data Engineer

    Interswitch Group· FinTechMay 2022 — Present
    • 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
    ClickHouseDremioSparkpythonpyspark, apache nifi, apache airflow, kafka, SQL, s3, Hadoop

  2. BI Engineer

    Dtunes NigJan 2025 — Jul 2025
    • Built a Python pipeline for automated ETL
    • Designed Power BI dashboards for tracking business metrics
    • Improved revenue retention by 18% through customer engagement strategies

  3. Data Engineering Instructor

    Tekturia AcademyJan 2024 — Apr 2026
    • Teach data engineering skills to working professionals
    • Designed a 10-week curriculum for building data pipelines
    • Conducted live debugging sessions and code reviews
    PythonSQLAirflowdbtDockerSpark

  4. Data Science Facilitator

    Tech4DevMar 2024 — Apr 2024
    • 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

  5. Data Science Intern

    The Spark FoundationJan 2022 — May 2022
    • 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
Education

  1. B.Sc. Physics

    University of LagosLagos, Nigeria2017 — 2021

  2. NCE

    Tai Solarin College of EducationLagos, Nigeria2013 — 2016
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