Data Engineering & Technology Consulting

IRETIOLUWA OLAWUYI

IRETEX & COMPANY TECHNOLOGIES INC.

Experienced Data Engineer & Scientist transforming raw data into strategic intelligence. Specialized in cloud architecture, machine learning pipelines, and scalable ETL systems.

9+
Years of Experience
3
Cloud Platforms
5
Industry Certifications
Python Google Cloud Platform BigQuery Apache Kafka PySpark Machine Learning ETL Pipelines Tableau Azure AWS Python Google Cloud Platform BigQuery Apache Kafka PySpark Machine Learning ETL Pipelines Tableau Azure AWS

About

Turning data complexity into clarity and competitive edge.

I'm Iretioluwa Olawuyi — a data engineer and scientist with over 9 years of experience designing systems that make data work harder. From telematics pipelines at Skyjack to enterprise ETL at Coca-Cola Hellenic, I've built the infrastructure that powers real decisions.

Through IRETEX & COMPANY TECHNOLOGIES INC., I bring this depth of expertise to organizations seeking to modernize their data infrastructure, build robust cloud architectures, and unlock actionable intelligence from their data assets.

Based in Ontario, Canada. Certified Google Cloud Associate Cloud Engineer. Available for consulting engagements.

GC
Associate Cloud Engineer
Google Cloud — 2021
MS
Azure Data Scientist Associate
Microsoft — 2020
MS
Data Analyst Associate
Microsoft — 2021
UD
Full Stack Developer
Udacity — 2022
CB
Certified Cyber Security Assurance Professional
CrossBow Labs — 2020

Research & Publications

📰 ORCID Profile

Open Researcher & Contributor ID

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🔬 ResearchGate

Research Collaboration Platform

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📚 Academia.edu

Academic Social Network

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Academia.edu

💼 LinkedIn Learning

Professional Development

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Credentials

Download my complete resume & credentials

Access my full professional resume, including detailed work history, technical proficiencies, and proven track record across data engineering, cloud architecture, and analytics.

The resume document contains references to completed projects, client testimonials, and industry certifications.

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What I Do

01

Data Engineering & Pipeline Architecture

Design and build scalable, production-grade data pipelines. From ingestion to transformation to delivery — reliable, maintainable, and performant at any volume.

PythonGCPApache KafkaBigQuery

02

Cloud Architecture & Migration

Architect cloud-native solutions on GCP, AWS, and Azure. Migrate legacy systems to modern cloud environments with minimal disruption and maximum efficiency.

GCPAWSAzureCloud Functions

03

Data Science & ML Solutions

Develop machine learning models and advanced analytics solutions. From predictive modelling to string-matching algorithms — turning statistical insight into business outcomes.

PySparkMLPythonSQL

04

ETL & Data Warehouse Engineering

Build and optimize ETL processes for enterprise data warehouse environments. Ensure data integrity, cross-domain relationships, and validated accuracy across your entire ecosystem.

ETLBigQueryCloud DataflowSQL

05

Analytics Dashboards & Visualization

Craft powerful, insight-rich dashboards using Tableau, Looker Studio, and Power BI. Make your data accessible and actionable for every stakeholder.

TableauPower BIPlotlyLooker

06

API Development & Integration

Design and build robust data APIs and application integrations. Connect your systems, automate data flows, and enable real-time insights at scale.

FlaskREST APIMySQLDocker

Experience

Feb 2023 — Dec 2025

Skyjack Inc.

Software Engineer, Data Scientist

  • Developed and maintained data pipelines and telematics data management systems using Python, SQL, and GCP services including BigQuery and Cloud Functions.
  • Led end-to-end development as an individual contributor for telematics data applications, integrating APIs with Flask, Apache Kafka, and MySQL for real-time insights.
  • Built visualization dashboards using Tableau and Plotly-Dash with validation techniques for data accuracy.
  • Analyzed large telematics datasets (batch and streaming) to derive cross-domain insights from machine sensor telemetry data.

Sep 2022 — Jan 2023

Freelance

Data Scientist

  • Designed an analytical data model for a wealth management portfolio, leveraging relational data stores and DAX for validation and cross-object analysis.
  • Optimized workflows by integrating systems and supporting BI developers with data pipeline enhancements.

Mar 2021 — Aug 2022

Coca-Cola Hellenic

Data Scientist — Group Commercial

  • Developed scalable ETL solutions using PySpark and Spark SQL for data warehouse applications, with skills transferable to GCP's BigQuery and Cloud Dataflow.
  • Created a Python-based string-matching algorithm achieving 90% validated accuracy in a data warehouse environment.
  • Built and validated visualization dashboards in Power BI and Tableau, ensuring data integrity across domains.

Nov 2018 — Feb 2021

Coca-Cola Hellenic

Data Analyst — Big Data & Advanced Analytics

  • Engineered Big Data pipelines in a data warehouse environment using Python and Azure Datalake.
  • Handled end-to-end development for 2 analytics engagements, migrating data from SAP BW to cloud storage.
  • Implemented validation techniques for ETL processes and created visualizations in Tableau and Power BI.

Aug 2017 — Oct 2018

Nigerian Bottling Co.

Data Analyst — Route-to-Market

  • Extracted and transformed data from SAP Business Warehouse, developing operational reports with cross-object analysis.
  • Contributed to a 25% improvement in order strike rate through optimized data processes.

Technical Skills

Core Languages

Python5 yrs
SQL5 yrs
PySpark4 yrs

Visualization

Tableau5 yrs
Power BI5 yrs
Looker Studio3 yrs

Cloud Platforms

Google Cloud Platform4 yrs
Microsoft Azure4 yrs
AWS3 yrs

Big Data & Streaming

Apache Kafka
Apache Spark / Hadoop
ETL / Data Pipelines

Education

2023

Applied A.I. Solutions Development

George Brown College

Postgraduate certificate focused on data pipeline management, cloud-based solutions, and analytics system development.

2022 – 2023

Cloud DevOps Engineering

Udacity Nanodegree

Hands-on cloud computing, CI/CD pipelines, and deploying applications on GCP and AWS.

2022

Full Stack Development

Udacity Nanodegree

Mastered API development, SQL, and cloud deployment using Python and Flask.

2016 – 2018

M.S. Mechanical Engineering

University of Lagos

Master of Science with advanced analytical and systems thinking foundations.

2006 – 2012

B.Tech. Mechanical Engineering

Ladoke Akintola University of Technology

Bachelor of Technology — quantitative and engineering fundamentals.

Let's build something
remarkable.

Whether you need a full data infrastructure build, a consulting engagement, or a focused analytics project — I'd love to hear from you. IRETEX & COMPANY TECHNOLOGIES INC. is ready to partner with your team.