Gift Chigayo, Big Data Architect

Gift Chigayo

Big Data Architect

Econet

Location
Zimbabwe
Education
Master's degree, Big Data Analytics
Experience
20 years, 7 Months

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Work Experience

Total years of experience :20 years, 7 Months

Big Data Architect at Econet
  • Zimbabwe - Harare
  • My current job since November 2017

● Designing and implementing and maintaining the company’s Big Data and data Science Solutions.
● Responsible for the data solution design and architecture .
● Requirements specifications
● Designing and maintaining Big Data technology architectures
● Researching on the data architecture frameworks , standards and principle

● Designed the new data architecture to align it with the digital transformation
● Led teams that Designed and implemented the following Big Data Use Cases.
▪ Campaign management system
▪ Revenue prediction model
▪ Customer profiling and Credit Scoring
▪ Customer Churn Prediction
▪ Product recommendation system

Data Warehouse Architect at Econet
  • Zimbabwe
  • March 2010 to October 2017

● Designing and implementing and maintaining the company’s Analytics Solution.
● Responsible for the data solution design and architecture .
● Requirements specifications
● Designing and maintaining Data Warehouse technology architectures
● Researching on the data architecture frameworks , standards and principle
● Designed solution Architecture for the company’s Data Warehouse.
● Developed the company’s Data Quality Module improving the company’s revenue reporting accuracy

Senior Systems Analyst at ZABG Bank
  • Zimbabwe
  • July 2007 to February 2010

-Supervised a team of developers through out major and minor projects
-Carried out systems specification and design
-Managed allocated Projects
-formulated systems development policies and procedures for the bank

Systems Analyst at CFX Bank
  • Zimbabwe
  • October 2003 to June 2007

- carried out requirements gathering, Systems analysis & design and
programming
-Report Tailoring
-Database design
-Systems intergration
-managed allocated projects

Education

Master's degree, Big Data Analytics
  • at Chinhoyi University Of Technology
  • December 2020

The Programme covers Big Data, Analytics, Machine Learning, Data Governance and Security

Bachelor's degree, Computer Science
  • at University of Zimbabwe
  • August 2003

Specialties & Skills

Artificial Intelligence
Enterprise Architecture
Machine Learning
Business Intelligence
Data Warehousing
Systems Development
Data Cleansing
Data modeling
Data Mining,
Database Developement
Report Development
Oracle Database
Meta Data management
Budgetary and expense control
Data Warehousing
Dashboards
Business Analysis
Business intelligence
Project Assessment
Data migration
MySQL databae
Databases
MS SQL Server
Data Visualization
Project Managment
AWS Cloud
Data Architecture
Artificial Intelligence
Cloudera Data Platform
machine learning
analytics
Data Engineering

Languages

English
Expert

Training and Certifications

Oracle Database SQL Certified Expert (Certificate)
ITIL® Foundation Certificate (Certificate)
Date Attended:
March 2017
AWS Certified Cloud Practitioner (Certificate)
Date Attended:
October 2022
Valid Until:
September 2025
Prince 2 Agile practitioner (Certificate)
Date Attended:
November 2021
Valid Until:
October 2024
Togaf 9 Certified (Certificate)
Date Attended:
December 2021
AWS Certified Data Analytics – Specialty (Certificate)
Date Attended:
March 2023
Valid Until:
February 2026

Hobbies

  • Chess