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Wietsche Calitz Email & Phone Number

Freelance Data & ML Engineer at Dataminded
Location: City Of Cape Town, Western Cape, South Africa 11 work roles 2 schools
1 work email found @realimpactanalytics.com LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email w****@realimpactanalytics.com
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Current company
Dataminded
Role
Freelance Data & ML Engineer
Location
City Of Cape Town, Western Cape, South Africa
Company size
14 employees

Who is Wietsche Calitz? Overview

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Quick answer

Wietsche Calitz is listed as Freelance Data & ML Engineer at Dataminded, a company with 14 employees, based in City Of Cape Town, Western Cape, South Africa. AeroLeads shows a work email signal at realimpactanalytics.com and a matched LinkedIn profile for Wietsche Calitz.

Wietsche Calitz previously worked as Lead Data Engineer at Dataminded and Head of Prediction and Portfolio Services at Jumo. Wietsche Calitz holds Bachelor Of Engineering (B.Eng.), Electrical And Electronics Engineering from University Of Stellenbosch.

Company email context

Email format at Dataminded

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{first}.{last}@realimpactanalytics.com
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Profile bio

About Wietsche Calitz

Wietsche Calitz is a Freelance Data & ML Engineer at Dataminded. They possess expertise in business intelligence, machine learning, big data, database design, data warehousing and 21 more skills.

Listed skills include Business Intelligence, Machine Learning, Big Data, Database Design, and 22 others.

Current workplace

Wietsche Calitz's current company

Company context helps verify the profile and gives searchers a useful next step.

Dataminded
Dataminded
Freelance Data & ML Engineer
leuven, vlaams-brabant, belgium
Website
dataminded.be
Employees
14
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11 roles · 21 years

Wietsche Calitz work experience

A career timeline built from the work history available for this profile.

Lead Data Engineer

Current
Dataminded

Belgium

May 2023 - Present

Head Of Prediction And Portfolio Services

Jumo

Cape Town, Western Cape, South Africa

Jul 2022 - Feb 2023

Head Of Ml Engineering

Jumo.World

Cape Town, Western Cape, South Africa

May 2020 - Jul 2022

Head Of Data Engineering

Jumo.World

Cape Town Area, South Africa

Responsibilities: * Aligning a global team of approximately 10 people (Engineers and Product Owners) to company objectives * Prioritising of work with stakeholders* Building the team though hiring* Goal setting and performance management Highlights:* Learning to delegate and empower direct reports with appropriate autonomy* Learning how to deal with.

Apr 2019 - May 2020

Head Data Architect

Jumo.World

Cape Town Area, South Africa

Responsibilities: * Aligning Data Warehouse and Data Lake systems with company objectives* Maintain data systems roadmap for scaling with the business* Technical leadership to junior Data Engineers* Create and maintain Data Models per business domain Highlights* Implementing a petabyte-scale data lake in AWS* Implementating a federated query layer over.

Jan 2017 - Mar 2019

Data Architect

Real Impact Analytics

Cape Town Area, South Africa

Responsibilities:* Designing Business Intelligence platform integrated into B2B Applications * Coaching of Engineers on BI systems * Technical support during client integrations * Pre-sales support to Business Development teamHighlights* Introducing Kimball Star schemas to RIAKTR and leading implementation though systematic refactoring* Reducing license.

Dec 2015 - Dec 2016

Business Intelligence Architect

Busii - Business Intelligence Integrators

Business Intelligence Architecture consulting to various clients.

May 2008 - Nov 2015

Business Intelligence Architect (Consulting)

Vodacom
2008 - Apr 2013

Business Intelligence Specialist

Global Vision It

Business Intelligence Architecture and Developement in a CRM environment.

2006 - 2008 ~2 yrs

Business Intelligence Developer

Forwardslash

Report Development, Database Design, Team Leader

2005 - 2006 ~1 yr
Team & coworkers

Colleagues at Dataminded

Other employees you can reach at dataminded.be. View company contacts for 14 employees →

OW Oliver Willekens Oliver Willekens Colleague at DatamindedHalle, Saxony-Anhalt, Germany, Germany View → JC Jonas Crevecoeur Jonas Crevecoeur Colleague at DatamindedGenk, Flemish Region, Belgium, Belgium View → SI Sofia Iamskaia Sofia Iamskaia Colleague at DatamindedBrussels, Brussels Region, Belgium, Belgium View → SV Stefan Van Raemdonck Stefan Van Raemdonck Colleague at DatamindedLouvain Metropolitan Area, Belgium View → PH Pieter Huycke Pieter Huycke Colleague at DatamindedTurnhout, Flemish Region, Belgium, Belgium View → PC Pierre Crochelet Pierre Crochelet Colleague at DatamindedBrussels, Brussels Region, Belgium, Belgium View → TF Thorsten Foltz Thorsten Foltz Colleague at DatamindedWillich, North Rhine-Westphalia, Germany, Germany View → MD Michiel De Muynck Michiel De Muynck Colleague at DatamindedDeinze, Flemish Region, Belgium, Belgium View → CM Cedric Mingneau Cedric Mingneau Colleague at DatamindedZonhoven, Flemish Region, Belgium, Belgium View → SL Siyan Luo Siyan Luo Colleague at DatamindedBrussels, Brussels Region, Belgium, Belgium View →
2 education records

Wietsche Calitz education

Bachelor Of Engineering (B.Eng.), Electrical And Electronics Engineering

University Of Stellenbosch

Graduated with an M.Sc in Engineering

FAQ

Frequently asked questions about Wietsche Calitz

Quick answers generated from the profile data available on this page.

What company does Wietsche Calitz work for?

Wietsche Calitz works for Dataminded.

What is Wietsche Calitz's role at Dataminded?

Wietsche Calitz is listed as Freelance Data & ML Engineer at Dataminded.

What is Wietsche Calitz's email address?

AeroLeads has found 1 work email signal at @realimpactanalytics.com for Wietsche Calitz at Dataminded.

Where is Wietsche Calitz based?

Wietsche Calitz is based in City Of Cape Town, Western Cape, South Africa while working with Dataminded.

What companies has Wietsche Calitz worked for?

Wietsche Calitz has worked for Dataminded, Jumo, Jumo.World, Real Impact Analytics, and Busii - Business Intelligence Integrators.

Who are Wietsche Calitz's colleagues at Dataminded?

Wietsche Calitz's colleagues at Dataminded include Oliver Willekens, Jonas Crevecoeur, Sofia Iamskaia, Stefan Van Raemdonck, and Pieter Huycke.

How can I contact Wietsche Calitz?

You can use AeroLeads to view verified contact signals for Wietsche Calitz at Dataminded, including work email, phone, and LinkedIn data when available.

What schools did Wietsche Calitz attend?

Wietsche Calitz holds Bachelor Of Engineering (B.Eng.), Electrical And Electronics Engineering from University Of Stellenbosch.

What skills is Wietsche Calitz known for?

Wietsche Calitz is listed with skills including Business Intelligence, Machine Learning, Big Data, Database Design, Data Warehousing, Apache Spark, Solution Architecture, and Databases.

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