Warnette Carolissen
@warnettecarolissen
Detail-oriented banking professional transitioning into data analytics with strong data visualization skills.
What I'm looking for
I am a banking and administrative professional with over 10 years' experience in financial services, now transitioning into data analytics after completing comprehensive data science certifications. I specialize in data cleaning, SQL querying, dashboard building, trend analysis, and delivering actionable insights to inform business decisions.
I have practical experience annotating and structuring large datasets for AI, running my own creative business where I analyzed sales data to optimize inventory, and applying data-driven decision making in forex trading and banking operations. I excel working remotely and independently in dynamic, results-focused environments.
Experience
Work history, roles, and key accomplishments
Data Annotation Contractor
Invisible Technologies
Sep 2025 - Present (1 month)
Annotated and structured large datasets and reviewed AI outputs to improve model performance and alignment with human expectations.
Owner / Creative Director
Double-U-See Creations
Jan 2022 - Jun 2024 (2 years 5 months)
Built and ran a creative business producing and selling AI-generated and handcrafted art while managing design, production, sales, marketing, and customer relations.
Forex Trader
Trading 212
Aug 2018 - Mar 2020 (1 year 7 months)
Performed comprehensive market analysis and executed forex trades to optimize portfolio performance and identify market trends.
Forex Trader
Standard Bank Webtrader
Feb 2017 - Apr 2018 (1 year 2 months)
Managed trading strategies and operations for forex transactions, leveraging data to inform decisions and ensuring regulatory compliance.
Branch Administrator
First National Bank
Mar 2001 - Oct 2011 (10 years 7 months)
Led administrative improvements, managed daily financial operations and customer service, and streamlined processes to improve branch efficiency and reduce wait times.
Education
Degrees, certifications, and relevant coursework
The Institute of Bankers in South Africa
Financial Services Advanced Diploma; Associate Diploma (Certified Associate in Banking), Banking/Financial Services
Completed banking diplomas including an Advanced Diploma in Financial Services (Credit) and an Associate Diploma as a Certified Associate in Banking.
Department of Higher Education and Training, Republic of South Africa
National Diploma, Financial Management / Accounting Systems
Earned a National Diploma in Financial Management Accounting Systems focused on financial management and accounting systems.
Coursera (Google)
Professional Certificate, Data Analytics
Completed the Google Data Analytics Professional Certificate covering data cleaning, analysis, visualization, and tools such as SQL and R.
Udemy
Bootcamp Certification, Data Analysis
Completed a Data Analyst Bootcamp certification providing practical training in Python, SQL, data visualization, and analysis workflows.
Goldman Sachs
Job Simulation, Finance / Risk Controls
Completed the Controllers Job Simulation course focused on finance operations and control simulations.
Commonwealth Bank
Job Simulation, Data Science
Completed the Introduction to Data Science Job Simulation covering foundational data science concepts and applications.
Financial Sector Conduct Authority
Regulatory Examination Certificate, Financial Regulation / Compliance
Obtained a Regulatory Examination Certificate related to financial sector regulatory requirements and compliance.
Intuit (QuickBooks Online)
Certification, Accounting / Bookkeeping
Completed QuickBooks Online certification covering bookkeeping and accounting software usage.
Sage (Pastel & Payroll)
Certifications, Accounting / Payroll
Completed certifications in Sage Pastel and payroll systems for accounting and payroll administration.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
Skills
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