I’m a meticulous AI Data Annotator and RLHF specialist with a strong analytical background in logic validation, semantic evaluation, and structured content QA. I bring a zero-tolerance approach to data discrepancies and consistently focus on building reliable datasets that match clear guidelines and real user flows. In my current role as a Lead Technical QA & Strategist, I evaluate and categorize large volumes of digital content and backend data, design logic capture forms and relational structures, and perform cross-platform QA to ensure both functional and logical accuracy. With bilingual English/Afrikaans capability, I also support localized NLP training, prompt evaluation, and high-fidelity human feedback needs to train and refine sophisticated AI models.…

Izak Ferrreir

I’m a meticulous AI Data Annotator and RLHF specialist with a strong analytical background in logic validation, semantic evaluation, and structured content QA. I bring a zero-tolerance approach to data discrepancies and consistently focus on building reliable datasets that match clear guidelines and real user flows. In my current role as a Lead Technical QA & Strategist, I evaluate and categorize large volumes of digital content and backend data, design logic capture forms and relational structures, and perform cross-platform QA to ensure both functional and logical accuracy. With bilingual English/Afrikaans capability, I also support localized NLP training, prompt evaluation, and high-fidelity human feedback needs to train and refine sophisticated AI models.…

Available to hire

I’m a meticulous AI Data Annotator and RLHF specialist with a strong analytical background in logic validation, semantic evaluation, and structured content QA. I bring a zero-tolerance approach to data discrepancies and consistently focus on building reliable datasets that match clear guidelines and real user flows.

In my current role as a Lead Technical QA & Strategist, I evaluate and categorize large volumes of digital content and backend data, design logic capture forms and relational structures, and perform cross-platform QA to ensure both functional and logical accuracy. With bilingual English/Afrikaans capability, I also support localized NLP training, prompt evaluation, and high-fidelity human feedback needs to train and refine sophisticated AI models.

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Skills

Experience Level

AI Data Labelling
Expert
CSS
Expert
API
Expert
HTML5
Expert
Prompt Engineering
Expert
JavaScript
Expert
PHP
Intermediate
Data Visualization
Intermediate
CRM
Intermediate
Bootstrap
Beginner
SQL
Beginner
Data Science
Beginner
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Language

English
Fluent
Afrikaans
Fluent

Work Experience

Assistant Manager - Operations & CRM at Telkom (V&A Waterfront)
August 1, 2012 - July 31, 2014
Managed complex customer relationship management (CRM) databases to ensure high fidelity and accuracy of user data inputs. Conducted root-cause analysis on inventory and operational discrepancies, applying logical problem-solving to resolve complex system errors. Standardized data entry protocols for staff to significantly reduce error rates and improve overall dataset integrity.
Assistant Manager at Telkom (V&A Waterfront)
August 1, 2012 - December 31, 2014
Oversaw CRM systems and inventory management with a focus on fast problem resolution and analytical troubleshooting. Managed daily retail store operations, staff training, and customer service excellence.
Data Admin & Accounting at Steenekamp Accounting Solutions
September 1, 2010 - July 31, 2012
Executed precise banking reconciliations and managed complex numeric datasets where accuracy was critical. Categorized and annotated financial data for reporting, identifying inconsistencies and correcting structural errors in legacy data systems. Applied strict compliance guidelines to daily data processing, ensuring all outputs met rigorous internal and external standards.
Admin & Accounting at Steenekamp Accounting Solutions
September 1, 2010 - July 31, 2012
Managed complex invoicing systems and handled bank reconciliations with strong attention to detail. Addressed various client queries requiring precise communication and data verification.
Visual Data & Spatial QA Consultant at Wetherlys
December 1, 2005 - September 30, 2010
Applied highly detailed visual assessment skills to ensure physical and spatial displays met exact brand guidelines, similar to bounding box and visual QA tasks.
Sales Consultant & Visual Merchandiser at Wetherlys
December 1, 2005 - September 30, 2010
Specialized in high-end sales and meticulous visual merchandising displays.

Education

Grade 12 National Senior Certificate (University Exemption) at Unindale High
January 11, 2030 - September 8, 2026
Telekom CRM Leadership Training; Welcome Host Customer Service Certification at Telekom
January 11, 2030 - September 8, 2026
Grade 12 National Senior Certificate (University exemption) at Unio ndale High
January 11, 2030 - September 11, 2026

Qualifications

Telkom CRM Leadership Training
January 11, 2030 - September 11, 2026
Welcome Host Customer Service Certification
January 11, 2030 - September 11, 2026

Industry Experience

Software & Internet, Telecommunications, Retail, Professional Services
    Portfolio

    I specialize in custom WordPress architecture, complex e-commerce integrations, and frontend development. I partner with digital agencies and direct clients to transform high-fidelity designs into fast, responsive, and secure production environments.

    Daily Technical Execution & Workflow
    My day-to-day operations focus on building robust digital assets and ensuring optimal user experiences through:

    Custom Architecture & Frontend: Building out mobile-first, responsive UI layouts using HTML5, CSS3, JavaScript, and Bootstrap alongside theme builders like Divi.

    WooCommerce & E-Commerce Logic: Architecting complex storefronts, configuring custom user-flow booking systems, and managing intricate payment gateways.

    Backend & Server Administration: Managing PHP 8.3+ environments, cPanel/WHM, DNS configurations, and performing database optimization for maximum site speed.

    Integrations & Advanced Data Capture: Setting up advanced API connections, Google integrations, and building complex conditional logic using Gravity Forms.

    Site Health & Security: Executing rigorous Wordfence security protocols, daily plugin management, and continuous uptime monitoring for corporate maintenance retainers.

    The Outcome
    I combine clean coding practices with robust server administration and long-term site health management to ensure zero downtime. Every project is built with scalability, security, and the end-user in mind.

    Portfolio & Contact
    To see live case studies of my structural digital builds and system integrations, visit my website at: https://www.twine.net/signin Reach out directly to discuss your project requirements.