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Adetail-oriented Finance & Data professional with a BCom and PGDA from the University of Cape Town. I combine accounting precision (IFRS for SMEs, VAT/SARS compliance, audit readiness) with specialized expertise in AI training, LLM optimization, and multilingual localization to deliver safe, accurate outcomes in high-stakes environments. I audit AI logic for accuracy and safety using methods like RLHF, prompt engineering, red teaming, and synthetic data, while also supporting media workflows through transcription/translation, voice-over, and sentiment-focused language work—maintaining 99%+ accuracy in professional delivery.…Adetail-oriented Finance & Data professional with a BCom and PGDA from the University of Cape Town. I combine accounting precision (IFRS for SMEs, VAT/SARS compliance, audit readiness) with specialized expertise in AI training, LLM optimization, and multilingual localization to deliver safe, accurate outcomes in high-stakes environments. I audit AI logic for accuracy and safety using methods like RLHF, prompt engineering, red teaming, and synthetic data, while also supporting media workflows through transcription/translation, voice-over, and sentiment-focused language work—maintaining 99%+ accuracy in professional delivery.

Shlengiwe Magwaza

Data Analyst, AI Trainer, Data Engineer, +2

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Adetail-oriented Finance & Data professional with a BCom and PGDA from the University of Cape Town. I combine accounting precision (IFRS for SMEs, VAT/SARS compliance, audit readiness) with specialized expertise in AI training, LLM optimization, and multilingual localization to deliver safe, accurate outcomes in high-stakes environments. I audit AI logic for accuracy and safety using methods like RLHF, prompt engineering, red teaming, and synthetic data, while also supporting media workflows through transcription/translation, voice-over, and sentiment-focused language work—maintaining 99%+ accuracy in professional delivery.…Adetail-oriented Finance & Data professional with a BCom and PGDA from the University of Cape Town. I combine accounting precision (IFRS for SMEs, VAT/SARS compliance, audit readiness) with specialized expertise in AI training, LLM optimization, and multilingual localization to deliver safe, accurate outcomes in high-stakes environments. I audit AI logic for accuracy and safety using methods like RLHF, prompt engineering, red teaming, and synthetic data, while also supporting media workflows through transcription/translation, voice-over, and sentiment-focused language work—maintaining 99%+ accuracy in professional delivery.

Available to hire

Adetail-oriented Finance & Data professional with a BCom and PGDA from the University of Cape Town. I combine accounting precision (IFRS for SMEs, VAT/SARS compliance, audit readiness) with specialized expertise in AI training, LLM optimization, and multilingual localization to deliver safe, accurate outcomes in high-stakes environments.

I audit AI logic for accuracy and safety using methods like RLHF, prompt engineering, red teaming, and synthetic data, while also supporting media workflows through transcription/translation, voice-over, and sentiment-focused language work—maintaining 99%+ accuracy in professional delivery.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Xhosa

Advanced

Afrikaans

Intermediate

Work Experience

Financial Accountant at Ginrod Limited (Freight Services)

January 1, 2022 - December 31, 2025

Managed the full month-end reporting cycle, preparing management accounts and ensuring balance sheet reconciliations were finalized for executive review. Owned SARS compliance calendar activities including accurate calculation and submission of VAT201 and EMP201 returns via eFiling. Optimized internal controls for procurement and payroll using risk management frameworks to reduce leakage and ensure IFRS compliance. Served as primary contact for external auditors during annual reviews, preparing audit files and responding to technical queries.

Junior Financial Analyst / Graduate Accountant at Standard Bank (Graduate Program / Contract)

January 1, 2019 - December 31, 2021

Maintained the general ledger for multiple cost centers, investigating and resolving discrepancies in inter-company accounts and bank statements. Oversaw full-cycle AP/AR including vendor reconciliations, aging analysis, and resolution of disputed invoices. Assisted with migration of financial data from legacy systems to cloud ERP, ensuring data integrity and accurate mapping. Used advanced Excel (Pivot Tables, Power Query) to produce ad-hoc reports and identify cost-saving opportunities within operational budgets.

Independent Consultant / Project-Based Contributor (AI & Data, Media Localization)

January 1, 2017 - December 31, 2025

Delivered project work across AI validation and safety (CoT validation, RLHF ranking, red teaming), OCR financial document extraction with ground truth mapping, audit-log anomaly detection and risk modeling, and multilingual media workflows including voice-over/dubbing and English↔isiZulu localization. Also created synthetic financial edge-case datasets, optimized prompt engineering templates, and performed transcription/translation for speech recognition development. Completed foundational data labeling tasks for computer vision.