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Lonwabo M. — Mid-Level AI Generalist and Audio Transcription Analyst from South Africa

Lonwabo M.

Mid-Level AI Generalist and Audio Transcription Analyst

South Africa 3-6 years
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About

Lonwabo M. is an accomplished AI Generalist and Model Evaluator based in Durban, South Africa, with over three years of experience in AI training data workflows. Specializing in audio transcription verification and visual quality assurance, Lonwabo brings an impressive 100% batch acceptance rate in various professional engagements. Currently, he is a key contributor at Welocalize and Micro1, excelling as an Audio Analyst and AI Generalist. Lonwabo is adept in evaluating AI-generated responses across financial, general knowledge, and coding domains, ensuring factual accuracy and logical coherence. His linguistic skills in both English and IsiZulu enhance his capability to verify audio transcriptions and create enriched NLP training data. With a remote setup tailored for high-fidelity audio review, Lonwabo is well-equipped to perform rigorous analysis and QA tasks for global clients.

Experience

  • Audio Transcription Analyst

    Welocalize · 2026 — Present
    Conduct reviews of short-form audio transcriptions for global voice AI platforms to ensure compliance with complex style guides, focusing on punctuation conventions, filler-word handling, and dialect-specific grammar rules. Make high-throughput approve/reject decisions on transcriptions submitted by analysts, offering actionable feedback that enhances accuracy and minimizes rework. Utilize advanced English and IsiZulu skills to identify phonetic inconsistencies and grammatical errors often overlooked by automated systems. Work within a remote setup designed for high-fidelity audio review, facilitating real-time collaboration through a low-latency internet connection.

  • AI Generalist

    Micro1 · 2025 — Present
    Assess AI-generated responses across various domains such as finance, general knowledge, coding, and reasoning, focusing on factual accuracy, logical coherence, and clarity, with the aim of ensuring first-pass acceptance of all batches. Evaluate pairs of AI outputs, making comparative rankings and providing succinct justifications based on helpfulness, safety, and the necessity for human judgment. Identify and report factual inaccuracies, over-confident assertions, and systematic reasoning errors, escalating these to project leads for model improvement. Employ CVAT, Label Studio, and Labelbox for quality assessment of visual and multimodal content, ensuring annotation accuracy and project guideline adherence. Perform mobile software testing on Android, documenting bugs and unexpected behaviors with precision for AI development teams.

  • AI Data Quality Specialist & Model Evaluator

    AI Data Labs · 2023 — 2024
    Conduct comprehensive evaluations of LLM outputs against detailed task requirements, achieving a 100% acceptance rate from engineering teams throughout all phases of projects. Analyze AI-generated content associated with financial reporting, credit analysis, and macroeconomic prompts, ensuring domain accuracy and reasoning quality through structured assessments. Create annotated datasets in English and IsiZulu, leveraging native language proficiency to enhance model training data with cultural and grammatical precision.

  • Junior Transcription QA Analyst

    DataTech Solutions · 2021 — 2022
    Examine and revise annotated conversational scripts to align with detailed style guides, contributing to measurable improvements in chatbot accuracy according to client feedback. Collaborate on the development of guideline documentation to standardize evaluation criteria within the annotation team, improving the onboarding process for new members. Maintain a record of zero failed batches during supervisor audits on high-volume multimodal annotation tasks using Label Studio.

  • IT Support & Data Assistant

    Digital Insights · 2019 — 2021
    Perform audits of financial and operational records to verify numerical accuracy and ensure schema compliance, facilitating error-free transfers with no failed audits.

Skills & Expertise

AI and Data ScienceAI EngineerData Analyst

Education

  • IT Studies Coursework
    Berea College of Technology · — — 2023
  • National Senior Certificate (NQF Level 4)
    Sithengile Secondary School