James Mwendwa

High-performing Bilingual Transcriptionist, Linguistic Quality Assurance (LQA) Specialist, and Content Developer with 3+ years of experience delivering high-accuracy audio-to-text formatting. Expert in native Swahili and advanced English (C2) transcription, time-stamping, and speaker identification. Specialized in cleaning up Automatic Speech Recognition (ASR) outputs and post-editing machine transcriptions for global technology platforms.

Proven track record of strict adherence to complex style guides, dialectal formatting, and rigorous data quality control.

Transcription, Localization & Linguistic QA Specialist (Swahili / English) - CrowdGen - Remote, Kenya

(2025-08 - 2026-01)

• Transcribed, audited, and corrected high-volume multi-dialect Swahili and English audio datasets to train natural language processing models.
• Evaluated automated speech-to-text outputs against detailed style guides, achieving top-tier accuracy scores.
• Formatted transcripts using complex formatting rules, accurately resolving ambiguities in slang, cultural idioms, and overlapping dialogue.
• Conducted linguistic quality assurance on transcribed texts to eliminate grammatical, syntactic, and semantic inconsistencies.
• Maintained strict daily output and turnaround time requirements under remote, independent working conditions.

Language Specialist & Speech Data Annotator - Remotask - Remote

(2023-05 - 2024-04)

• Transcribed and evaluated multi-turn spoken dialogue datasets for phonetic accuracy, clarity, and safety guidelines.
• Applied rigorous transcription rubrics, formatting rules, and audio quality filters to ensure flawless data integrity.
• Identified and logged audio anomalies, background noise interferences, and regional dialect variations.
• Collaborated with distributed remote teams to deliver verified text-to-speech datasets for global AI systems.

Freelance Writer & Bilingual Content Developer - Self-employed - Nairobi, Kenya

(2022-02 - 2023-06)

• Transcribed oral interviews, research audio, and focus group recordings into high-quality text for technical and educational reports.
• Maintained strict editorial standards for readability, factual integrity, and proper punctuation in both English and Swahili.
• Managed end-to-end transcription workflows from raw audio intake to polished final delivery under tight client deadlines.

Bachelor of Commerce - Commerce - Masinde Muliro University of Science and Technology (2024)