Josphat M.

Key Skills

Software

Appen

Toloka

Sama

Mindrift

Clickworker

Top Subject Matter

Multilingual NLP training datasets and web/relevance evaluation

Visual AI training data and text sentiment/opinion labeling

AI research studies and qualitative feedback for model improvement

Top Data Types

Text

Image

Audio

Document

Top Task Types

Classification

Question Answering

Transcription

Text Generation

Text Summarization

Data Collection

Freelancer Overview

AI Training & Data Labelling Specialist (Appen) — Text annotation and evaluation tasks. Brings 3+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Appen, Toloka, and Respondent.io. Education includes Diploma, The Nairobi National Polytechnic (2023) .AI-training focus includes data types such as Text, Image, and Audio and labeling workflows including Evaluation, Rating, and Classification.

Labeling Experience

Audio/video transcription specialist (GoTranscript) — English & Swahili style guide certified

AudioTranscription

Completed audio and video transcription tasks for AI training in both English and Swahili. Followed GoTranscript style guide requirements and maintained compliance with task-specific formatting. Passed English and Swahili style certifications indicating consistent adherence to transcription conventions. • Audio and video transcription • English & Swahili transcription • GoTranscript style guide compliance • Certified transcription quality

2024 - Present

Audio transcription specialist (TranscribeMe) — CVL legal transcription

AudioTranscription

Transcribed audio recordings for AI speech recognition training datasets using Clean Verbatim for Legal (CVL) style transcription guidelines. Completed platform certification for legal prequalification to meet required transcription standards. Produced accurate multilingual-ready transcripts following the specified style and formatting rules. • Audio transcription for ASR datasets • CVL (Clean Verbatim for Legal) transcription • Legal prequalification certification • Style-guideline compliant documentation

2024 - Present

AI research feedback participant (Respondent.io) — structured interviews and UX feedback

TextQuestion Answering

Provided qualitative feedback through AI research studies, structured interviews, and user experience feedback sessions. Contributed to improving human–AI interaction by reviewing outputs and supplying task-specific insights. Applied consistent documentation habits to support iterative AI model improvements. • AI research participation • UX feedback sessions • Structured interviews • Qualitative feedback for model performance

2024 - Present

AI Training & Data Labelling Specialist (Toloka) — Image classification/detection and NLP sentiment tasks

TolokaImageClassification

Executed image classification, object detection, and content relevance tasks to label visual data for AI training. Completed sentiment/opinion labeling on text datasets as part of multi-modal and NLP labeling workflows. Maintained consistent quality control scores across diverse task categories following detailed instructions. • Image classification • Object detection • Content relevance labeling • Sentiment/opinion labeling on text datasets

2024 - Present

AI Training & Data Labelling Specialist (Appen) — Text annotation and evaluation tasks

AppenText

Completed text annotation tasks for AI model training datasets while maintaining high accuracy and quality benchmark scores. Performed search engine relevance rating and web page evaluation to support ranking and retrieval system improvements. Worked on multilingual (English and Swahili) labeling projects requiring consistent application of platform guidelines. • Text annotation • Search relevance rating and web page evaluation • Multilingual English–Swahili quality control • Remote crowdsourcing dataset work

2024 - Present

Education

Work History