Alex M.

Key Skills

Software

Other

Top Subject Matter

Nlp Domain Expertise

conversational AI

dataset curation

Top Data Types

Text

Image

Top Task Types

Classification

Freelancer Overview

Data Trainer — OpenTrain AI (Remote) — AI dataset annotation, prompt evaluation, and QA. Core strengths include Other. Education includes Bachelor of Arts, University of Nairobi (2022). AI-training focus includes data types such as Text and labeling workflows including Entity (NER) and Classification.

Labeling Experience

Data Trainer — OpenTrain AI (Remote) — AI dataset annotation, prompt evaluation, and QA

OtherText

Prepared and annotated datasets for AI model training, including conversational dialogues and text inputs. Wrote and evaluated LLM prompts to improve response quality under detailed style and accuracy guidelines. Performed quality assurance by flagging biases, errors, and inconsistencies to maintain high accuracy thresholds. • Labeled conversational dialogues and text samples for training pipelines • Built and evaluated prompt sets for improved LLM output quality • Identified and reported dataset bias, errors, and inconsistencies • Coordinated with leads to refine protocols and ensure >95% agreement

2023 - Present

Freelance Data Annotator — Self-Employed — NLP dataset labeling across clients

OtherTextClassification

Provided labeled datasets for NLP and related ML tasks across multiple clients. Conducted entity recognition, intent classification, and sentiment tagging over large text corpora while following project-specific guidelines. Ensured consistent output quality and secure handling of client data. • Performed entity recognition (NER) on text corpora • Labeled intent categories and sentiment tags • Produced datasets for NLP and image recognition projects • Managed annotation throughput with quality-focused workflows

2021 - 2023

Education

Work History