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Wangari Njeri

Wangari Njeri

Customer Experience Consultant (AI & CX) – AI model training and human evaluation

Kenya flagNairobi, Kenya
$25.00/hrIntermediateAws Sagemaker

Key Skills

Software

AWS SageMakerAWS SageMaker

Top Subject Matter

Generative AI
Customer Experience
LLM evaluation

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

ClassificationClassification
Question AnsweringQuestion Answering
TranscriptionTranscription
Evaluation/RatingEvaluation/Rating
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Data CollectionData Collection

Freelancer Overview

Customer Experience Consultant (AI & CX) – AI model training and human evaluation. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of the Built Environment, Technical University of Kenya (2021). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

IntermediateEnglishSwahili

Labeling Experience

Customer Experience Consultant (AI & CX) – AI model training and human evaluation

Text
Guided teams on prompt usage, response evaluation, and AI-assisted customer interactions to improve AI output quality and consistency. Analyzed customer feedback and behavioral data to identify actionable patterns for digital system enhancements. Delivered structured training modules and hands-on evaluations for AI model performance tracking. • Designed evaluation workflows to track LLM and generative AI systems’ outputs • Provided structured feedback to improve AI-generated text responses • Conducted human-in-the-loop assessments for prompt structuring • Developed quality control processes for continual AI model improvement

Guided teams on prompt usage, response evaluation, and AI-assisted customer interactions to improve AI output quality and consistency. Analyzed customer feedback and behavioral data to identify actionable patterns for digital system enhancements. Delivered structured training modules and hands-on evaluations for AI model performance tracking. • Designed evaluation workflows to track LLM and generative AI systems’ outputs • Provided structured feedback to improve AI-generated text responses • Conducted human-in-the-loop assessments for prompt structuring • Developed quality control processes for continual AI model improvement

2024 - Present

Education

T

Technical University of Kenya

Bachelor of the Built Environment, Construction Management

Bachelor of the Built Environment
2021 - 2021

Work History

E

Elevate Smiles CX

Customer Experience Consultant (AI & CX)

Nairobi
2024 - Present
E

Equity Bank Kenya

Customer Service Officer

Nairobi
2021 - 2024