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E

Esther Kariuki

Software Engineer

Kenya flagNairobi, Kenya
$25.00/hrEntry LevelOther

Key Skills

Software

Other

Top Subject Matter

Medical Imaging
Breast Cancer Ultrasound

Top Data Types

TextText
ImageImage

Top Task Types

Text Generation
Segmentation

Freelancer Overview

Software Engineer. Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution.

Entry LevelEnglish

Labeling Experience

Medical Image Segmentation Labeler (Breast Cancer Ultrasound)

ImageSegmentation
Developed an automated workflow for breast lesion segmentation using ultrasound imagery. Preprocessed, augmented, and normalized images and corresponding masks to prepare data for deep learning model training. Trained a U-Net model using PyTorch, evaluated model predictions, and compared output against ground truth for clinical interpretability. • Performed grayscale conversion, resizing, and normalization of ultrasound images. • Applied mask alignment to ensure data-label integrity for semantic segmentation. • Used augmentations to increase data variability and robustness of training. • Evaluated model metrics with Dice coefficient and IoU for label quality assurance.

Developed an automated workflow for breast lesion segmentation using ultrasound imagery. Preprocessed, augmented, and normalized images and corresponding masks to prepare data for deep learning model training. Trained a U-Net model using PyTorch, evaluated model predictions, and compared output against ground truth for clinical interpretability. • Performed grayscale conversion, resizing, and normalization of ultrasound images. • Applied mask alignment to ensure data-label integrity for semantic segmentation. • Used augmentations to increase data variability and robustness of training. • Evaluated model metrics with Dice coefficient and IoU for label quality assurance.

2025 - Present

AI Movie Recommendation System – Data Labeling and Model Training

OtherTextText Generation
Developed an AI movie recommendation system utilizing NLP techniques and embedding-based similarity ranking. Built a pipeline for generating and evaluating text-based suggestions, focusing on relevance and accuracy. Leveraged Python libraries to handle text processing and vector database integration. • Constructed AI models for movie recommendation based on labeled user and movie metadata. • Used sentence embeddings to match user preferences to possible movie choices. • Implemented data pipelines to process and annotate movie data for model training. • Evaluated model performance using explainable AI techniques and fast similarity search.

Developed an AI movie recommendation system utilizing NLP techniques and embedding-based similarity ranking. Built a pipeline for generating and evaluating text-based suggestions, focusing on relevance and accuracy. Leveraged Python libraries to handle text processing and vector database integration. • Constructed AI models for movie recommendation based on labeled user and movie metadata. • Used sentence embeddings to match user preferences to possible movie choices. • Implemented data pipelines to process and annotate movie data for model training. • Evaluated model performance using explainable AI techniques and fast similarity search.

Not specified

Education

A

AkiraChix

Diploma in Information Technology, Information Technology

Diploma in Information Technology
2025 - 2025

Work History

F

Freelance

AI/ML Engineer

Nairobi
2025 - Present
F

Fruitguard

Software Engineer

Nairobi
2025 - Present