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Sanchez Juliana

Sanchez Juliana

Freelance ML & Software Developer (Data Labeling/AI Training Work)

Kenya flagNairobi, Kenya
$40.00/hrExpertOtherCVATData Annotation Tech

Key Skills

Software

Other
CVATCVAT
Data Annotation TechData Annotation Tech

Top Subject Matter

Nlp Domain Expertise
Predictive Modelling
Data Analytics

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

Fine-tuningFine-tuning
SegmentationSegmentation
Object DetectionObject Detection
Text GenerationText Generation
TranscriptionTranscription
Evaluation/RatingEvaluation/Rating
Computer Programming/CodingComputer Programming/Coding

Freelancer Overview

Freelance ML & Software Developer (Data Labeling/AI Training Work). Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, Zetech University (2024). AI-training focus includes data types such as Text and labeling workflows including Fine-tuning.

ExpertEnglish

Labeling Experience

Freelance ML & Software Developer (Data Labeling/AI Training Work)

OtherTextFine Tuning
Worked as a freelance ML and software developer delivering machine learning and data science projects to global clients. Involved in building custom predictive models, NLP pipelines, and data analytics solutions, which included the preparation, cleaning, and annotation of training data for AI models. Ensured data quality through annotation and validation processes using Python and relevant ML libraries. • Delivered annotated datasets for NLP and predictive modeling tasks. • Performed data labeling, feature engineering, and fine-tuning of models for diverse domains. • Used Python-based tools and frameworks (Scikit-Learn, TensorFlow, PyTorch). • Collaborated with clients to clarify annotation requirements and domain specifics.

Worked as a freelance ML and software developer delivering machine learning and data science projects to global clients. Involved in building custom predictive models, NLP pipelines, and data analytics solutions, which included the preparation, cleaning, and annotation of training data for AI models. Ensured data quality through annotation and validation processes using Python and relevant ML libraries. • Delivered annotated datasets for NLP and predictive modeling tasks. • Performed data labeling, feature engineering, and fine-tuning of models for diverse domains. • Used Python-based tools and frameworks (Scikit-Learn, TensorFlow, PyTorch). • Collaborated with clients to clarify annotation requirements and domain specifics.

2021 - Present

Education

Z

Zetech University

Bachelor of Science, Information Technology

Bachelor of Science
2020 - 2024

Work History

S

SitechX

Team Lead & AI/ML Engineer

Nairobi
2025 - Present
M

MavnAI

Remote Software Engineer (AI & ML)

Nairobi
2024 - Present