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Oliver Ardila

Oliver Ardila

AI Systems Trainer with 3 yrs in Cloud, Data Engineering & Annotation

Colombia flagBarranquilla, Colombia
$50.00/hrExpertAws SagemakerGoogle Cloud Vertex AIOpencv AI Kit Oak

Key Skills

Software

AWS SageMakerAWS SageMaker
Google Cloud Vertex AIGoogle Cloud Vertex AI
OpenCV AI Kit (OAK)OpenCV AI Kit (OAK)

Top Subject Matter

No subject matter listed

Top Data Types

Computer Code ProgrammingComputer Code Programming

Top Task Types

Data Collection
Fine Tuning
Prompt Response Writing SFT
Text Summarization

Freelancer Overview

Software Engineer and CTO with 3+ years of experience specializing in full-stack development, cloud infrastructure, and AI integration. Led the launch of a web-based rental platform in under 6 months, resulting in 100+ new users, 275+ client interactions, and a 45% increase in user retention. Reduced backend latency by 40% and streamlined deployment through serverless infrastructure, cutting release time and manual configuration efforts by nearly a third. Taught 150+ students in data, cloud, and AI topics, raising engagement by 15% and improving project outcomes through technical mentoring. Built applied AI solutions, including a GPT-4 chatbot used by over 1,000 users and a data pipeline that improved processing efficiency by 30%.

ExpertEnglishSpanish

Labeling Experience

OpenCV AI Kit (OAK)

GPT-4 Conversational AI Evaluation & Text Annotation

Opencv AI Kit OakTextEntity Ner ClassificationQuestion Answering
Developed and evaluated a GPT-4 powered chatbot used by 1,000+ users. Labeled and annotated text datasets for semantic search and conversational fine-tuning, including classification of entities, rating generated responses, and writing prompt–response pairs for supervised fine-tuning (SFT). Created evaluation frameworks to measure accuracy, coherence, and user satisfaction. The project involved thousands of conversation samples, with quality assurance through peer review and test metrics to ensure >90% annotation consistency.

Developed and evaluated a GPT-4 powered chatbot used by 1,000+ users. Labeled and annotated text datasets for semantic search and conversational fine-tuning, including classification of entities, rating generated responses, and writing prompt–response pairs for supervised fine-tuning (SFT). Created evaluation frameworks to measure accuracy, coherence, and user satisfaction. The project involved thousands of conversation samples, with quality assurance through peer review and test metrics to ensure >90% annotation consistency.

2023 - 2024

Education

U

Universidad del Norte

Bachelor Of Engineering, Electronics

Bachelor Of Engineering
2022 - 2026
U

Universidad del Norte

Technical Of It, Software Development

Technical Of It
2022 - 2022

Work History

S

Scale AI

Quality Assurance

California
2025 - Present
T

TuMaquinaYa

Chief Technology Officer (CTO) and Co-Founder

Barranquilla
2024 - 2025