Ladislau Coimbra

Key Skills

Software

Other

Appen

Clickworker

LabelImg

Data Annotation Tech

AWS SageMaker

CVAT

Remotasks

Top Subject Matter

Computer Vision

Large Language Models (LLMs) and AI Dialogue Systems

Top Data Types

Image

3D Sensor

Text

Top Task Types

Classification

Bounding Box

RLHF

Prompt Response Writing SFT

Function Calling

Object Detection

Cuboid

Segmentation

Polygon

Freelancer Overview

Freelance Data Labeling Specialist. Core strengths include CVAT and Remotasks. AI-training focus includes data types such as Image and Text and labeling workflows including Bounding Box and RLHF.

Labeling Experience

AI Training & Data Specialist

RemotasksTextRLHF

In my capacity as an AI Training & Data Specialist, I worked extensively on reinforcement learning from human feedback (RLHF) and large language model ranking. I focused on designing, evaluating, and validating prompt outputs to enhance AI dialogue quality and safety. My role required thorough review and fact-checking for reliable training data. • Created and rated prompts and responses for LLM evaluation. • Applied advanced fact-checking and validation procedures. • Used platforms including Outlier AI, Remotasks, and Fiver for distributed tasks. • Provided feedback on model outputs for continuous improvement.

In my capacity as an AI Training & Data Specialist, I worked extensively on reinforcement learning from human feedback (RLHF) and large language model ranking. I focused on designing, evaluating, and validating prompt outputs to enhance AI dialogue quality and safety. My role required thorough review and fact-checking for reliable training data. • Created and rated prompts and responses for LLM evaluation. • Applied advanced fact-checking and validation procedures. • Used platforms including Outlier AI, Remotasks, and Fiver for distributed tasks. • Provided feedback on model outputs for continuous improvement.

2020 - Present

AI Data Labeling Specialist (Freelancer / Online Projects)

CVATImageClassificationBounding Box

As an AI Data Labeling Specialist, I performed data labeling and annotation tasks for AI models using digital platforms. My responsibilities included classifying image and text data, validating annotations for quality, and ensuring adherence to strict technical guidelines. I maintained a high standard of accuracy and delivered validated, high-quality labeled datasets for machine learning training purposes. • Classified and annotated both image and text datasets. • Conducted validation and quality reviews to ensure data accuracy. • Followed technical guidelines for labeling tasks. • Delivered finalized labeled data for AI model training.

As an AI Data Labeling Specialist, I performed data labeling and annotation tasks for AI models using digital platforms. My responsibilities included classifying image and text data, validating annotations for quality, and ensuring adherence to strict technical guidelines. I maintained a high standard of accuracy and delivered validated, high-quality labeled datasets for machine learning training purposes. • Classified and annotated both image and text datasets. • Conducted validation and quality reviews to ensure data accuracy. • Followed technical guidelines for labeling tasks. • Delivered finalized labeled data for AI model training.

2023 - 2024

Education

Work History