Javier S.

Key Skills

Software

Scale AI

Other

CVAT

SuperAnnotate

Supervisely

Top Subject Matter

NLP and Computer Vision

Computer Vision

AI Training/Natural Language Processing

Top Data Types

Text

Image

Document

Top Task Types

RLHF

Classification

Bounding Box

Polygon

Segmentation

Polyline

Cuboid

Point/Key Point

Text Generation

Object Detection

Text Summarization

Question Answering

Freelancer Overview

Data Annotation Specialist. Core strengths include Scale AI and Other. Education includes Bachelor of Science, Stanford University (2019). AI-training focus includes data types such as Text and Image and labeling workflows including RLHF and Classification.

Labeling Experience

Data Annotation Specialist

Scale AIImageClassification

During my tenure at Scale AI, I was responsible for classifying, annotating, and categorizing images as part of computer vision initiatives. I ensured accuracy and consistency throughout all labeling processes. My role required strict adherence to project deadlines and productivity standards. • Utilized classification methods for visual datasets in machine learning projects. • Followed annotation guidelines specific to image and video content. • Maintained high productivity and met all project deadlines. • Contributed to improvements in image data quality for computer vision models.

2023 - Present

Data Annotation Specialist

Scale AITextRLHF

As a Data Annotation Specialist at Scale AI, I annotated and labelled diverse datasets for AI and machine learning projects. I evaluated AI-generated content to support model training, particularly for language models. Quality assurance and compliance with guidelines were my primary focus areas. • Worked extensively with text, image, audio, and video datasets for annotation tasks. • Applied reinforcement learning from human feedback (RLHF) techniques to improve large language models. • Performed classification and categorization for NLP and computer vision projects. • Collaborated with international teams to resolve quality and workflow issues.

2023 - Present

Freelance Data Annotation & AI Training Contributor

OtherTextClassification

As a Freelance Data Annotation & AI Training Contributor, I labelled and categorized datasets for AI applications. I followed strict annotation guidelines to maintain high accuracy. Quality control and review processes were integral to my contribution. • Annotated text data for machine learning and natural language processing tasks. • Reviewed and corrected labeled entries to ensure data integrity. • Applied defined protocols to maximize consistency in text annotation. • Contributed to datasets used for AI model training and validation.

2020 - 2023

Education

Work History