José L.

Key Skills

Software

Other

Top Subject Matter

Corporate entity profiling (jurisdiction, directors, legal entities) via OSINT

Audio dataset creation for speech and multi-modal AI training

Visual/UI element localization and geometric polygon annotation

Top Data Types

Text

Audio

Image

Document

Top Task Types

Entity (NER) Classification

Bounding Box

Polygon

Segmentation

Classification

Freelancer Overview

Human Labeling Analyst / Data Annotation Specialist — OpenTrain (Remote). Brings 4+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Microsoft Excel and Other. Education includes Human Labeling Analyst / Data Annotation Specialist, OpenTrain (Remote) (2025) and Image Annotation Specialist, Tech Project Contractors (2024). AI-training focus includes data types such as Text, Audio, and Image and labeling workflows including Entity (NER) Classification, Bounding Box, and Polygon.

Labeling Experience

Human Labeling Analyst / Data Annotation Specialist — OpenTrain (Remote)

TextEntity (NER) ClassificationBounding Box

Performed manual verification, cross-referencing, and correction of corporate attributes using text-first OSINT datasets and official registries. Structured, cleaned, and mapped complex records in spreadsheets to ensure high-quality, human-verified outputs. Applied business-structure reasoning to generate high-context tags for entity profiling tasks at scale. • Verified jurisdiction, directors, revenue ranges, and legal entities • Cleaned and mapped complex records in Microsoft Excel • Produced high-context tags for corporate entity profiling • Maintained 100% human-verification accuracy standards

2025 - Present

Audio Clipping & Audio Segmentation Expert — Freelance / Remote Projects

AudioSegmentation

Reviewed audiovisual content to segment and clip targeted sound bites aligned to granular requirements for AI multi-modal learning. Labeled acoustics, speech patterns, and linguistic markers to support training of advanced language models and acoustic neural networks. Delivered thoroughly audited, noise-free speech datasets under fast-paced timelines while working asynchronously. • Segmented and clipped audio into required sound-bite targets • Labeled acoustics, speech patterns, and linguistic markers • Prepared audited, noise-free speech datasets • Operated fully asynchronously across remote freelance projects

2024 - 2025

Image Annotation Specialist — Tech Project Contractors

OtherImagePolygonBounding Box

Carried out microscopic localization and mapping using polygon annotations to trace visual elements such as catalog buttons, icons, and text fields. Accounted for complex orientation and camera perspective angles while generating precise geometric labels. Processed high-volume photo catalogs with near-zero error margin, optimizing speed and cost-effectiveness. • Created polygon annotations for UI and text field elements • Traced buttons, icons, and text areas with orientation-aware mapping • Labeled high-volume photo catalogs with low error rate • Ranked among the fastest and most cost-effective annotators

2023 - 2024

Education

Work History