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L

Lucas Alencar

Freelance AI Data Labeling and Prompt Engineering Specialist

Brazil flagN/A, Brazil
$25.00/hrIntermediate

Key Skills

Software

No software listed

Top Subject Matter

AI Training and Prompt Engineering
Legal Services & Contract Review
Regulatory Compliance & Risk Analysis

Top Data Types

TextText
Computer Code ProgrammingComputer Code Programming
DocumentDocument

Top Task Types

Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Computer Programming/CodingComputer Programming/Coding
Text GenerationText Generation
Point/Key PointPoint/Key Point
Object DetectionObject Detection
Data CollectionData Collection
Evaluation/RatingEvaluation/Rating

Freelancer Overview

Freelance AI Data Labeling and Prompt Engineering Specialist. Brings 7+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Laws, Universidade Salgado de Oliveira (2019) and Postgraduate Studies, Faculdade Senac (2024). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

IntermediateEnglish

Labeling Experience

Freelance AI Data Labeling and Prompt Engineering Specialist

Text
As a freelancer, I performed data labeling and annotation tasks focused on AI system improvement. My role included reviewing AI-generated outputs for accuracy and consistency, and enhancing prompt quality. I utilized Python to analyze and validate data sets used in AI training workflows. • Conducted text annotation and data labeling for AI development projects • Validated and reviewed model outputs for data quality and performance • Improved prompt engineering for better text generation results • Applied Python for thorough data validation and issue detection

As a freelancer, I performed data labeling and annotation tasks focused on AI system improvement. My role included reviewing AI-generated outputs for accuracy and consistency, and enhancing prompt quality. I utilized Python to analyze and validate data sets used in AI training workflows. • Conducted text annotation and data labeling for AI development projects • Validated and reviewed model outputs for data quality and performance • Improved prompt engineering for better text generation results • Applied Python for thorough data validation and issue detection

2025 - Present

Education

U

Universidade Salgado de Oliveira

Bachelor of Laws, Law

Bachelor of Laws
2019 - 2019
F

Faculdade Senac

Postgraduate Studies, Governance and Management

Postgraduate Studies
2024

Work History

F

Frelancer

Software Developer

N/A
2024 - Present
W

Warren

Software Developer

N/A
2021 - 2022