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Guilherme Silva

Guilherme Silva

AI Content & Localization Specialist (RLHF) / Multilingual AI Data Trainer

Brazil flagParaná, Brazil
$20.00/hrIntermediateOtherClickworkerData Annotation Tech

Key Skills

Software

Other
ClickworkerClickworker
Data Annotation TechData Annotation Tech
MercorMercor
OneFormaOneForma
TelusTelus

Top Subject Matter

Financial Domain Expertise
Legal Services & Contract Review
Retail Domain Expertise

Top Data Types

TextText
DocumentDocument
AudioAudio

Top Task Types

RLHF
Bounding Box
Classification
Object Detection
Text Generation
Question Answering
Text Summarization
Fine Tuning
Red Teaming
Transcription
Evaluation Rating
Data Collection

Freelancer Overview

AI Content & Localization Specialist (RLHF) / Multilingual AI Data Trainer. Brings 8+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Other. Education includes Bachelor's Degree, Universidade Federal do Rio Grande - FURG (2022) and Bachelor of Science, Centro Educacional da Lapa (UNIFAEL) (2020). AI-training focus includes data types such as Text and labeling workflows including RLHF.

IntermediateEnglishPortugueseSpanish

Labeling Experience

AI Content & Localization Specialist (RLHF) / Multilingual AI Data Trainer

OtherTextRLHF
In this role, I provided reinforcement learning from human feedback (RLHF) and AI model evaluation for global AI platforms in the banking, trade, and retail sectors. My main tasks included post-editing machine translations, evaluating multilingual LLM outputs, and ensuring technical and cultural accuracy. I worked with English, Portuguese (PT-BR), and Spanish (LATAM) language models in both legal and financial domains. • Performed RLHF and model evaluation focused on domain-specific tasks. • Conducted MTPE for financial and legal documents. • Delivered nuanced linguistic QA for multilingual AI models. • Ensured output compliance with cross-cultural and industry standards.

In this role, I provided reinforcement learning from human feedback (RLHF) and AI model evaluation for global AI platforms in the banking, trade, and retail sectors. My main tasks included post-editing machine translations, evaluating multilingual LLM outputs, and ensuring technical and cultural accuracy. I worked with English, Portuguese (PT-BR), and Spanish (LATAM) language models in both legal and financial domains. • Performed RLHF and model evaluation focused on domain-specific tasks. • Conducted MTPE for financial and legal documents. • Delivered nuanced linguistic QA for multilingual AI models. • Ensured output compliance with cross-cultural and industry standards.

2023 - Present

Education

U

Universidade Federal do Rio Grande - FURG

Bachelor's Degree, International Business, Trade, and Commerce

Bachelor's Degree
2016 - 2022
C

Centro Educacional da Lapa (UNIFAEL)

Bachelor of Science, Accounting and Finance

Bachelor of Science
2019 - 2020

Work History

G

Gold Store LTDA

Operations & Multi-Unit Manager

Paraná
2020 - 2025
B

Banrisul

Banking Relationship Intern

Santa Vitória do Palmar
2019 - 2020