For employers

Hire this AI Trainer

Sign in or create an account to invite AI Trainers to your job.

Invite to Job
P

Pedro Henrick

AI Data Annotator Expert - Pedro Silva

BRAZIL flag
Porto Ferreira, Brazil
$20.00/hrExpertData Annotation TechDeep SystemsKili Technology

Key Skills

Software

Data Annotation TechData Annotation Tech
Deep SystemsDeep Systems
Kili TechnologyKili Technology
RemotasksRemotasks
Snorkel AISnorkel AI
SuperAnnotateSuperAnnotate

Top Subject Matter

Mental Health
Marketing
Healthcare

Top Data Types

ImageImage
VideoVideo
TextText

Top Task Types

Text Generation
Text Summarization
Evaluation Rating
Data Collection

Freelancer Overview

Pedro Henrique Ferreira Costa da Silva Remote | Brazil Email: pedro.silva.301999@gmail.com Professional Summary Detail-oriented AI freelancer and bilingual content specialist with 6+ years of experience in translation, content creation, and digital production. Strong background in English–Portuguese localization, AI-assisted writing, image editing, and creative generation for marketing and digital platforms. Combines technical precision with a strong aesthetic sense and business mindset developed through sales leadership and customer-facing roles. Highly adaptable, autonomous, and consistent in remote environments. Professional Experience Freelance Translator & AI Content Specialist – Remote | 2015 – Present (cid:127) Translated books, eBooks, articles, and business documents (EN n PT) with cultural accuracy and clarity. (cid:127) Produced and edited AI-generated content for blogs, product descriptions, social media, and marketing materials. (cid:127) Created visual creatives using AI image generation tools and performed image editing for digital use (thumbnails, ads, branding visuals, social posts). (cid:127) Refined prompts and outputs to improve coherence, tone, and visual consistency. (cid:127) Delivered projects with high quality standards and strong client satisfaction on freelance platforms. Sales Lead & Interim Store Manager – Vivo | Porto Ferreira, Brazil | 2023 – Present (cid:127) Led sales operations and team performance. (cid:127) Developed strong communication, p

ExpertEnglish

Labeling Experience

Expert AI Training & RLHF Evaluator

ImageRLHF
Scope & Tasks: Conducted multi-turn RLHF (Reinforcement Learning from Human Feedback) evaluations for frontier LLMs. The project focused on ranking model responses based on truthfulness, reasoning depth, and instruction-following. Specific Activities: Comparative Analysis: Ranked dual model outputs by identifying subtle hallucinations and logical fallacies. Creative & Technical Writing: Authored high-quality prompts and model responses to establish "gold standard" training data. Adversarial Testing: Performed red-teaming to stress-test model safety and alignment with global ethical guidelines. Linguistic Precision: Performed complex tasks in both English and Brazilian Portuguese, ensuring cultural nuances and grammar were flawless. Quality Measures: Adhered to strict 100+ page guideline documents, maintaining a high acceptance rate through detailed, evidence-based rationales for every evaluation.

Scope & Tasks: Conducted multi-turn RLHF (Reinforcement Learning from Human Feedback) evaluations for frontier LLMs. The project focused on ranking model responses based on truthfulness, reasoning depth, and instruction-following. Specific Activities: Comparative Analysis: Ranked dual model outputs by identifying subtle hallucinations and logical fallacies. Creative & Technical Writing: Authored high-quality prompts and model responses to establish "gold standard" training data. Adversarial Testing: Performed red-teaming to stress-test model safety and alignment with global ethical guidelines. Linguistic Precision: Performed complex tasks in both English and Brazilian Portuguese, ensuring cultural nuances and grammar were flawless. Quality Measures: Adhered to strict 100+ page guideline documents, maintaining a high acceptance rate through detailed, evidence-based rationales for every evaluation.

2023 - Present

Education

E

Estácio de Sá

Bachelor, computer science

Bachelor
2024 - 2026

Work History

V

VIVO - Commcenter

Seller management.

Porto Ferreiras
2024 - Present