For employers

Hire this AI Trainer

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

Invite to Job
Marlon Pereira

Marlon Pereira

LLM Evaluation and Text Generation Specialist in English & Portuguese

Brazil flagCaxias do Sul , Brazil
$50.00/hrIntermediateAppenClickworkerCrowdsource

Key Skills

Software

AppenAppen
ClickworkerClickworker
CrowdSourceCrowdSource
Data Annotation TechData Annotation Tech
EncordEncord
iMeritiMerit
LionbridgeLionbridge
TelusTelus
Other

Top Subject Matter

No subject matter listed

Top Data Types

ImageImage
TextText
VideoVideo

Top Task Types

Action Recognition
Classification
Emotion Recognition
Evaluation Rating
Prompt Response Writing SFT

Freelancer Overview

I bring a solid foundation in data labeling and AI training workflows, with hands-on experience contributing to the development of machine learning models through tasks such as content moderation, intent classification, named entity recognition, and ranking model completions. My attention to detail, critical thinking, and strong command of language enable me to consistently deliver high-quality annotations that improve model performance and alignment with human expectations. What sets me apart is my ability to quickly grasp complex instructions, apply nuanced judgment in ambiguous scenarios, and maintain consistency across large datasets. I have worked with structured guidelines, contributed to reinforcement learning pipelines (RLHF), and provided feedback on LLM outputs to help align responses with ethical and factual standards. My background also includes working on projects that required cultural sensitivity, multi-language fluency, and adherence to strict quality assurance benchmarks.

IntermediateEnglishSpanishPortuguese

Labeling Experience

Appen

Search Engine Evaluator

AppenTextClassification
Evaluate the accuracy of facebook ads

Evaluate the accuracy of facebook ads

2017 - 2018

Education

No Education added yet

Marlon P. hasn’t added any Education History to their OpenTrain profile yet.

Work History

No Work History added yet

Marlon P. hasn’t added any Work History to their OpenTrain profile yet.