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Renan Marinho

Renan Marinho

Expert in LLM evaluation, Data annotation, Translation, EN PT-BR speaker

Brazil flagFortaleza, Brazil
$5.00/hrExpertAppenClickworkerCrowdsource

Key Skills

Software

AppenAppen
ClickworkerClickworker
CrowdSourceCrowdSource
MindriftMindrift
OneFormaOneForma
RemotasksRemotasks
Scale AIScale AI
SuperAnnotateSuperAnnotate
TolokaToloka
TelusTelus
Internal/Proprietary Tooling

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
Geospatial Tiled ImageryGeospatial Tiled Imagery
TextText

Top Task Types

Audio Recording
Fine Tuning
Geocoding
Transcription
Translation Localization

Freelancer Overview

I am qualified for data annotation roles because I combine strong academic training with hands-on AI data experience. I have worked on annotation, transcription, and translation projects following strict quality guidelines. I am fluent in Portuguese and English, with strong proficiency in Spanish, enabling accurate multilingual work. I also bring strong analytical skills and familiarity with digital and language technologies.

ExpertEnglishSpanishPortuguese

Labeling Experience

Audio transcriptor - OneForma

Internal Proprietary ToolingAudioEvaluation RatingAudio Recording
Audio transcription and tuning to improve AI recognition of speech

Audio transcription and tuning to improve AI recognition of speech

2025 - 2025

Ads Quality Rater - Welocalize

Internal Proprietary ToolingImageClassificationQuestion Answering
Evaluating the quality of Ads, including videos, images and texts.

Evaluating the quality of Ads, including videos, images and texts.

2024 - 2025

Maps Search Evaluator - OneForma

Internal Proprietary ToolingGeospatial Tiled ImageryPolygonSegmentation
Maps annotation project but also included image and video annotation, as well as audio recording labelling

Maps annotation project but also included image and video annotation, as well as audio recording labelling

2023 - 2025

Education

I

IEL-CE

Diploma, Software Developing

Diploma
2025 - 2026
C

Ceará State University

Bachelor's Degree, Geography

Bachelor's Degree
2019 - 2024

Work History

O

OneForma

Audio transcriber

Fortaleza
2025 - 2025
W

Welocalize

Ads Rater

Fortaleza
2023 - 2025