Agustin Marcelo Catalano Martins

Key Skills

Software

Other

Appen

Clickworker

CrowdFlower

Google Cloud Vertex AI

OneForma

Mindrift

Scale AI

Surge AI

Telus

Top Subject Matter

AI content evaluation and language model training

AI training

business communication

Top Data Types

Text

Computer Code Programming

Video

Top Task Types

Text Generation

Prompt + Response Writing (SFT)

Evaluation/Rating

Computer Programming/Coding

Data Collection

Freelancer Overview

Freelance AI Trainer & Content Auditor | CrowdGen by Appen. Brings 1+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Appen, Other, and SIGMA.AI. Education includes Bachelor of Computer Science, N/A (2026). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Text Generation.

Labeling Experience

Technical Verification - SIGMA.AI & Outlier

Text

I completed rigorous skill verification and technical assessments for SIGMA.AI and Outlier data annotation platforms. My responsibilities included evaluating data annotation accuracy, technical problem solving, and troubleshooting training datasets. This experience contributed to the optimization of platform processes and annotation quality. • Demonstrated proficiency in multi-turn and abstract reasoning tasks. • Ensured client requirements for data labeling accuracy were met. • Supported platform calibration for technical evaluations. • Enhanced process efficiency for annotation workflows.

I completed rigorous skill verification and technical assessments for SIGMA.AI and Outlier data annotation platforms. My responsibilities included evaluating data annotation accuracy, technical problem solving, and troubleshooting training datasets. This experience contributed to the optimization of platform processes and annotation quality. • Demonstrated proficiency in multi-turn and abstract reasoning tasks. • Ensured client requirements for data labeling accuracy were met. • Supported platform calibration for technical evaluations. • Enhanced process efficiency for annotation workflows.

2026 - Present

Freelance Junior Journalist & AI Contributor | RemoteCreator

OtherTextText Generation

I contributed to the creation and refinement of structured text-based data for use in AI training. My role required critical evaluation of AI-generated outputs and structured curriculum development for freelance and business contexts. I worked closely with other professionals to ensure data readiness and relevance for training large language models. • Engaged in prompt and response writing for SFT. • Provided detailed feedback to improve AI models. • Coordinated on curriculum and platform development for freelancers in AI training. • Assisted in aligning training data with business objectives.

I contributed to the creation and refinement of structured text-based data for use in AI training. My role required critical evaluation of AI-generated outputs and structured curriculum development for freelance and business contexts. I worked closely with other professionals to ensure data readiness and relevance for training large language models. • Engaged in prompt and response writing for SFT. • Provided detailed feedback to improve AI models. • Coordinated on curriculum and platform development for freelancers in AI training. • Assisted in aligning training data with business objectives.

2026 - Present

Freelance AI Trainer & Content Auditor | CrowdGen by Appen

AppenText

As a Freelance AI Trainer & Content Auditor with CrowdGen by Appen, I evaluated and audited sensitive content to ensure the highest data quality for machine learning model training. My work included executing complex assessments involving abstract reasoning and numerical series analysis. Using the Uolo V2 platform, I consistently maintained high precision and reliability. • Achieved a 90% accuracy score on the Uolo V2 Qualification Quiz. • Focused on evaluating multilingual and sensitive content datasets. • Responsible for both content quality assurance and structured feedback tasks. • Adhered to strict data privacy and labeling guidelines.

As a Freelance AI Trainer & Content Auditor with CrowdGen by Appen, I evaluated and audited sensitive content to ensure the highest data quality for machine learning model training. My work included executing complex assessments involving abstract reasoning and numerical series analysis. Using the Uolo V2 platform, I consistently maintained high precision and reliability. • Achieved a 90% accuracy score on the Uolo V2 Qualification Quiz. • Focused on evaluating multilingual and sensitive content datasets. • Responsible for both content quality assurance and structured feedback tasks. • Adhered to strict data privacy and labeling guidelines.

2026 - Present

Education

Work History