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Bruno Azevedo

Senior Full Stack Engineer ( 2 years Exp in AI training in Revelo)

Brazil flagRio de Janeiro, Brazil
$30.00/hrExpertLabel StudioScale AISurge AI

Key Skills

Software

Label StudioLabel Studio
Scale AIScale AI
Surge AISurge AI

Top Subject Matter

Software Engineering
PR Review Automation
Natural Language Processing

Top Data Types

TextText
DocumentDocument

Top Task Types

Text Summarization
Data Collection

Freelancer Overview

AI Trainer – PR-Writer Project (Revelo). Brings 11+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Label Studio, Scale AI, and Surge AI. Education includes Bachelor of Science, Federal University of Rio de Janeiro (2016) and Non-Degree Studies, Kanazawa University (2014). AI-training focus includes data types such as Text, Computer Code, and Programming and labeling workflows including Text Summarization, Computer Programming, and Coding.

ExpertEnglish

Labeling Experience

Label Studio

AI Trainer – Behavioral Data Architecture Project (Revelo)

Label StudioTextData Collection
Designed scalable behavioral data collection frameworks and managed annotation pipelines for multi-turn conversational AI training. Structured data architecture decisions around schema, taxonomy, and storage for large-scale labeled datasets. Aligned outputs with model evaluation benchmarks and acceptance criteria. • Implemented frameworks for annotating complex conversational data. • Developed schemas and label taxonomy for optimal data storage. • Coordinated pipeline creation with engineering and ML teams. • Ensured labeled datasets met model training and safety goals.

Designed scalable behavioral data collection frameworks and managed annotation pipelines for multi-turn conversational AI training. Structured data architecture decisions around schema, taxonomy, and storage for large-scale labeled datasets. Aligned outputs with model evaluation benchmarks and acceptance criteria. • Implemented frameworks for annotating complex conversational data. • Developed schemas and label taxonomy for optimal data storage. • Coordinated pipeline creation with engineering and ML teams. • Ensured labeled datasets met model training and safety goals.

2024 - 2026
Label Studio

AI Trainer – Behavioral Data Debugging Project (Revelo)

Label StudioText
Analyzed and debugged model behavioral data to identify unsafe outputs, inconsistencies, and annotation errors in LLM pipelines. Ranked model responses on helpfulness, harmlessness, and honesty for RLHF datasets. Enabled targeted retraining and rubric refinement through systematic error tracing. • Conducted behavioral data audits and error pattern detection. • Ranked LLM outputs for RLHF training cycles. • Collaborated in refining training and evaluation rulesets. • Supported data correction loops for enhanced model performance.

Analyzed and debugged model behavioral data to identify unsafe outputs, inconsistencies, and annotation errors in LLM pipelines. Ranked model responses on helpfulness, harmlessness, and honesty for RLHF datasets. Enabled targeted retraining and rubric refinement through systematic error tracing. • Conducted behavioral data audits and error pattern detection. • Ranked LLM outputs for RLHF training cycles. • Collaborated in refining training and evaluation rulesets. • Supported data correction loops for enhanced model performance.

2024 - 2026
Label Studio

AI Trainer – IaC Annotation Project (Revelo)

Label Studio
Annotated Infrastructure-as-Code scripts for semantic correctness, security, and best-practice compliance to support AI model training. Defined labeling schemas for various IaC resource types and configuration intents with domain experts. Detected and escalated code snippet misclassifications to improve annotated dataset integrity. • Labeled scripts in Terraform, Ansible, and CloudFormation. • Specified dependency mappings and configuration intent in code datasets. • Conducted code-level quality assurance and schema validations. • Communicated with subject matter experts to develop precise labeling protocols.

Annotated Infrastructure-as-Code scripts for semantic correctness, security, and best-practice compliance to support AI model training. Defined labeling schemas for various IaC resource types and configuration intents with domain experts. Detected and escalated code snippet misclassifications to improve annotated dataset integrity. • Labeled scripts in Terraform, Ansible, and CloudFormation. • Specified dependency mappings and configuration intent in code datasets. • Conducted code-level quality assurance and schema validations. • Communicated with subject matter experts to develop precise labeling protocols.

2024 - 2026
Label Studio

AI Trainer – PR-Writer Project (Revelo)

Label StudioTextText Summarization
Labeled and curated thousands of pull request descriptions to train NLP models for auto-generating PR summaries and classifying code changes. Developed annotation guidelines, validated model outputs, and reduced disagreement by standardizing decision frameworks. Contributed to both manual and automated quality assurance workflows for technical document labeling. • Curated training sets for PR summarization and intent classification. • Established and documented annotation protocols for consistent labeling. • Validated AI-generated outputs for hallucinations and factual correctness. • Collaborated with teams to ensure high-quality data for LLM fine-tuning.

Labeled and curated thousands of pull request descriptions to train NLP models for auto-generating PR summaries and classifying code changes. Developed annotation guidelines, validated model outputs, and reduced disagreement by standardizing decision frameworks. Contributed to both manual and automated quality assurance workflows for technical document labeling. • Curated training sets for PR summarization and intent classification. • Established and documented annotation protocols for consistent labeling. • Validated AI-generated outputs for hallucinations and factual correctness. • Collaborated with teams to ensure high-quality data for LLM fine-tuning.

2024 - 2026

Education

F

Federal University of Rio de Janeiro

Bachelor of Science, Computer Science

Bachelor of Science
2014 - 2016
K

Kanazawa University

Non-Degree Studies, Computer Science

Non-Degree Studies
2012 - 2014

Work History

I

Independent

Senior Full-Stack Engineer

Rio de Janeiro
2022 - Present
C

Clerk

Full-Stack Engineer

N/A
2019 - 2021