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L
Lando C.

Lando C.

AI Trainer

Chile flagValparaíso, Chile

Key Skills

Software

Data Annotation TechData Annotation Tech

Top Subject Matter

AI training data curation and response quality evaluation
LLM prompt engineering and supervised training content
Dataset labeling and structuring for AI training

Top Data Types

TextText
AudioAudio
DocumentDocument

Top Task Types

Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Data CollectionData Collection

Freelancer Overview

AI Trainer at Outlier AI (AI response evaluation). Brings 9+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Education, Pontificia Universidad Católica de Valparaíso (2007) and Diploma, Pontificia Universidad Católica de Valparaíso (2018). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Prompt + Response Writing (SFT).

Labeling Experience

AI Trainer at Outlier AI (data labeling and structuring)

TextTextData CollectionData Collection

Collected, labeled, and structured large datasets to optimize AI model learning. Worked across multiple modalities including text, images, and audio while ensuring the resulting dataset met training needs. Organized labeled data into usable formats for downstream model training and evaluation. • Labeled and structured dataset examples for model learning • Curated text, image, and audio data for training pipelines • Ensured data organization supported evaluation and iteration • Prepared datasets to reduce errors and improve training outcomes

2025 - Present

AI Trainer at Outlier AI (prompt and scenario creation)

TextTextPrompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Developed prompts, question-answer pairs, and conversation scenarios to train AI on specific tasks and industry requirements. Structured training materials to guide model behavior toward desired response formats. Contributed scenario design intended to improve consistency and usefulness of AI outputs. • Authored prompt sets and Q/A examples • Designed conversation scenarios for task-specific training • Prepared structured materials aligned with project guidelines • Helped ensure responses match expected tone and style

2025 - Present

AI Trainer at Outlier AI (AI response evaluation)

TextText

Evaluated the quality, precision, and coherence of AI-generated responses against project expectations. Performed analysis and scoring of model outputs to identify and correct errors while reducing bias. Provided feedback to align tone and style with guidelines and to support continual improvement of AI behavior. • Assessed responses for correctness, completeness, and guideline adherence • Scored outputs to quantify issues and drive revisions • Identified problematic or biased responses for reporting • Supported ethical AI development through quality review

2025 - Present

Education

A

Argentine Institute of Masculinities and Social Change / UNFPA

Course, Masculinities and Social Change

Course
2024 - 2024
N

N/A

Professional Course, Psychology and Psychoeducational Approach

Professional Course
2023 - 2023

Work History

S

Serpaj

Educational Tutor

Valparaíso
2025 - Present
F

Fundación Tierra de Esperanza

Program Director

Valparaíso
2018 - 2024