Juliana S.

Key Skills

Software

Appen

Other

Top Subject Matter

Online Ads

Content Moderation

Prompt Engineering

Top Data Types

Text

Document

Top Task Types

Prompt + Response Writing (SFT)

Freelancer Overview

Freelance Ad Evaluator (Appen). Brings 23+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Appen and Other. Education includes Master of Business Administration, CS Academy (2025) and Master of Business Administration, Fundação Getúlio Vargas (2020). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Prompt + Response Writing (SFT).

Labeling Experience

Freelance Ad Evaluator (Appen)

AppenText

Worked as a freelancer under commercial contracts with Appen, performing tasks on an online platform involving ad evaluation. Main responsibilities included reviewing and rating online ads to ensure relevance and quality. Demonstrated attention to detail, consistency, and adherence to guidelines while providing feedback for AI systems. • Evaluated ads based on project-specific criteria • Utilized Appen's internal/proprietary online platform • Maintained data quality and accuracy for training datasets • Followed strict confidentiality and ethical standards.

2023 - 2025

AI Prompt Engineering Trainee

OtherTextPrompt + Response Writing (SFT)

Completed a course on prompt engineering and dialoguing with AI, involving hands-on training and writing prompts for LLM/chatbot systems. Focused on structuring, evaluating, and refining prompts for clarity, accuracy, and end-user engagement. Gained skills in prompt adaptation for different industries and use cases. • Practiced prompt formulation for generative AI • Assessed and improved AI outputs through prompt adjustment • Applied prompt-writing strategies to diverse subject matter • Incorporated user feedback into ongoing prompt refinement.

2023 - 2024

Education

Work History