Gianluca Grassi
AI Product Designer & Prompt Engineer
AI Product Designer and Prompt Engineer with hands-on experience evaluating AI model outputs across text, code, images, and voice. Background in web design and front-end development, currently building AI products with Claude Code. Native Italian speaker, fluent in English.
Native Italian speakerFluent EnglishMultimodal evaluation: text, image, code, voiceDesign + technical background
Experience
AI Content Evaluator & Annotator
2025 to presentFreelance
- ›Rate AI-generated responses against structured rubrics across text, images, and code
- ›Catch hallucinations, inconsistencies, and reasoning errors under deadline
- ›Adapt evaluation criteria across multimodal task types, hundreds of responses in
AI Voice & Speech Evaluator
2025 to presentFreelance
- ›Compare pairs of AI-generated voice outputs on pronunciation, prompt adherence, and naturalness
- ›Flag audio artifacts and glitches through structured side-by-side review
- ›Deliver consistent, well-reasoned judgments across high volumes of audio pairs
Skills
AI Evaluation & RLHFData Annotation · Prompt Evaluation · Multimodal Evaluation · Rubric Design · Calibration · A/B Comparison · TTS / Audio QA
AI ToolsClaude Code (Expert) · Claude · ChatGPT · Midjourney · v0 · Cursor
DesignFigma · Framer
DevelopmentNext.js · React · TypeScript · Tailwind CSS · Node.js · Git · Vercel
Certifications
Claude Code · Anthropic (Skilljar)Completed
Google UX/UI Design · Google (Coursera)Completed
Education
Diploma, Web Design · Istituto Rizzoli, Milan2015
Languages
Italian (native), English (fluent)