Santiago Pérez P

Quality Assurance Reviewer for a human-feedback program focused on visual design and AI model quality.
• Review expert-produced design deliverables against a structured rubric and quality standards, making consistent, criteria-based judgments.
• Return work for correction and write clear, actionable feedback on deliverables that fail or come close to failing a quality check.
• Apply UX and UI desi

• Evaluate 20+ UX, design system, and UX research deliverables per week from advanced AI model outputs, providing structured feedback that shapes how models learn and reason about design.
• Improved final client acceptance rate by 23% through consistent, high-signal evaluation feedback and rubric refinement.
• Delivered 400+ evaluations to date with sustained accuracy, contributing training data t

• Specified data requirements across 12–15 tracking events and data models every 2 months, partnering with data engineering to shape reporting infrastructure for multi-market campaigns.

• Delivered 12–15 performance reports per quarter that drove budget reallocation and spend-shift decisions across creative assets and media buys.

• Applied product analytics methods, funnels, cohorts, and A/B thi

• Drove a 37% usability improvement on revenue-critical flows through information architecture redesign, interaction design, high-fidelity prototyping, and iterative usability testing.

• Shipped 4 AI-driven features end-to-end — auto-completion, in-app agents, workflow automations, and a smart importer from competing accounting software — reaching 70% user adoption within 2 months of launch.

• C

• Designed and launched 50+ screens on iOS and Android with full feature parity to web, serving 100K+ SMBs and reaching Top 20 accounting apps in Latin America.

• Led a 12-person cross-functional team to deliver 8+ events and campaigns, coordinating marketing, logistics, and external stakeholders.

• Improved project completion by ~22% and team productivity by ~61% (internal estimates) through agile rituals and strategic task allocation.

• Mentored 6 junior designers through weekly reviews, skill-building sessions, and project feedback.

• Directed campaign and landing-page design across all organizational initiatives, ensuring visual consistency across 8+ events per year.

• Built and maintained the organization's shared design system, shipping 10–15 reusable components and templates adopted by the full design team.

The program covers a wide range of specialized activities, such as user interface (UI) design, interaction design best practices, wireframing, information architecture (IA), user experience (UX) research methods, product prototyping, usability testing, data-driven design and front-end web development.

Apr 2026

Apr 2023

Mar 2023