Eduardo Perez

Siri Voice Assistant Project: Enhancing User Interactions with Voice Commands

During my role as a QA UX Analyst on the Siri team at Apple, I gained valuable hands-on experience in user research, usability testing, and design analysis. This work was a cornerstone in my UX journey, especially now that I have completed my master's degree in HCI. This project allowed me to bridge the gap between theory and practice, contributing to key refinements in the voice interface and enhancing the overall user experience of Siri across Apple’s ecosystem.

Project Overview

Siri is already a robust voice assistant, but this project focused on improving the natural flow of interactions and refining user feedback. My work helped further optimize how users engage with voice commands across different Apple devices, ensuring that interactions felt intuitive and consistent. Reflecting on this now, after completing my academic journey in HCI, I see how this experience deepened my practical understanding of design thinking and user-centered design principles.

UX Process: User Research & Interface Testing

My process involved conducting usability testing and data analysis with Apple’s cross-functional teams. We tested Siri’s performance across various Apple devices, like iPhones, iPads, and HomePods, and gathered user insights to improve interaction consistency and usability. Now, with my deeper academic knowledge, I realize how integral those real-time research skills were to refining Siri’s interface, even as technology continues to evolve.

Key Insights from User Testing

My Role in the Process

As a QA UX Analyst, I focused on evaluating user interactions and providing feedback to guide design decisions. I supported usability testing and data collection, working closely with cross-functional teams to propose improvements that aligned with both user needs and Apple’s high design standards. Now that I have a stronger theoretical foundation from my HCI studies, I can look back on this experience as an essential step in my growth as a designer, where I gained practical skills that I now enhance with academic insights.

Working in a Confidential Environment

Much of the work I performed on this project involved proprietary systems and sensitive internal processes, which naturally limits what I can showcase here visually. However, the focus of my role was deeply rooted in user research, iterative testing, and refining the user experience, which shaped my ability to tackle complex design challenges with practical, real-world constraints in mind.

Final Thoughts & Future Opportunities

This project was an essential chapter in my journey as a UX designer. Now, with my master’s degree in HCI complete, I am eager to continue bridging the gap between practical design work and academic theory. As voice interfaces and AI evolve, I am excited to bring this blend of hands-on experience and scholarly knowledge to future projects, ensuring that user interactions remain seamless and enjoyable in our increasingly digital world.