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Leticia Quintana

UX Researcher & Content Designer

Phoenix, Arizona

602-880-1972

E: leti.quintana@icloud.com

  • Digital Product Design

    • Figma, Adobe CS, XD, Axure RP, Miro, Sketching, Graphic Design, Illustration, Design Systems, Wireframing, Prototyping, UI/Interaction Design

    Web Development & Data

    • HTML, CSS, R, Python, SQL, JSON, YAML, Data Visualization

    Project Management

    • Slack, ClickUp, Zoom, GitHub, Google Suite, Microsoft 365

    Usability Research

    • Contextual Inquiry, Research (Quantitative & Qualitative), Task Analysis, Cognition, Interviews, Personas, Affinity Diagrams, Journey Mapping, User Flows, Information Architecture, Usability Testing, A/B Testing, Accessibility, Behavioral Analytics, Heuristic Evaluation, Service Design, Storyboarding, Ideation, Problem Framing

    Artificial Intelligence

    • Conversational Design, Prompt Engineering, Natural Language Processing (NLP), Red-Teaming, Ethics, LLaMA, Mistral-7B, Gemini

  • E-Solutions | San Jose, CA | NDA (Non-Disclosure Agreement) Contract

    • Collaborated with cross-functional teams to fine-tune and enhance Large Language Model (LLM) performance in natural language understanding, problem-solving, and task automation.

    • Engineered context, prompts, and multi-turn conversational flows across natural language, math, Markdown, JSON, YAML, HTML, and Python, improving functionality.

    • Crafted adversarial utterances to strengthen the model's instruction-following abilities and identify vulnerabilities through red-teaming exercises.

    • Utilized few-shot and one-shot examples, improving the model’s learning efficiency and reducing training time.

    • Leveraged cognitive principles and secondary research to expand the model's skillset and improve accessibility, including text-to-speech functionality.

    • Developed taxonomies, ontologies, and annotation guidelines to ensure quality, uniqueness, and variety of content.

    • Consulted on UI/UX tool enhancements, resulting in a 25% increase in annotator productivity.

    • Engaged in RLHF (Reinforcement Learning from Human Feedback) to align the model with human preferences in tasks such as intent detection, entity extraction, classification, and transformation.

    • Advised on ethical AI principles for content guidelines, adhering to UNESCO standards.

  • Cognizant | Mesa, AZ | NDA Contract

    • Synthesized various sources of information and applied technical writing skills to create clear, engaging, and grounded model responses to user prompts.

    • Crafted 1000+ short-form and long-form content, meticulously adhering to rigorous style guidelines, including formatting, voice, and tone, tailored to the specific requirements for different content types.

    • Reviewed, edited, and annotated model responses, enhancing accuracy and relevance.

    • Exceeded production goals while maintaining a quality score of 90% or higher, ensuring a high standard of excellence.

    • Delivered presentations covering key principles for ethical AI and new content guidelines.

  • Healing Hand Tech | Ireland | Internship

    • Led user experience research discovery for a stroke, upper-limb rehabilitation device, game, and EHR system, including accessibility research on stroke patients' motivation, cognition, and executive function.

    • Researched remote Occupational Therapists' needs, addressing HIPAA compliance, scheduling, documentation, follow-up processes, and identifying billable medical codes, driving increased therapist adoption.

    • Conducted competitive analysis and benchmarking, aligning the product with market trends.

    • Conducted surveys, usability interviews, cognitive walkthroughs and task analysis, to gather qualitative and quantitative data on user behaviors and identify areas for improvement.

    • Developed wireframes and a library of reusable UI components in Figma, incorporating Material Design and accessibility guidelines to improve consistency and inclusivity.

    • Contributed to cross-functional team meeting meetings and on ClickUp, improving team coordination and ensuring productive project management.

  • Experis | Tempe, AZ | NDA Contract

    • Coordinated 200+ usability sessions for cutting-edge Virtual Reality/Augmented Reality (VR/AR) product.

    • Operated headsets, cameras, eye trackers, and motion capture sensors to collect rich multimodal data.

    • Handled participant recruitment, screening, onboarding, and off boarding.

    • Securely transferred all session data to Quality Assurance and documented findings in Excel.

    • Troubleshot software (Python), hardware connectivity, and operating system compatibility issues.

  • Arizona State University | Tempe, AZ | Contract

    • Assisted the Principal Investigator with user experience testing, verfication, and validation for PERLS (PERVasive Learning System), a scalable e-learning cloud application developed in partnership with the U.S. Department of Defense (DoD).

    • Recruited, scheduled, and onboarded 14 research participants who met DoD criteria.

    • Designed and conducted user interviews, task analysis, surveys, and heuristic evaluations.

    • Refined user flows in Figma to improve system information architecture, usability, and overall effectiveness.

    • Implemented microlearning principles by ensuring content would intuitively guide teachers to deliver focused information and prevent exceeding course timeline.