Resume

Greddys Martínez

Senior Product Designer | AI-Driven UX | Enterprise SaaS

greddysmartinez5@gmail.comMalaga, Spainwww.be.net/greddysmartinezlinkedin.com/in/greddysmartinez

Senior Product Designer with 10+ years of experience certified in User Experience with recognition in interaction design by the NN/Group. Designing enterprise B2B experiences across FinTech, HR, and HealthTech. Strong focus on bridging strategy and execution, leading research, aligning cross-functional teams, and shipping high-impact solutions in Agile environments.

Upwork Certified

User Interface Design

NN/Group Certified

Interaction Design

Career

Experience

Sr. Product Designer

ITX Corp | Client: Paychex (Nayya, Flock, E-Verify, Indeed)

Mar. 2021 – PresentMalaga, Spain (Remote)

›Shipping complex B2C SaaS workflows across Payroll, HR, Hiring, benefits, insurance, and retirement platforms (Fintech).
›Redesigning form flows based on research findings from user interviews, usability tests, and assisted testing, reducing completion time by 35%.
›Reducing support tickets by 500+ and support call volume by 9,000+ calls per year through redesigned HR and hiring flows.
›Designing and launching AI-powered features that improve user decision-making during enrollment.
›Contributing to exceeding the annual enrollment goal by 5,500 users by simplifying workflows.
›Making end-to-end design decisions for an enterprise HR platform with 2.3 million users.
›Building design systems using React.js components, ensuring consistency on mobile and desktop.
›Using AI tools like Copilot, Lovable, Claude, and ChatGPT throughout the workflow to synthesize research, generate early concepts, and prototype quickly.

B2C SaaSAI FeaturesDesign SystemsResearchReact.js

UX/UI Designer

Alquilando S.A. | Client: PropTech Marketplace

Mar. 2019 – May. 2021Buenos Aires, Argentina (Remote)

›Designing and shipping end-to-end UX/UI solutions for a PropTech startup building a large-scale real estate platform serving the LATAM market.
›Established the company's user-centric foundation through Alan Cooper-inspired personas.
›Built a component system from scratch based on Google Material Design standards.
›Delivered high-fidelity UI designs and interactive prototypes, reducing implementation ambiguity and accelerating developer handoffs.

PropTechB2CMaterial DesignUI SystemsEmail HTML/CSS

Freelance UX / UI Designer

Studio Hakuna | Client: Paramount App LATAM

Dec. 2019 – May. 2020Buenos Aires, Argentina (Remote)

›Conducted UX research to understand audience needs and behaviors for the Paramount App LATAM.
›Redesigned existing platform features, improving usability and overall user engagement.
›Developed wireframes, prototypes, and high-fidelity UI designs balancing user needs with business goals.

StreamingLATAMUX ResearchPrototypingUI Design

UX/UI Designer

Elevation | Client: Web Solutions for Nonprofits

Jan. 2017 – Feb. 2019Buenos Aires, Argentina (Hybrid)

›Delivered end-to-end UX/UI design across multiple nonprofit clients simultaneously.
›Designed and optimized e-commerce experiences for nonprofit fundraising platforms.
›Created marketing assets including HTML/CSS emails, brochures, and campaign materials.

NonprofitsB2BB2CAccessibilityFundraising

Capabilities

Skills

Design

Scalable design systemsComponent adoptionPattern definitionDesign tokensFigma librariesAccessibility StandardsAI Product DesignEnterprise UXB2B & B2C Products

Research

Competitive AnalysisQualitative & Quantitative ResearchUser ResearchUsability TestingSurveysHeuristic EvaluationUser InterviewsInformation ArchitecturePersonas