Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I take products from discovery to delivery: shaping requirements with PMs, running research with real users, building design systems, and shipping features that move business metrics. I think in systems and speak engineering's language. I use AI tools daily to speed up research, exploration, and iteration. Based in Switzerland with a valid B permit.…

Elena Perez

UX Designer, Web Designer, Product Designer, +3





I take products from discovery to delivery: shaping requirements with PMs, running research with real users, building design systems, and shipping features that move business metrics. I think in systems and speak engineering's language. I use AI tools daily to speed up research, exploration, and iteration. Based in Switzerland with a valid B permit.…

Available to hire

I take products from discovery to delivery: shaping requirements with PMs, running research with real users, building design systems, and shipping features that move business metrics.

I think in systems and speak engineering’s language. I use AI tools daily to speed up research, exploration, and iteration. Based in Switzerland with a valid B permit.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Spanish; Castilian

Fluent

French

Intermediate

German

Intermediate

Work Experience

Lead UX Designer at HyperIn Oy

October 1, 2023 - Present

Sole UX Designer leading end-to-end experiences for B2B intranet (Manage, web), Mobile Intranet (B2B, Flutter), and Loyalty apps (B2C, native + Flutter). Balanced new feature delivery with legacy improvements, aligning design with business goals. - Shipped 5 new features and redesigned key workflows across B2B/B2C products. - Ran usability studies (~20 users each), validating ~80% of features pre-release. - Built and maintained 2 design systems (30+ components), reducing UI inconsistencies ~25% and handoff time ~30%. - Delivered prototypes and specs in Jira, reducing rework and accelerating delivery.

XR Interaction Designer at Double Point

March 1, 2023 - August 31, 2023

Explored smartwatch-based input as a new AR/VR interaction paradigm, combining company research with M.Sc. thesis work. - Designed and iterated 2 Unity prototypes, testing comfort, accuracy, and natural gestures. - Conducted usability studies with 20 participants in 5 weeks, informing XR design decisions. - Produced guidelines that improved task performance and shaped future XR directions.

UX & Product Consultant at Freelance / Europe

March 1, 2022 - March 1, 2023

Partnered with startups and SMEs to improve internal tools and digital products through UX design and strategy. - Redesigned employee surveys, boosting response rates by ~35%. - Delivered wireframes and prototypes in Figma, validated iteratively with clients. - Conducted usability testing and design iterations that drove +15–20% higher activation rates. - Advised founders on UX priorities aligned with business KPIs.

Dashboard Designer at Empresarios Agrupados

October 1, 2021 - March 1, 2022

Designed cybersecurity dashboards to transform complex data into usable insights for enterprise analysts. - Created data visualizations that reduced analysis time by ~40%. - Improved prioritization of incidents, enabling analysts to detect +20% more critical cases. - Delivered prototypes, dashboards and documentation adopted by operations and cross-functional teams.

Full-Stack Developer at Accenture

February 1, 2021 - August 31, 2021

Combined prototyping, development, and user research to build a cybersecurity training app following agile principles. - Prototyped a web service from research applying design, responsive and accessible principles to improve usability. - Conducted user testing and debugging, ensuring smooth performance and intuitive user flows. - Developed a functional service with Angular

XR Interaction Designer

October 20, 2023 - Present

Developed AR/VR interaction methods and UX flows for XR projects; conducted usability studies; integrated AI into design workflows; produced two unit prototypes and contributed to design system evolution.

Lead Product Designer

March 20, 2022 - March 20, 2023

Led product design across B2B/B2C web & mobile platforms (Flutter, Vue + Quasar); defined and shipped features for Mobile Intranet, Manage, and Mobile Loyalty Apps; redesigned legacy workflows; built/maintained design systems; aligned UX with business metrics.

UX & Product Consultant

October 20, 2021 - March 20, 2022

Participated in product requirements meetings with PMs, sprint planning, and roadmap discussions; shaped requirements, UX strategy, and contributed to design systems and product strategy.