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Portfolio · 2025

18+ years turning complex systems into clear experiences — Enterprise UX, DesignOps, Accessibility & AI-augmented product.

18+years
80%adoption lift
70%a11y reduction
1.5kmetaverse visitors
Dario Espinosa
// dario-espinosa · san-cristobal-mx

Experience across
industries & scales

Enterprise UX leadership, design systems, accessibility, and AI — from telecom to spatial computing.

TETRA BlendSense app — Options panel
ai-workflowproduct-designml-uxcurrentenergy
00 / 09
Replacing Legacy Tools: AI-Powered Blend Optimizer

Replacing a decades-old Excel model with an ML-driven web app — letting Plant Operations Managers optimize oil-well fluid formulas in minutes instead of hours. Designed using an AI-assisted prototyping workflow (Claude), reaching React-ready fidelity at v7.

Excelreplaced
1–2mML response
v7prototype iterations
energy-services · TETRA Technologies · in progress
VIRTU4L — VR Center hero
brand-designweb-devmarketingai-toolsentertainment
✦ personal
VIRTU4L · Personal Business · Tuxtla Gutiérrez MX
VIRTU4L — Brand, Website & AI-Powered VR Business

Founding and building Chiapas' first VR center from scratch — complete brand identity, multi-page website, online quoter wizard, digital marketing system, AI game assistant, and AI avatar creation.

150+VR games
5+site pages
AIassistant built
personal-business · founder · vibe-coded
VOS — VIRTU4L Operations System UI
slack-bot node-js ai-agent vibe-coded entertainment
01 / 08
VIRTU4L · Personal Project · Chiapas MX
VOS — VIRTU4L Operations System with Local AI

A Slack-native operations brain for a real-world VR venue — daily checklists, reservations, sales tracking, and Dasha, an AI assistant running locally that handles what the team would otherwise forget.

293tests passing
4slack channels
0public urls
personal-project · vibe-coded · ai-native
NielsenIQ Discover dashboard UI
ux-strategydesignopsagileanalytics
02 / 08
Revolutionizing Data Insights: Dashboard Redesign

Improved feature delivery speed by 30% and cut UX bugs in half — by introducing Double Track Agile and a consolidated Figma design system to a burned-out team.

+30%delivery speed
−50%UX bugs
+25%satisfaction
analytics-saas · 6 months
Siemens TrainGuard BOS login UI
enterprise-uxdesign-systemwcagtransportation
03 / 08
Modernizing Railway Systems: Back Office Overhaul

Reduced operator task time by 40% and onboarding time by 60% — redesigning a safety-critical legacy C++ system with a component-driven Figma + Flutter design system.

−40%task time
−60%onboarding
100%wcag 2.1 AA
rail-transport · solo lead
AT&T AEM eCommerce UI
telecomecommerceaccessibilitytelecommunications
04 / 08
Digital Transformation: AEM & eCommerce Evolution

Boosted online sales by 500% and reached 96% accessibility compliance — leading AT&T México’s 15-year digital transformation through AEM and a complete eCommerce redesign.

+500%online sales
96%accessibility
2020intl award
telecom · 15 years
OolaLife platform UI
life-coachinggamificationmobile-firsthealth & wellness
05 / 08
From Philosophy to Digital Engagement: Life Coaching Platform

Increased user retention by 40% and engagement by 55% — turning a philosophy book into a mobile-first platform during a COVID-driven pivot in under 5 months.

+40%retention
+55%engagement
~50interviews
life-coaching · covid pivot
Take Command Health UX UI
healthcare-saasux-coeaccessibilityhealthcare
06 / 08
Building a UX Powerhouse: Center of Excellence

Improved design-to-dev efficiency by 50% and user adoption by 80% — building a complete UX CoE from scratch in a regulated healthcare environment.

+50%dev efficiency
+80%user adoption
0→CoEbuilt from zero
healthcare-saas · regulated env
SoftServe Metaverse experience UI
metaversexrspatial-designtechnology
07 / 08
Exploring the Future: Metaverse Experience

Attracted 1,500+ virtual visitors — designing a fully navigable immersive exhibition for a major European tech convention in 4 months using Spatial + Unity.

1,500+visitors
4 modelivery
EUconvention
spatial · unity · metaverse
Procore UX research ops UI
construction-saasresearch-opsaiconstruction
08 / 08
Optimizing User Research at Scale

Cut research turnaround by 50% and drove cross-team adoption of UX methodology — building scalable research guidelines and AI-assisted synthesis workflows across product verticals.

−50%turnaround
AIsynthesis
x-teamadoption
construction-saas · cross-team · ai-assisted

Older work & concepts

Freelance, startup, and concept work — 2017–2021.

Tycan
concept · 2020
Driving Conversions: EV Launch Page
Conversion-first landing page concept for an electric luxury sedan launch.
Daily Bot
mvp research · 2021
Automating Customer Interaction: eCommerce Chatbot MVP
MVP research & product design for an online cosmetics chatbot assistant.
Zafyro
mobile ui · 2021
Custom Plan, Zero Friction: Telecom UI Concept
High-fidelity mobile UI concept — configurable telecom plan, pay only for SIM activation.
YAIWA
product design · 2017
From Identity to Shelf: Smartphone Brand & Packaging
Complete brand identity system and unboxing experience for a consumer smartphone launch.
Walking Dog
poc · 2021
Product Catalog Redesign: Smartphones & Accessories
Dog-walking marketplace POC with business model validation.
Kasuva
startup · 2017
Connecting Businesses: B2B Marketplace Redesign
Co-founded & designed a LATAM B2B marketplace from scratch.

Turning system complexity
into human clarity

Multidisciplinary Experience Designer with 18+ years leading UX strategy, product design, and design systems for enterprise-scale digital products — from startups to Fortune 500 companies.

My work sits at the intersection of user research, business strategy, and technical execution. I specialize in transforming complex legacy systems into intuitive products that drive measurable outcomes.

Based in Chiapas, MX. Recognized with the 2020 AT&T Accessibility in Action Award for inclusive design at national scale. Currently at SoftServe spanning healthcare, construction SaaS, analytics, and emerging tech (XR / Metaverse).

Design Systems
95
Accessibility / WCAG
93
Figma / Prototyping
96
UX Research
91
DesignOps
88
AI-Augmented UX
81
Spatial / XR Design
74

Work History

2025
→ now
SoftServe
Experience Design Lead
Jan 2025 – present
2022
→ 2025
SoftServe
Senior User Experience Designer
Jun 2022 – Jan 2025
2021
→ 2022
3Pillar Global
Lead User Experience Designer
Jul 2021 – Jun 2022
2020
→ 2021
3Pillar Global
Senior UX Designer · Software Eng. IV
Nov 2020 – Jul 2021
2019
→ 2020
AT&T México
Web & eCommerce Manager
Apr 2019 – Nov 2020
2017
→ 2019
AT&T México
UX·UI, Accessibility & AEM Design Lead
Jan 2017 – Apr 2019
2015
→ 2017
AT&T México
Web Designer · Digital Marketing
Jan 2015 – Jan 2017
2013
→ 2015
Nextel de México
Web / Wap Developer
Jan 2013 – Jan 2015
2007
→ 2013
Latin3 · Alog3no · Freelance
Developer · Designer · Founder
// available for opportunities
Let’s build something remarkable.