Frontend Architecture Specialist
v2.4.1

Aleix Vidal, Senior Frontend Engineer specialized in scalable React architectures

Senior React Developer and Frontend Engineer with 12+ years in software engineering and 7+ years specializing in React and TypeScript.

Focused on designing maintainable frontend architectures for complex enterprise products, combining hands-on development with architectural thinking, scalable systems design and cross-team technical leadership.

React · TypeScript · Frontend Architecture · Design Systems · Performance Optimization

View selected workRead technical notes

Open to selected remote collaborations and high-impact technical opportunities.

terminalaleix@portfolio:~
$
_

Type 'help' for commands | Tab to autocomplete | Arrow keys for history

System Stats
12+
Years Exp
7+
React Exp
Scale
Focus
High
Quality
Scroll
about
~/portfolio/about
[LOG]profile_data.read()|timestamp: 2026-07-04

Building frontend systems with long-term thinking

I design scalable frontend architectures that remain maintainable, reliable and adaptable as products grow.

>I’m a Senior React Developer and Senior Frontend Engineer with 12+ years in software engineering and 7+ years specializing in React and TypeScript, working across complex enterprise environments where scalability and maintainability are critical.

>My work combines hands-on frontend development with architectural thinking: defining scalable UI systems, strengthening frontend foundations, improving technical standards, and helping teams build products aligned with long-term business goals.

>I have experience applying Domain-Driven Design concepts, Clean Architecture and SOLID principles, while contributing to design systems, developer mentoring, frontend consistency and cross-team technical leadership.

12+ Years
Software Engineering
7+ Years
React / TypeScript
Architecture
Core Focus
Status: Open to selected remote collaborations
Barcelona-based · Remote-first · Occasional on-site collaboration
projects
~/portfolio/projects

Selected work focused on architecture, systems and scalable product design

A curated selection of enterprise frontend work centered on scalable architecture, reusable systems and long-term product maintainability.

$ls -la/projects/
4 items
drwxr.
drwxr..
>cat enterprise-optimization-platform.sys

Enterprise Optimization Platform

Frontend architecture for a highly data-driven enterprise platform supporting operational optimization across multiple airline environments. Defined scalable UI foundations, architectural patterns and frontend standards in a mission-critical ecosystem where reliability and long-term maintainability are essential.

Next.jsReactTypeScriptReact QueryECharts
● active|id: SYS-001
>cat cross-product-design-system.pkg

Cross-Product Design System Library

Reusable design system ecosystem created to standardize UI consistency and accelerate delivery across multiple enterprise products. Designed scalable component foundations, shared UI patterns and Storybook-driven documentation to improve cross-team development efficiency.

ReactTypeScriptStorybookTailwind
● active|id: SYS-002
>cat frontend-architecture-foundations.core

Frontend Architecture Foundations

Scalable starter architecture designed to accelerate new product delivery while reinforcing technical standards, maintainability and long-term frontend consistency. Built reusable engineering foundations adopted as baseline architecture for multiple new initiatives.

Next.jsTypeScriptESLintVitest
● active|id: SYS-003
>cat enterprise-patent-platform.arch

Enterprise Patent Platform Architecture

Frontend architecture for large-scale enterprise software supporting complex patent registration workflows with heavy data flows and advanced state management requirements. Defined scalable architectural structures for mission-critical enterprise processes across distributed engineering teams.

ReactTypeScriptRedux
● active|id: SYS-004
> Click to inspect file4 active
labs
~/portfolio/labs

Labs, experiments and small interactive products

A collection of small apps and experiments where I explore frontend architecture, interaction design, simulations and product ideas.

[LABS]experiments.list()|1 live experiment
LAB-001|Live

Conway's Game of Life

Open app

An interactive cellular automaton experiment focused on simulation, frontend architecture and UX iteration.

Next.jsReactTypeScriptTailwindVitest
experience
~/portfolio/experience

Experience shaped around architecture, systems and product scale

A timeline of roles where frontend engineering evolved into architecture, reusable systems, technical standards and cross-team leadership.

[TIMELINE]event_logs.stream()|4 entries
[2025-NOW]Senior Frontend EngineerCapitole · IAG Transform

2025 - Present

Working in a highly data-driven and operationally critical enterprise environment, with a transversal technical leadership role focused on frontend architecture, standards and product quality.

  • -Defined and rolled out frontend standards across products
  • -Led the creation of a shared component library with Storybook
  • -Built and maintain a base repository used as foundation for new products
  • -Drive architectural decisions with strong focus on scalability, maintainability and quality
  • -Act as technical reference across teams, collaborating with Data Science, Data Engineering and Backend
[2023-2025]Senior Frontend DeveloperEntelgy

2023 - 2025

Worked on a decoupled enterprise notification system with emphasis on scalability, maintainability, API integration and frontend quality standards.

  • -Implemented new features using Domain-Driven Design concepts
  • -Collaborated with backend teams to define and integrate new API calls
  • -Reduced incident tickets by 35% within the first 6 months
  • -Enforced SOLID and clean code practices through reviews
  • -Developed and maintained Storybook components for company-wide reuse
[2022-2023]Senior Frontend EngineerDevo

2022 - 2023

Focused on component modernization, frontend reuse and quality, migrating legacy JavaScript components into scalable React and TypeScript foundations.

  • -Migrated legacy JavaScript components to React, TypeScript and Storybook
  • -Created and maintained tests, including mutation testing workflows
  • -Helped other teams adopt shared components efficiently
  • -Integrated third-party libraries such as D3.js into reusable dashboard components
[2018-2021]Frontend Architect / Senior Frontend Engineereveris

2018 - 2021

Worked across multiple enterprise contexts designing frontend architecture, scalable component libraries and system foundations for complex business environments.

  • -Designed frontend architecture for enterprise patent registration software at the European Patent Office
  • -Defined a new React architecture and component library for Zurich
  • -Supported multiple teams in React and Angular initiatives at Seat:Code
  • -Built JSON-schema driven frontend foundations and dynamic routing patterns for Allianz
skills
~/portfolio/skills

Skills shaped around architecture, quality and scalable frontend delivery

A practical skill set built through enterprise frontend architecture, reusable systems, testing strategy and cross-team technical execution.

[MODULES]registry.list_all()|6 modules loaded
FRONTENDCore Technologies
ReactNext.jsTypeScriptJavaScriptHTML5CSS3
ARCHArchitecture & Systems
Frontend ArchitectureDesign SystemsScalable UI SystemsDDD ConceptsClean ArchitectureSOLID Principles
QUALITYTesting & Quality
VitestReact Testing LibraryMSWJestCode Quality StandardsDeveloper Experience
UIUI Engineering
Tailwind CSSStorybookShadCN UIEChartsResponsive UIPixel-Perfect Delivery
DATAData & State
React QueryState ManagementREST APIsComplex Data FlowsSchema-Driven UI
TOOLSEngineering Workflow
GitViteWebpackCI/CDDockerCross-Team Technical Leadership
All modules operational
|Updated for current architecture focus
contact
~/portfolio/contact

Let’s build scalable frontend systems that create real impact

Open to selected remote collaborations, high-impact technical opportunities and conversations around frontend architecture, scalable React systems and enterprise product development.

[CHANNELS]connection.open()|2 endpoints available
Email

hello@aleixvidal.dev

LinkedIn

linkedin.com/in/aleix-vidal

Availability Status: Open

Currently open to selected remote collaborations and strategic frontend opportunities, with occasional on-site collaboration when needed.

Remote-first · Barcelona-based
$ await connection.request()