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I'm Pablo Fontecilla, a Senior UX/UI designer and developer with extensive experience across both design and front-end development. I've delivered impactful solutions for diverse institutions and organizations, with a strong focus on SASS, React, and design system implementation. I manage the full design and development lifecycle—from UX research and wireframing to UI design and scalable front-end development using React and Angular, enabling a well-rounded approach to application design, architecture, and integration of advanced frameworks.…I'm Pablo Fontecilla, a Senior UX/UI designer and developer with extensive experience across both design and front-end development. I've delivered impactful solutions for diverse institutions and organizations, with a strong focus on SASS, React, and design system implementation. I manage the full design and development lifecycle—from UX research and wireframing to UI design and scalable front-end development using React and Angular, enabling a well-rounded approach to application design, architecture, and integration of advanced frameworks.

Pablo Fontecilla

Front-End Developer, UI Designer, UX Designer, +3

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I'm Pablo Fontecilla, a Senior UX/UI designer and developer with extensive experience across both design and front-end development. I've delivered impactful solutions for diverse institutions and organizations, with a strong focus on SASS, React, and design system implementation. I manage the full design and development lifecycle—from UX research and wireframing to UI design and scalable front-end development using React and Angular, enabling a well-rounded approach to application design, architecture, and integration of advanced frameworks.…I'm Pablo Fontecilla, a Senior UX/UI designer and developer with extensive experience across both design and front-end development. I've delivered impactful solutions for diverse institutions and organizations, with a strong focus on SASS, React, and design system implementation. I manage the full design and development lifecycle—from UX research and wireframing to UI design and scalable front-end development using React and Angular, enabling a well-rounded approach to application design, architecture, and integration of advanced frameworks.

Available to hire

I’m Pablo Fontecilla, a Senior UX/UI designer and developer with extensive experience across both design and front-end development. I’ve delivered impactful solutions for diverse institutions and organizations, with a strong focus on SASS, React, and design system implementation.

I manage the full design and development lifecycle—from UX research and wireframing to UI design and scalable front-end development using React and Angular, enabling a well-rounded approach to application design, architecture, and integration of advanced frameworks.

Skills

Experience Level

Expert

Expert

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Expert

Work Experience

Senior UX/UI Designer & React Developer at TS Imagine

August 1, 2024 - August 1, 2024

Lead development of shared UX/UI design directions across the TS Imagine platform and apps; defined strategy to align development with overall design guidelines; UX research (users, personas, behaviours, workflows); developed and synchronized Figma design system with a custom React design system; integrated external frameworks (React-Bootstrap, Ag-grid, ChartIQ); built a custom SVG icons library; harmonized React UI with Swing (Java) UI; worked in Agile Kanban.

UX/UI Designer - Developer at Hydro-Québec

October 1, 2021 - October 1, 2021

Design & development of key applications across Hydro's Trans-Energie division; UX/UI design using Sketch & Figma; Front-End developed with Angular 8–12, using Ag-grid, PrimeNG, NgRx & other libraries; plus custom UI components; maintain SASS library; WCAG compliance; integrate style libraries from different frameworks; Agile Scrum.

UX/UI Designer & Graphic Designer at Nu Echo

December 1, 2017 - December 1, 2017

UX/UI design and graphic design: brand identity & corporate documentation; design & develop corporate website; UX/UI design for Nubot dashboard app; Wireframes, mockups; HTML/CSS/JS prototypes; Backbone/Marionette integration; maintain SASS/CSS; live style guides with Fabricator.

UI/UX Designer - Developer at OTOLANE Soft Corp

June 1, 2015 - June 1, 2015

UI/UX Designer - Developer; design UI/UX for desktop & mobile; develop components & views; HTML prototypes; implement Angular components/templates; maintain LESS/CSS.

UI/UX Designer at uMindsoft

December 1, 2013 - December 1, 2013

UI/UX Designer & eLearning – Designer | Developer; design & deliver e-learning solutions for corporate clients; Flash/ActionScript; HTML/CSS/JS; animations; graphic illustrations; web design & development.

Graphic and Web Designer at LIK Studio Inc.

July 1, 2010 - July 1, 2010

Graphic and Web Designer; project management, design & development for public and private institutions and firms across industries; brand identity, corporate documents, websites; notable work for SNC Lavalin/SEETEC project management system, Oxfam-Québec redesign, etc.

Web / Front-End Developer at Cajitas

December 1, 2025 - Present

Design and development of a website showcasing wood work & construction projects; built custom UX/UI derivatives from a UI Toolkit and integrated React, HTML, SASS, and TypeScript.

UI Designer - Developer at UI Toolkit project

January 1, 2025 - November 1, 2025

Design and development of a UI Toolkit evolving into a scalable design system; built and maintained a component library with React, HTML, SASS and TypeScript.

Senior UX/UI Designer - React Developer at TSImagine

October 1, 2021 - August 1, 2024

Lead development of shared UX/UI design and directions across the TSI platform and apps; conduct UX research; develop and synchronize Figma design system and custom React design system; integrate external frameworks.

UX/UI Designer - Developer at Hydro-Québec

April 1, 2018 - October 1, 2021

Design & development of key applications for Trans-Energie; UX research; Angular frontend with AG Grid / PrimeNG; maintain SASS library; ensure WCAG compliance; integrate style libraries; agile environment.

UX/UI Designer at Nu Echo

June 1, 2015 - December 1, 2017

UX/UI design and front-end prototyping for corporate solutions; wireframes, mockups, HTML/CSS/JS prototypes; style components and live style guides.

UI/UX Designer - Developer at OTOLANE Soft Corporation

December 1, 2013 - June 1, 2015

UI/UX design for desktop and mobile; develop Angular components and templates; create HTML maquettes and maintain LESS/CSS codebase.

UI/UX Designer | eLearning – Designer | Developer at uMindsoft

April 1, 2011 - December 1, 2013

Design and development of e-learning solutions; wireframes, mockups, HTML/CSS/JS prototypes; Backbone/Marionette integration; live style guides with Fabricator.

Graphic and Web Designer at CLIK Studio Inc.

October 1, 1999 - July 1, 2010

Project management, design and development for public and private institutions; web development; Zope, MySQL, CGI/Perl; frontend components and templates.