Leonardo Fonseca
Solutions Architect
Front-end developer & UI designer
Professional profile
I lead the technical side of client delivery — scoping solutions and bridging product needs with engineering — backed by 15 years building interfaces across Latin America.
Experience
Solutions ArchitectAug 2024 — Present
RebelMouse · Remote
Lead the technical side of service delivery: planning solutions, scoping and costing work, and bridging client requests with engineering.
Platform EngineerNov 2023 — Aug 2024
RebelMouse · Remote
Shipped custom platform features for publishers — donation workflows for Lakeville Journal & Millerton News, and translation-workflow improvements.
Head of Design / Tech Advisor / Front-end2012 — 2023
CrearMedia · Lima
Led the design vision for e-learning across Latin America and a remote team of designers; drove the Flash→HTML5 & responsive transition; built onboarding & certification UIs used by thousands.
Creative / Graphic Designer2008 — 2012
CrearMedia · Bogotá
UI and interaction design for e-learning projects — where the craft started.
Education
Platzi2014 — 2023
platzi.com/p/cavera_de
Corporación Nuestra Señora de las Mercedes2002 — 2006
Professional Graphic Artist and Advertisement Technician
Bogotá, Colombia
Skills & tools
- Solutions architecture
- React
- Next.js
- GSAP
- TypeScript
- SASS
- HTML / CSS
- Figma
- UI & interaction design
- Typographic design
- Articulate Storyline
- Notion CMS
Certifications
- LXD LATAM Summit 2023
Languages
- Spanish (native)
- English (C1)