Juan Vivanco
@juansvivanco
Front-End Engineer building high-performance, AI-driven React/TypeScript web apps at scale.
EcuadorWhat I'm looking for
I’ve built high-performance, AI-driven web applications at scale for years, working across SaaS, fintech, e-commerce, and AI-focused products. I’ve led front-end teams of up to 10 engineers and focused on AI-integrated UIs, real-time systems, and performance optimization.
Most recently, I’ve been freelancing as a Senior Front End Developer at Andela and Proxify, while also working full-time at Desk AI. Before that, I shipped front-end work through contract and full-time roles like SEPHORA, Alation, and UMass Global.
Earlier in my career in Ecuador, I worked as a Lead Front End Engineer and later as a Junior Full Stack Developer through Centro de Innovación y Emprendimiento Prendho - UTPL. My day-to-day centers on React, TypeScript, Next.js, and strong UX implementation.
Experience
Work history, roles, and key accomplishments
Senior Front End Developer at Andela, working on AI-driven web applications.
Senior Front End Developer at Proxify, focusing on user experience and front-end development.
Senior Front End Developer at Desk AI, working on AI-integrated user interfaces.
Principal Front End Engineer at UMass Global, leading front-end development with React and TypeScript.
Senior Front End Engineer at SEPHORA, building e-commerce front-end experiences.
Senior React Developer at Alation, developing data platform interfaces.
Lead Front End Engineer at ISA GmbH, leading front-end development with React.
Senior Frontend Developer at Nabors Industries, building front-end solutions for energy sector.
Lead Front End Engineer
TWFG Insurance
Feb 2018 - Jan 2019 (11 months)
Lead Front End Engineer at TWFG Insurance, developing insurance platform interfaces.
Lead Front End Engineer
Feb 2018 - Jan 2019 (11 months)
Worked as Lead Front End Engineer at TWFG Insurance (The Woodlands Financial Group).
Semi-Senior Front End Developer at Lexxus, building front-end applications with React.
Junior Full Stack Developer
Sep 2013 - Aug 2016 (2 years 11 months)
Junior Full Stack Developer intern at Centro de Innovación y Emprendimiento Prendho - UTPL, working on full-stack development.
Education
Degrees, certifications, and relevant coursework
Universidad Internacional de La Rioja
Master's degree, Web User Interface Design and Development
2026 - 2027
Universidad Técnica Particular de Loja
Computer Science Engineering , IT
2013 - 2017
Tech stack
Software and tools used professionally
Postman
AWS Amplify
Microsoft Azure
Amazon S3
GitHub
GitLab
Cloudflare
Azure Pipelines
PostgreSQL
Node.js
Next.js
Tailwind CSS
Material-UI
Google Analytics
Slack
Microsoft Teams
Azure DevOps
Linear
GitKraken Glo
Jest
Cypress
React
JavaScript
Python
HTML5
CSS 3
HubSpot
Notion
ClickUp
GraphQL
AWS Lambda
TypeScript
React Testing Library
Visual Studio Code
Toggl
Git
Docker
Ollama
Playwright
Cursor
Zed
Llama.cpp
RustDesk
Warp Terminal
OWASP ZAP
Stagehand
Claude Code
OpenCode
Availability
Location
EcuadorAuthorized to work in
Website
juansvivanco.comPortfolio
juansvivanco.comSalary expectations
Social media
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