Juan Monsalve

Experience

1. Milestone Systems / Arcules

   Frontend Software Engineer · Dec 2023 — Present

   Cloud Video Software as a Service (VSaaS) platform for managing video cameras and operational workflows.

   • Built and shipped customer-facing modules including cases & evidence management, camera settings, and maps-based workflows for a multi-region VSaaS platform
   • Drove modernization efforts across the SPA (React + Vite), including package upgrades, E2E test modernization, and unit-test adoption (Vitest/Jest)
   • Improved observability by instrumenting frontend error reporting and workflow tracing in Sentry to shorten time-to-diagnosis
   • Partnered with a central frontend team supporting 5 backend teams, aligning UI contracts, i18n, and delivery across parallel streams

   • TypeScript
   • JavaScript
   • React
   • Vite
   • Material UI
   • TanStack Query
   • Redux
   • Zustand
   • react-intl
   • Sentry
   • Node.js
   • Playwright
   • Vitest
   • Jest

2. YR

   Senior Frontend Developer · Jan 2022 — Dec 2023

   3D product customization for a global athletic brand — in-store and ecommerce experiences.

   • Led a team of 4 frontend engineers delivering multiple 3D product configurators with real-time rendering for in-store and ecommerce use cases
   • Led the modernization of the visualization stack from 2D to 3D using WebGL and Three.js, enabling richer real-time previews
   • Owned client-facing discovery, technical alignment, and delivery planning to execute against stakeholder timelines
   • Built robust data flows by integrating GraphQL APIs and adding Playwright E2E coverage for high-traffic customization journeys
   • Mentored engineers on WebGL/Three.js performance, component architecture, and testing strategy

   • TypeScript
   • React
   • Three.js
   • WebGL
   • Apollo GraphQL
   • Playwright

3. EPAM Anywhere

   Senior Software Developer · Sep 2021 — Jan 2022

   Short-term engagement delivering React features for internal enterprise business applications.

   • Shipped React UI features for internal business applications used by distributed operations teams
   • Integrated GraphQL with Apollo Client for predictable data fetching and maintainable UI state

   • React
   • JavaScript
   • Node.js

4. Endava

   Senior Web Developer · Feb 2021 — Sep 2021

   Enterprise internal applications for a global technology consultancy client.

   • Built Vue.js features for enterprise internal tools using component-driven UI patterns
   • Delivered maintainable interfaces within a distributed engineering team

   • Vue.js
   • JavaScript
   • Riot.js

5. ConfigureID (now YR)

   Frontend Engineer · Feb 2018 — Feb 2021

   Ecommerce product customization and personalization embedded in brand sites (2D/3D configurators).

   • Built multiple product configurators from scratch and maintained a portfolio of long-lived experiences across brands including Ray-Ban, Oakley, Louis Vuitton, Ralph Lauren, Moncler, Adidas, Fender, Puma, and more
   • Promoted from mid-level to senior; led delivery for two client projects, owning technical direction, estimation, and cross-team execution
   • Led the modernization of the visualization stack from 2D to 3D using WebGL and Three.js across key configurator experiences
   • Added Playwright/Cypress-style E2E coverage (where applicable) to protect key purchase and customization flows and reduce regressions
   • Supported Node.js backend services and implemented analytics instrumentation (Google Analytics) to improve funnel visibility

   • JavaScript
   • React
   • Three.js
   • WebGL
   • CSS
   • Sass
   • PostCSS
   • Node.js
   • Playwright
   • Google Analytics

6. Sproutloud Media Networks

   Web Developer · Aug 2016 — Feb 2018

   Marketing funds and campaign management platform for brands and partner networks.

   • Delivered full-stack features for managing marketing funds, approvals, and campaign workflows in a large legacy web application
   • Built and maintained PHP/Laravel services alongside an ExtJS frontend, focusing on reliability and maintainable UI patterns
   • Partnered with product and QA to ship iterative improvements in an Agile environment

   • PHP
   • Laravel
   • Ext.js
   • JavaScript
   • CSS
   • PostgreSQL

7. Zeus Tecnología (now Siesa)

   Web Developer · Feb 2014 — Aug 2016

   Enterprise software suite for restaurants, hotels, VIP clubs, accounting, and other business areas.

   • Progressed from intern to mid-level engineer over 2 years, delivering features across multiple business domains
   • Built a restaurant table-reservation product across desktop and web using C# and ASP.NET
   • Implemented hotel-occupancy forecasting using statistical regression models to support planning and operations
   • Contributed to modernizing a restaurant POS suite from desktop to web using ASP.NET, DotNetNuke, JavaScript, and CSS

   • C#
   • ASP.NET
   • DotNetNuke
   • JavaScript
   • CSS
   • Microsoft SQL Server

Skills

Languages

• Spanish — Native
• English — Professional working proficiency

Education

• Universidad de Cartagena

  Bachelor of Engineering · Systems and Informatics Engineering · Jan 2009 — Jan 2016