Miguel Chumillas

Senior Fullstack Developer | Tech Lead

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  • 20+ years building web applications across healthcare, emergency services, eCommerce, SaaS, education and film/media.
  • Core stack: PHP, React/Next.js, Vue/Nuxt, Node.js, TypeScript.
  • Provided technical architecture and occasional team leadership (up to 5 developers) for enterprise client projects, while staying actively hands-on with code.
  • Specialized in accessible UI (WAI-ARIA), RESTful APIs, and payment integrations (Stripe, PayPal, Square).

Core Stack

ReactNext.jsTypeScriptJavaScriptVueNuxt.jsQuasarPHPLaravelNode.jsTailwind CSSSCSSDockerREST APIsMySQLAWSWAI-ARIA

Additional Experience

APIsGraphQLDatabasesMongoDBRedisOracleCloud & DevOpsAzureCI/CDNginxLinuxGitGitHubGitLabTesting & QualityVitestJestCypressESLintSentryAIOpenAIClaudeLangChainFrontend & UIAngularStorybookPHP FrameworksSymfonyInertiaCommerce & CMSStrapiMedusaShopifyStripeSitecorePayPalSquareLegacy TechnologiesJavaKohanaCodeIgniterjQuery

Key Skills

  • Frontend: React (Next.js), Vue (Nuxt & Quasar), TypeScript, and accessible web development (WAI-ARIA).
  • Backend: Extensive experience building RESTful APIs and scalable applications with PHP (Laravel, Kohana, CodeIgniter) and Node.js.
  • Cloud & DevOps: Proficient with Docker, AWS, Azure, CI/CD pipelines, Git workflows, and Linux environments.
  • Databases: Experienced with MySQL, MongoDB, Redis, and Oracle.
  • Testing & Code Quality: Experienced with automated testing (Cypress, Jest, Vitest), clean code principles, and modern development practices.
  • Professional Strengths: Technical leadership, problem solving, mentoring, and continuous learning.

AI Experience

  • Experience integrating LLM APIs into web applications.
  • Daily use of ChatGPT, Claude and GitHub Copilot throughout the development process.
  • Practical experience building AI-powered features and evaluating models for quality, cost and performance.

Personal Projects

  • Founder of  KredPilot.com : A platform for agencies offering technical candidate assessment (coding tests, questionnaires) and reputation management. Powered by internal AI orchestration and secure Docker sandboxing isolation for reliable suite test execution. Built with Next.js 14, React 18, TypeScript, Drizzle ORM, PostgreSQL, Tailwind CSS, Stripe, Electron, Sentry and Zod.
  • Founder of  LetsGoBride.com : A Wedding Planning Platform I orchestrated end-to-end with Nuxt 3, TypeScript, Laravel, PostgreSQL, Stripe, Pinia, Tailwind CSS, Fabric.js, Strapi CMS and Docker.

Experience

INTERACTIVATED, DEC 2024 - PRESENT

Role: Fullstack Developer

  • Led the development of a large eCommerce platform from with Next.js (React), Medusa and Strapi.
  • Occasionally assist with recruiting, technical estimates and project planning.
  • Senior Backend Developer | DevOps at Fitness Nation (Node.js, Angular, Javascript).
  • Provide ongoing development, maintenance and technical support for LetsGoCityTours (AWS, Symfony, Angular) and Leqture (Laravel, Inertia, Vue 3).
Next.jsMedusaStrapiAWSNode.jsTypescriptAngularSymfonyLaravelInertiaJestAtlasDockerMongoDB
UD IBÉRICA, JUN 2023 - NOV 2024

Role: Team Management / Frontend Developer

  • Modernized the 116 emergency service from Java to Quasar (Vue Framework) with TypeScript, ESLint, Prettier, GitLab CI/CD, Vitest, Cypress and Docker.
  • Later entrusted with leading the team using Scrum, and helped onboard new members.
  • Assisted the backend team (Node.js, Oracle) with reverse engineering of the original app.
  • Reverse engineered their legacy Java application with limited documentation to enable incremental migration to Quasar and Node.js.
QuasarESlintSCSSTypescriptNode.jsOracleVitestCypressNginxDockerRedis
AXIS, 2002 - 2023

Role: Team Management / Fullstack Developer

  • Joined Axis at its founding and spent over 20 years growing from frontend developer to Full-Stack Developer and Team Lead.
  • Led the delivery of 35+ client projects using React, Next.js, Vue, Nuxt, PHP, and cloud technologies.
  • Worked across architecture, frontend, backend, DevOps (AWS/Azure/Linux), and team leadership.
  • promedica.org — Enterprise healthcare platform for a major US nonprofit; architected with Sitecore JSS, Next.js, TypeScript, GraphQL and Storybook.
  • radicava.com — Pharmaceutical brand site with dynamic data rendering; engineered with Next.js, TypeScript and SCSS.
  • therapystudios.com — Booking and membership platform for wellness studios; developed with PHP and MongoDB.
  • oneclock.co — Custom Shopify eCommerce storefront using Liquid templating, JavaScript and CSS.
HAIKUMEDIA

Role: Freelance Web Developer

  • princessmargaret.org — Migrated and maintained using CodeIgniter (PHP), HTML5, JavaScript, JQuery, SCSS and MySQL.
BRAINSTANTSOUP

Role: Web Developer

  • Delivered apps and websites using mainly PHP, HTML5, JavaScript, JQuery, CSS and MySQL.

Testimonials

"Miguel has been an outstanding backend developer and a valuable contributor to our team. He played a key role in major improvements to our infrastructure, helping us build a more robust, scalable, and secure architecture. His technical expertise and attention to quality were also instrumental in supporting our successful ISO certification process. He is reliable, proactive, and always willing to go the extra mile to ensure the success of the project. Moreover, he is very responsive and always ready to jump in and assist with what came up! Great experience!"

SKILLS

  • Core Technologies: PHP, React, Next.js, Vue.js, Nuxt.js, Quasar, Node.js, Typescript/Javascript, TailwindCSS, SCSS, MySQL, MongoDB.
  • Daily tools: VSCode, Slack, Figma, Jira, Asana, Teams, Postman, Docker Desktop, Windows Terminal / WSL, Chrome DevTools.
  • Web development: Responsive, accessible web applications (WAI-ARIA).
  • Methodology: Agile (Scrum).
  • Commerce: Shopify and payment integrations (Stripe, PayPal, Square).

EDUCATION & CERTIFICATES