Christian Chavez
Christian Chavez

Senior Full Stack Engineer

Actively looking · Member since 7 Sep 2026
Message
Location
Medellín, Colombia
Desired salary
Unspecified
Work preference
Remote Only / Freelance
Experience level
Senior

About

Professional summary

I am a Senior Full Stack Engineer based in Medellín, Colombia, with extensive experience building scalable web applications, e-commerce solutions, and interactive digital products.

I specialize in JavaScript and TypeScript ecosystems, working across React, Next.js, Vue.js, Nuxt, Node.js, NestJS, and React Native. I build responsive, high-performance user experiences and robust backend integrations.

I have strong e-commerce expertise, including Shopify theme customization, Shopify APIs, Liquid, Shopify Functions, Checkout Extensibility, store optimization, app integrations, and conversion-focused UX improvements.

I have developed AI management and security platforms involving PostgreSQL, Socket.IO, Redis, Python service integrations, MCP servers, YARA scanning, EU AI Act compliance reporting, and billing workflows with Lago and Stripe.

My background also includes real-time data interfaces, interactive video platforms, WebGL and Three.js rendering tools, data visualization, GraphQL APIs, mobile development, testing, and cross-functional collaboration with product, design, and backend teams.

I am experienced with Agile and Scrum delivery and enjoy solving complex technical problems while delivering maintainable, user-centered solutions that support business growth.

Skills

45 capabilities

Tech stack & tools

Working toolkit

Analytics

Application Hosting

Development

Languages & Frameworks

Libraries

Experience

Career history

Freelance Shopify Developer Freelancer

I develop and optimize Shopify stores by building features, customizing themes, and improving UX/UI, performance, responsiveness, and conversion-focused customer experiences.

I manage ongoing store operations, including updates, troubleshooting, app integrations, stakeholder communication, and coordination around business priorities. I also provide technical direction to support store growth and conversion-rate initiatives.

Senior Full Stack Engineer Hikma AI

I built a full-stack AI agent management system for API, Web Automation, MCP Server, and Skill agent types. The platform used type-specific JSONB configurations in PostgreSQL and organization-scoped CRUD operations.

I developed automated security assessment and EU AI Act compliance reporting through a Python AI service, Socket.IO progress tracking, risk classification, OWASP LLM Top 10 references, and remediation recommendations. I also built MCP security scanning with YARA rules and behavioral testing, implemented Redis-backed real-time notifications, and integrated Lago and Stripe for billing, subscriptions, invoices, payment methods, and webhooks.

Shopify Frontend Developer Power Digital Marketing

I maintained, optimized, upgraded, and troubleshot Shopify stores to deliver scalable, high-performing e-commerce experiences.

I used Shopify APIs, Liquid, Shopify Functions, and Checkout Extensibility to customize storefront features, resolve technical issues, improve functionality, and create smooth customer journeys.

JavaScript Frontend Developer Endava S.A.S

I collaborated with an international team to develop, enhance, and maintain an e-commerce website using React, Hooks, Next.js, Redux, Context, Contentful, Sentry, Storybook, and React Testing Library.

I worked within Scrum practices to deliver new features, address production issues, and maintain a seamless user experience across the platform.

Frontend Developer Zemoga S.A.S

I contributed to an investment platform that delivered real-time data, analysis, comparisons, and investment plans to users.

I used React, Fluent UI, Redux, Hooks, Jest, TypeScript, Vue.js, Nuxt.js, and SCSS to build robust, informative, and user-friendly product interfaces.

Full Stack Developer Self-employed

I built dynamic user interfaces and an interactive video content platform that enabled users to create, edit, and share interactive videos across multiple platforms.

I used Next.js, TypeScript, Tailwind CSS, and Zustand to build responsive applications. I also developed browser-based editing tools with WebGL, Three.js, and the Canvas API, and incorporated analytics and tracking for user behavior insights.

Full Stack Developer SolvingBooks

I collaborated with the content platform team to build a user-friendly platform for content creators in Southeast Asia using React, TypeScript, Next.js, Tailwind CSS, and Zustand.

I worked with backend teams to consume GraphQL data, built a React Native mobile application for iOS and Android, and collaborated with design teams using Figma to support successful delivery and client satisfaction.

Education

Learning history

Universidad De Antioquia

Master's Degree

Master's degree (Maestría).

Universidad De Antioquia

Bachelor's Degree, Systems Engineering

Bachelor's degree (Ingeniería de Sistemas).

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