Full-stack engineering
Responsive frontends, backend services, REST APIs, data models, integrations, and deployment-ready web products.
Senior Full-Stack Developer · Medellin · Available remotely
Software products built across engineering, experience, and growth.
I design and develop web applications, mobile experiences, e-commerce interfaces, and campaign technology—from architecture and databases to polished responsive UI.
- 15+ yearsBuilding software independently
- Up to 8 peopleTechnical team leadership
- English C2Spanish native
Full-stack engineering with product and campaign context.
01 / SERVICES
One technical partner from idea to delivery.
I work across the product stack, but every engagement starts with a clear business objective, technical scope, and measurable definition of done.
Mobile applications
Native Android and iOS development, mobile interface implementation, and device-focused experience optimization.
E-commerce & digital products
Product-led storefronts, service platforms, conversion paths, SEO foundations, and analytics-ready interfaces.
Creative technology
Interactive campaign experiences, promotional games, filters, prototypes, and technology for branded launches.
02 / SELECTED WORK
Selected products and campaign systems.
Each case describes the role and contribution without inventing metrics. Client names are used only where public-use permission was confirmed.
Aurum Jewelry E-commerce
A responsive luxury storefront created around product discovery, collection storytelling, and a refined editorial presentation.
ScopeInformation architecture, responsive interface, product presentation, deployment
FocusLuxury visual language, mobile adaptation, clear collection navigation
Case-study note
The public demo is presented as a portfolio implementation. Checkout, private customer data, and payment processing are not claimed as operational unless a secure backend and payment provider are connected.
Jumbo Rosca Promotional Campaign
Campaign landing-page development and a database-connected registration flow supporting three interactive promotional games.
RoleFull-Stack Web Developer
ContributionLanding components, responsive delivery, registration and database connection
Engagement context
Work was completed as part of an agency team. The client name and supplied campaign image are used based on the user’s stated permission.
“Bajo el Agua” Interactive Filter Campaign
A mobile-focused visual interface for an interactive promotional filter experience connected to the campaign.
RoleFrontend and Mobile Developer
FocusInteractive interface, mobile optimization, consistent device experience
Engagement context
The work is described as a subcontracted contribution, not as direct employment by the artists or entertainment properties shown in the campaign asset.
Collectible Album Platform
Backend architecture and relational data modeling for user accounts, collectible inventory, and collection-management workflows.
RoleSoftware Architect / Backend Developer
FocusSQL schema, user records, inventory operations, platform structure
Confidentiality note
The consumer-brand client remains unnamed because explicit public-use permission was not confirmed. The client name and additional screenshots can be added after authorization.
03 / STACK
A broad stack, presented by working domain.
Technologies are grouped by how they support delivery rather than presented as an unqualified claim to know every language.
Frontend
- JavaScript / TypeScript
- React
- HTML5 / CSS3
- Responsive UI / UX implementation
Backend
- Node.js
- Python / Django / Flask
- PHP / Laravel
- C# / .NET
Mobile
- Java / Kotlin / Android
- Swift / iOS
- Mobile interface optimization
- Interactive campaign experiences
Data & Delivery
- PostgreSQL / MySQL / SQL Server
- MongoDB / Firebase
- Git / Docker
- Architecture, code review, hiring
04 / EXPERIENCE
Independent delivery with technical leadership.
Software work began in 2008 and has combined continuous self-directed study with commercial projects, agency collaboration, and technical team leadership.
2008 - Present
Independent Software Developer & Technical Lead
Full-stack, mobile, e-commerce, and campaign technology delivered independently and through StarMark Agency. Leadership includes technical direction, code review, delivery coordination, and candidate evaluation for teams of up to eight people.
2020 - 2022
Consumer campaign technology
Full-stack campaign landing and registration systems, mobile interactive experiences, and SQL-backed platform architecture across agency and subcontracted engagements.
Education
Systems Engineering · ITM
Bachelor’s degree completed at Instituto Tecnologico Metropolitano in Medellin, supported by continuous self-directed practice in web architecture, databases, and mobile development.
05 / ABOUT
Engineering decisions grounded in product context.
I work across software development, mobile products, e-commerce, creative technology, and digital growth. The objective is not to add technology for its own sake; it is to choose the simplest architecture that can deliver a credible, maintainable result.
Based in Medellin, Colombia. Spanish native. English C2. Available immediately for remote roles and freelance projects.
06 / CONTACT
Need a developer who can connect product, code, and delivery?
Send the role, project scope, deadline, and current technical context. I respond in English or Spanish.