Fullstack developer. I build web and mobile products — from prototype to production.
Over 5 years of experience building web and mobile applications. Fullstack Developer & Software Technologist. I build complete end-to-end solutions: from backend architectures, databases, and interactive web platforms, to mobile applications and artificial intelligence integrations.
Personal finance web app that simplifies expense and income tracking without requiring bank account connections. Uses artificial intelligence to automatically categorize transactions, project budgets, and visualize monthly financial trends.
All-in-one real-time booking and scheduling system for barbershops and beauty salons. Automates customer appointment booking, synchronizes staff schedules, and equips administrators with business performance analytics.
Mobile app designed for material dispatch and inventory tracking on construction sites with zero cellular reception. Enables scanning industrial barcodes, instant on-site stock validation, and digital signature capture, automatically syncing data with headquarters once connectivity returns.
Forensic-grade mobile application for technical inspection and civil engineering site audits built with an Offline-First architecture. Enables recording findings, immutable photographic evidence with forensic watermarking and SHA-256 hashing, voice notes, digital signatures, and biometric sealing to export executive PDF reports without internet.
Co-founder and developer of the first version of this fintech payment and transfer application. The project evolved and the current version does not reflect my work, but the experience of building a financial product from scratch was key to my growth.
Multi-store e-commerce platform for clothing outlets and retail brands. Empowers multiple independent businesses to manage their own custom storefront, size and color inventory, WhatsApp ordering, and sales metrics from a centralized dashboard.
Web platform for heavy machinery rental and logistics management in Colombia. Enables contractors to check real-time fleet availability, calculate formal transparent quotes with Colombian tax rules (COP, SENA operator, VAT, freight), and generate legal PDF contracts instantly.
Full-stack contribution to a comprehensive platform for creators, experts, and digital entrepreneurs to build, manage, and monetize online communities. Features integrated chat channels, structured courses, gamification with missions and real-time rankings, all in one place.
Mobile-first development for an accommodation booking platform with a role-based system (guest, host, doorman, admin, owner). Implemented guest management features, a responsive admin dashboard, and backend optimizations to improve data retrieval logic.
Built from scratch with Flutter a social discovery app where users could interact and connect. Implemented a freemium model with interaction limits and in-app purchases to unlock unlimited messaging.
Created technical documentation and developed a mobile POC for a POS system designed for supermarkets. The proof of concept allowed customers to place grocery orders from home. Project discontinued after contract ended.
Freelance
End-to-end design and development of web and mobile applications for startups and clients. Building scalable APIs with Node.js, Express, and managing relational (PostgreSQL, MySQL, SQLite) and NoSQL (MongoDB, Firebase) databases. Crafting modern, responsive web interfaces with React, Next.js, and Tailwind CSS, as well as cross-platform offline-first mobile apps with React Native, Expo, and Flutter.
Remington University Corporation
Preventive and corrective maintenance of IT infrastructure (software and hardware), local network administration, computer lab workstation configuration, and rapid technical incident resolution for students and staff.
LoopMedia
Feature development and performance optimization for mobile applications using Dart and Flutter. Building and refining interactive web interfaces using React.
Fullstack developer with over 5 years of experience building scalable web and mobile applications. I focus on creating high-performance products that solve real problems, using technologies like React, Next.js, React Native, Flutter, and Node.js.
I work as a freelancer developing MVPs, management systems, and scheduling platforms. I like to understand the business problem before writing a single line of code.
Member of Team1 at Avalanche Network and co-founder of dotlabs__, a community focused on blockchain and Web3. Mentor and organizer at hackathons in Medellín and Bogotá.
alez2312p
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I am available for freelance projects, consulting, or joining your team full-time.