<Hello, I am>
Emerson
Reyes
Software Developer | UX/UI Designer
"Building without understanding is like building castles in the air."
Emerson Fabian Reyes Arias.
Software Analysis and Development Technologist from SENA (2023–2026), with a 6-month professional internship at the SENA Software Factory (April – October 2026) and continuous independent full stack project engineering since 2023. Solid knowledge in Java, Spring Boot, JavaScript, React, TypeScript, NestJS, PostgreSQL and Docker.
Experience in building modern and responsive web interfaces with Tailwind CSS.
Latest Projects
DuoBalance
Web and mobile platform for smart shared expense tracking and splitting for couples and groups. Features net settlements, balance algorithms, JWT authentication, dashboards, and export.
HuertaDirecta
Web platform connecting Colombian farmers with buyers, facilitating direct sales of fresh agricultural products with real-time inventory.
AlgoTrainer
Interactive platform for speedcubers focused on pattern recognition, algorithm training and finger trick optimization with 3D visualizations.
Ainglo
Intelligent AI assistant for learning English, focused on Spanish speakers. Writing correction, natural conversations, speaking analysis, TTS and smart dictionary. Telegram integration.
Main Stack
Click on any technology to explore the real projects where I used it and its technical applications.
Backend
NestJS
IntermediateModular architecture, REST controllers, injectable services, Prisma.
Java
IntermediateOOP, collections, streams, exception handling, JDBC.
Spring Boot
IntermediateREST APIs, JPA, security, dependency injection.
Node.js
IntermediateExpress, REST APIs, package management, npm/pnpm.
PHP
BasicServer-side logic, database connection.
Tools
Version control, branches, pull requests, collaborative workflow.
Containers, images, docker-compose, isolated environments.
Terminal, commands, permissions, bash scripts, servers.
AI coding assistant for assisted development.
Interactive CLI for software engineering with AI.
Local execution of language models for development.
Design platform integrating AI.
Business process automation with Microsoft.
Frontend
React
IntermediateFunctional components, hooks, global state, React Router.
TypeScript
IntermediateStatic typing, interfaces, generics, advanced types.
JavaScript
IntermediateES6+, async, DOM manipulation, fetch API.
TailwindCSS
AdvancedUtility-first design, responsive, custom config, animations.
Bootstrap
AdvancedGrid system, components, theme customization.
HTML & CSS
AdvancedWeb semantics, flexbox, grid, CSS animations, SASS.
Databases
PostgreSQL
IntermediateSQL queries, joins, indexes, data normalization.
MySQL
IntermediateRelational design, stored procedures, optimization.
React
Descripción detallada de la tecnología seleccionada.
Implementación técnica en controladores REST, lógica financiera, persistencia y componentes reactivos.
Experience & Career Path
15+
Projects and tools developed with Git version control on GitHub
6M
Months of formal professional internship at SENA Software Factory
5+
Structured Full Stack projects featuring backend, database, and deployment
A2
Certified English level for technical documentation and continuous learning
Full Stack Developer — SENA Software Factory
6-month professional internship in enterprise projects within the SENA ecosystem. Full stack engineering with React, Spring Boot, and PostgreSQL; REST APIs with JWT; agile collaboration with Scrum and Git version control.
Independent Developer — Autonomous Projects & Open Source
Continuous development of web and mobile software since 2023: Room 911 (Spring Boot, React, PostgreSQL, Docker), DuoBalance (NestJS, React Native, Prisma), HuertaDirecta, AlgoTrainer, and Ainglo. Backend architecture and AI integrations.
Software Analysis and Development Technologist — SENA
Academic degree (2023 – 2026) emphasizing requirement engineering, relational database design, object-oriented programming (Java), and software engineering best practices.
