Available for opportunities

Josue
Cobos

Full Stack Developer

Full Stack Developer with 6+ years building scalable solutions across academy, renewable energy, fintech, e-commerce, and logistics. Experienced in delivering software systems in production environments, collaborating with distributed teams and contributing to product-driven decisions.

+6
Years Full Stack Experience
5
Industries Served
Core stack
React JavaScript TypeScript Node.js AWS SQL
Open to full-time remote roles & contract positions — Guayaquil, Ecuador (UTC-5)
01

Experience

Feb 2025 — Present
DREX
Remote · Contractor
Full Stack Developer
  • Create a Marketplace from scratch using React
  • Implement payment gateways (blockchain and fiat secure transactions)
  • Design and implement frontend architecture using React
  • Automatic End-to-end testing with Cypress
  • Ensure code quality through clean architecture and maintainable patterns
JavaScript React Node.js TypeScript AWS PostgreSQL Cypress
Mar 2023 — Feb 2025
TIA
Guayaquil
Full Stack Developer
  • Migrate a frontend application to AWS
  • Migrate Node.js application to AWS
  • Develop a frontend using server side rendering
  • Create and maintain API endpoints
  • Create an event driven architecture
  • Manual end-to-end testing
  • Create ETL for system integration (API endpoints, webhook, SFTP)
JavaScript React Node.js TypeScript AWS Oracle DB
Sep 2022 — Mar 2023
Technisys
Remote · Galileo FT
Full Stack Developer
  • Improve web application performance using React profiling tools
  • Create and maintain API endpoints
  • Bug fix
  • Unit testing and integration testing
  • Event processing with RabbitMQ
  • Develop new POD for K8S architecture
JavaScript React Node.js Azure SQL Server Kubernetes Jest
Feb 2021 — Aug 2022
Shippify
Guayaquil
Full Stack Developer
  • Develop and deploy web application using AWS lambda
  • Add new features for self BI tool using React JS
  • Create microfrontend from scratch
  • Create ETL for system integration (API endpoints, webhook, SFTP)
  • Implement high-size data report module using AWS Step functions
JavaScript React Node.js TypeScript AWS MySQL Jest
Feb 2020 — Feb 2021
Nextergy
Remote · Contractor · IoT
Full Stack Developer
  • Develop user interface for analytics purposes
  • Create and maintain API endpoints
  • Create data modeling for DB tables
  • Deploy API endpoints in microcontrollers
JavaScript React Node.js SQL Server IoT
02

Skills

Frontend
Build web applications with React
Improve performance with profiling tools
Design and implement scalable architectures
Develop server-side rendered interfaces
Create microfrontends and reusable components
Backend
Create REST API with Node.js
Design event-driven architectures
Build ETL pipelines for system integrations
Integrate blockchain transactions
Ensure code quality with Jest
Cloud & Infra
Migrate applications to AWS
Deploy serverless apps with AWS
Containerize and orchestrate with Docker and Kubernetes
Model and manage relational databases
Deploy API endpoints in microcontrollers
03

Expertise

Full Stack Development

End-to-end web application development with React, Node.js, and modern JavaScript/TypeScript. Building scalable solutions from frontend UI to backend APIs and database design.

Cloud Architecture & DevOps

AWS infrastructure design and migration. Experience with serverless (Lambda), containers (Docker), orchestration (Kubernetes), and event-driven architectures for production systems.

System Integration & ETL

Building robust integrations with third-party systems via REST APIs, webhooks, and SFTP. Experience with payment gateways, blockchain transactions, and real-time data processing.

Performance Optimization

Application profiling and optimization using React DevTools and performance monitoring. Implementing code-splitting, lazy loading, and architectural improvements for faster load times.

Testing & Quality Assurance

Implementing comprehensive testing strategies with Jest, Cypress, and integration testing. Ensuring code quality through clean architecture principles and maintainable patterns.

Database & Data Modeling

Working with SQL (PostgreSQL, MySQL, SQL Server, Oracle DB) and NoSQL databases. Designing efficient data models and implementing complex queries for production environments.

04

About

I enjoy solving complex problems using data and building scalable solutions through continuous iteration. I have experience delivering software systems in production environments, collaborating with distributed teams and contributing to product-driven decisions.

I am interested in creating value for companies by building software solutions that solve real problems, improve processes and contribute to meaningful product development in collaborative environments.

NameJosue Cobos
RoleFull Stack Developer
LocationGuayaquil, Ecuador (UTC-5)
Phone+593 996 821 960
05

Education

2017 — 2022 · Graduated
B.Sc. Computer Science Engineering
Escuela Superior Politécnica del Litoral (ESPOL) · Guayaquil

Teaching Experience

Mar 2019 — Feb 2020
Teacher Assistant
ESPOL · Teach programming fundamentals using Javascript

Let's work
together.

I'm currently open to full-time and contract positions as a Full Stack Developer — remote preferred. If you're hiring or building something interesting, let's talk.

Send a message