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Hi, I'm Claudio

Frontend & Backend Developer | Turning ideas into reality

View My Work

About Me

Claudio Cuellar - Software Developer

My Journey

I'm a passionate developer who loves building creative, functional, and user-friendly applications. With a background in full-stack development, I specialize in delivering solutions that merge clean design with efficient code.

With over 10 years of experience, I've had the privilege of working on diverse projects ranging from legacy system migrations to modern cloud-native applications, always focusing on creating meaningful digital experiences.

🚀
Innovation Driven

Always exploring new technologies and methodologies to deliver cutting-edge solutions

🎯
Results Focused

Committed to delivering high-quality solutions that exceed expectations and drive business value

🤝
Collaborative

Strong believer in teamwork and agile methodologies to achieve common goals

📚
Continuous Learning

Passionate about staying current with industry trends and best practices

Let's Work Together

Projects

Portfolio Website

Personal Portfolio Website

Built with Tailwind CSS and Vite; deployed on AWS S3 + Cloudflare with SEO optimization.

Tailwind CSS Vite AWS S3 Cloudflare
Live Demo GitHub
POS System

POS Web System

Angular frontend and C# backend integrating payment gateways and inventory management.

Angular C# .NET Core SQL Server
Enterprise Project
Cloud Email Service

Cloud Email Service

Developed automated notification system using AWS SES and Django backend.

Django Python AWS SES AWS
Enterprise Architecture
Customer Engagement Facade

Customer Engagement Facade

Microservices architecture with API gateway for customer interaction management and analytics.

Microservices API Gateway Node.js Docker
Enterprise Project
Real-Time Communication Platform

Real-Time Communication Platform

Built scalable real-time messaging and video communication platform with WebRTC and WebSocket technologies.

Angular NodeJS Websockets
Enterprise Project

Skills

Core Frontend

🅰️

Angular

📘

TypeScript

🟨

JavaScript

⚛️

React

Styling & Markup

🎨

Tailwind CSS

🌐

HTML5

🎭

CSS3

Backend Languages

🔷

C#

🐍

Python

☕

Java

Backend Frameworks

🌐

.NET Core

🔗

REST APIs

🟢

Node.js

Databases

🗄️

SQL Server

🐘

PostgreSQL

🍃

MongoDB

Cloud Platforms

☁️

AWS

🔵

Azure

DevOps & Tools

🐳

Docker

🔄

GitHub Actions

🔧

Git

Testing & Methodology

🌲

Cypress

🧪

Jasmine

🏃‍♂️

Agile/Scrum

Curriculum Vitae

Claudio Cuellar

📍 Bolivia 📧 [email protected] 📱 +591 77502002
🌐 claudio-cuellar.com 💼 LinkedIn 🖥 GitHub
Professional Summary

Full-Stack Developer with 10 years of experience building high-performance web and cloud applications. Skilled in Angular (2–20), Javascript, Typescript, Tailwind CSS. Proven track record migrating legacy systems to modern architectures, optimizing performance, and delivering scalable solutions.

Technical Skills
Frontend: Angular, TypeScript, Tailwind CSS, HTML5, CSS3, JavaScript (ES6+), React
Backend: C#, .NET Core, REST APIs, Python, Node.js, Java
Databases: SQL Server, PostgreSQL, MongoDB
Cloud & DevOps: AWS (S3, EC2, SES), Azure, Docker, GitHub Actions
Professional Experience
Frontend Developer

Intertec - Retail Application

Intertec International — Remote | 01/2019 – 01/2025

  • Led comprehensive Angular migrations from versions 2→8, 5→8, and 8→15 across multiple libraries and applications, ensuring compatibility and improved performance
  • Developed comprehensive testing strategies using Jasmine, Karma, and Jest for unit testing, achieving high code coverage and reliability
  • Implemented end-to-end testing solutions using Cypress and Selenium, automating critical user workflows and reducing manual testing time by 60%
  • Built responsive web components using Angular, React, and Vue.js for cross-framework compatibility, enabling seamless integration across different client applications
  • Added new features, debugged complex issues, and maintained codebases for multiple libraries and applications while ensuring responsive design principles
Full-Stack Developer

Intertec - ERP Application

Intertec International — Remote | 11/2018 – 02/2019

  • Collaborated as part of a development team to migrate a legacy Visual Basic 6.0 desktop application to a modern cloud-based AWS solution
  • Developed Angular frontend components and services, creating a responsive and intuitive user interface that improved user experience by 50%
  • Built robust C# backend APIs and microservices, implementing RESTful endpoints and business logic for seamless data processing
  • Implemented data migration strategies and validation processes, ensuring 100% data integrity during the transition from desktop to cloud
  • Collaborated with cross-functional teams using Agile methodologies, delivering the project on time and within budget
  • Added unit tests using Jasmine and Karma frameworks to ensure code quality and reliability
  • Added integration tests using SpecFlow for C# backend components
Fullstack Developer

Coderoad - Mojix

Coderoad - Mojix — La Paz, Bolivia | 2010 – 2018

Fullstack Developer

  • Migrated ERP application from Visual Basic 6 to Angular for the frontend and C# for the backend with AWS infrastructure
  • Added unit tests using Jasmine and Karma frameworks to ensure code quality and reliability
  • Added integration tests using SpecFlow for C# backend components

Java Developer

  • Developed a new Java ME application using Java AWT for mobile device compatibility
  • Migrated Mosquitto client from Java Standard Edition to support Java Micro Edition environments
  • Built a new Java SE desktop application using Java Swing for enhanced user interface

C++ Developer

  • Added new features, debugged issues, and maintained existing C++ applications
  • Implemented support for handling maps, loading them for display and elements positioning

QA Engineer

  • Analyzed product requirements, created comprehensive test cases, and developed test plans
  • Executed test plans, reported bugs in Jira, and generated detailed testing reports

Javascript Developer

  • Developed code using XSL + XML + Javascript to create form templates compiled in HTML for Electronic Data Interchange (EDI forms)
Education
Bachelor's Degree in Computer Science

Universidad Mayor de San Andres — La Paz | 2026

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