Louis E Castillo

louiscastillo.dev@outlook.com • (540) 385-6458

louiscastillo.cloud • github.com/castillosdev

Professional Summary

Full-stack software developer with 4+ years of experience building scalable web applications using .NET, Vue.js, and modern JavaScript frameworks. Proven track record of delivering high-impact automation solutions that drive operational efficiency, with expertise in CI/CD implementation, database optimization, and agile development practices.

Technical Skills

Languages: C#, JavaScript, PHP, SQL, HTML/CSS
Frameworks & Libraries: .NET Core, Vue.js, React, Laravel, Tailwind CSS
Databases: SQL Server (stored procedures, optimization, performance tuning)
DevOps & Tools: GitHub, Gitlab, Azure DevOps, GitHub Actions, Git, CI/CD pipelines
Development Practices: Agile/Scrum, RESTful APIs, responsive design, test-driven development

Professional Experience

Metis — Software Developer

January 2024 – Present

• Collaborate with cross-functional teams to develop and deploy scalable web applications using Vue.js and .NET Core, serving enterprise clients with mission-critical business systems
• Engineered a .NET Core automation tool that reduced workers' compensation claims processing time by 90%, from 50-100 hours to an average of 5 hours, significantly improving operational efficiency and reducing processing costs
• Manage and optimize SQL Server databases by writing high-performance stored procedures, implementing efficient data access patterns, and conducting performance tuning to ensure rapid query execution
• Established CI/CD pipelines using Azure DevOps to streamline release cycles, automate testing and deployment processes, and improve overall product stability
• Write and maintain high-quality, maintainable code in JavaScript, CSS, and SQL while adhering to industry best practices and coding standards

Leadpoint Digital — Front-End Developer

May 2022 – January 2024

• Developed custom WordPress platforms and themes using JavaScript, PHP, Twig, Tailwind CSS, React, and Laravel, empowering marketing specialists to manage and publish content efficiently
• Implemented and automated CI/CD pipelines using GitHub Actions to ensure reliable code integration, automated testing, and seamless deployment workflows
• Collaborated directly with clients to understand requirements and deliver bespoke web solutions that exceeded quality and performance standards

Sitevision — Support Specialist/Developer

January 2021 – February 2022

• Provided technical support to clients managing websites, ensuring high availability and prompt resolution of critical outages
• Applied ColdFusion and PHP to troubleshoot complex technical challenges and enhance overall website performance

Ozmo — Mid-Level Content Developer

May 2018 – May 2019

• Developed self-guided tutorials for mobile devices using XML, contributing to engaging digital learning experiences
• Operated effectively within an agile development environment, participating in sprint planning, daily standups, and iterative development cycles

Education

Associate of Applied Science in Computer Science
Southwest Virginia Community College

Professional Certifications

Meta Front-End Developer Professional Certificate (Coursera)

• Introduction to Front-End Development
• Programming with JavaScript
• Version Control
• HTML and CSS in Depth
• React Basics

Building Web Applications in PHP (University of Michigan via Coursera)

Interests & Activities

Opera Singer & Composer — Passionate about classical vocal performance and musical composition, bringing creativity and discipline from the arts to problem-solving in software development