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I'm Marcelo Leopold, a seasoned PHP Software Engineer with over 15 years of experience in web application architecture and scalability. I specialize in Laravel, service-oriented architectures, and relational databases (MySQL, PostgreSQL). I earned Zend Certification and have hands-on experience across the full software development lifecycle, from requirements gathering to deployment. I'm currently studying CS50's Introduction to Computer Science (HarvardX CS50x) and am open to new opportunities. I thrive in Linux, Apache/Nginx environments, automated testing, security best practices, and collaborative cross-functional teams. I also enjoy automating processes with scripting and VBA to streamline scheduling, budgeting, and maintenance workflows.…I'm Marcelo Leopold, a seasoned PHP Software Engineer with over 15 years of experience in web application architecture and scalability. I specialize in Laravel, service-oriented architectures, and relational databases (MySQL, PostgreSQL). I earned Zend Certification and have hands-on experience across the full software development lifecycle, from requirements gathering to deployment. I'm currently studying CS50's Introduction to Computer Science (HarvardX CS50x) and am open to new opportunities. I thrive in Linux, Apache/Nginx environments, automated testing, security best practices, and collaborative cross-functional teams. I also enjoy automating processes with scripting and VBA to streamline scheduling, budgeting, and maintenance workflows.

Marcelo Leopold

Full Stack Developer, Web Developer, Developer, +2

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I'm Marcelo Leopold, a seasoned PHP Software Engineer with over 15 years of experience in web application architecture and scalability. I specialize in Laravel, service-oriented architectures, and relational databases (MySQL, PostgreSQL). I earned Zend Certification and have hands-on experience across the full software development lifecycle, from requirements gathering to deployment. I'm currently studying CS50's Introduction to Computer Science (HarvardX CS50x) and am open to new opportunities. I thrive in Linux, Apache/Nginx environments, automated testing, security best practices, and collaborative cross-functional teams. I also enjoy automating processes with scripting and VBA to streamline scheduling, budgeting, and maintenance workflows.…I'm Marcelo Leopold, a seasoned PHP Software Engineer with over 15 years of experience in web application architecture and scalability. I specialize in Laravel, service-oriented architectures, and relational databases (MySQL, PostgreSQL). I earned Zend Certification and have hands-on experience across the full software development lifecycle, from requirements gathering to deployment. I'm currently studying CS50's Introduction to Computer Science (HarvardX CS50x) and am open to new opportunities. I thrive in Linux, Apache/Nginx environments, automated testing, security best practices, and collaborative cross-functional teams. I also enjoy automating processes with scripting and VBA to streamline scheduling, budgeting, and maintenance workflows.

Available to hire

I’m Marcelo Leopold, a seasoned PHP Software Engineer with over 15 years of experience in web application architecture and scalability. I specialize in Laravel, service-oriented architectures, and relational databases (MySQL, PostgreSQL). I earned Zend Certification and have hands-on experience across the full software development lifecycle, from requirements gathering to deployment.

I’m currently studying CS50’s Introduction to Computer Science (HarvardX CS50x) and am open to new opportunities. I thrive in Linux, Apache/Nginx environments, automated testing, security best practices, and collaborative cross-functional teams. I also enjoy automating processes with scripting and VBA to streamline scheduling, budgeting, and maintenance workflows.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Portuguese

Fluent

English

Intermediate

Spanish; Castilian

Intermediate

Work Experience

Software Engineer at Resia

January 1, 2024 - October 15, 2025

Engineered and deployed a Quality Control System (Laravel 10, jQuery, MySQL) that streamlined construction workflows, reduced rework, and improved project delivery timelines. Enhanced system scalability and maintainability by designing structured APIs and optimizing MySQL queries for faster performance. Improved cost-efficiency by implementing advanced defect-tracking features that minimized resource waste. Collaborated with cross-functional teams to ensure applications were secure, reliable, and aligned with business goals. Developed automated VBA tools and integrations to accelerate scheduling and budgeting processes, reducing manual analysis time for project control teams. Optimized project management workflows by building tools that streamlined scheduling, budgeting, and rework analysis, enabling faster decision-making. Implemented automation to improve construction and maintenance workflows, resulting in better cost tracking and resource allocation.

Remote Full Stack Engineer at PHP Freelance

January 1, 2021 - October 15, 2025

Designed and delivered custom web systems for small businesses, enabling increased market visibility, expense control, and client scheduling. Built applications using Laravel 8, RESTful APIs, and secure authentication protocols (JWT, OAuth 2), including queue processing and real-time notifications via WebSockets. Optimized database operations with MySQL, leveraging migrations, indexing, and efficient queries with Eloquent ORM. Implemented CI/CD pipelines and automated deployments with GitHub Actions, improving release speed and reliability.

Software Engineer at MaxMilhas

January 1, 2017 - October 15, 2025

Designed and maintained financial and booking systems with Laravel, integrating multiple external APIs to reduce costs, increase efficiency, and improve scalability.

Full Stack Developer at Aceleradora d.E.

January 1, 2014 - October 15, 2025

Developed and delivered a University Research Projects Management platform from scratch using PHP, Symfony, MySQL and modern DevOps tools (Jenkins, Git), improving system reliability with automated testing and CI/CD.

Software Engineer at UseInternational

January 1, 2012 - October 15, 2025

Built a layered architecture system with Zend Framework, MySQL, and Angular, optimizing performance and ensuring scalability while maintaining data integrity and documentation.

Full Stack Developer at Algar Tech

January 1, 2009 - October 15, 2025

Developed and maintained a large-scale e-commerce platform with LAMP stack, improving performance, security, and system stability while supporting both PHP and legacy Java systems.

Full Stack Developer at Bolt Brasil Comunicação Digital

January 1, 2006 - October 15, 2025

Designed and implemented multiple websites and e-commerce solutions in PHP/MySQL, creating reusable libraries and improving delivery speed and client satisfaction.