Albert R.

Front-end UX Engineer

FullStack Developer
4/1/2023 - Present

Developed and maintained a sophisticated custom system utilizing PHP 7.2, with a robust front-end built in HTML and JavaScript. Integrated the system with Redis for efficient messaging, ensuring seamless communication and data exchange between various components of the application. Demonstrated technical proficiency in handling full-stack development tasks, optimizing code performance, and troubleshooting complex issues to maintain system integrity and performance.

PHP Back-End Developer
12/1/2022 - 3/1/2023

Developed and maintained back-end systems utilizing PHP and the Lumen Framework, with extensive use of MySQL databases. Demonstrated expertise in optimizing system performance and ensuring seamless data management and retrieval. The role required a deep understanding of system architecture, robust query design, and proactive troubleshooting to maintain high uptime and reliability. Consistently updated and refactored code to enhance system efficiency and scalability.

PHP Developer - Mid Level (Freelancer)
4/1/2022 - 9/1/2022

Engaged in a temporary contract focusing on the maintenance and development of legacy code systems using PHP and the Symfony framework. Specialized in database management with MySQL and implemented messaging solutions using Redis and RabbitMQ.

Machine Learning Engineer (Freelancer)
7/1/2021 - 12/1/2021

Spearheaded the development of a cutting-edge reinforcement learning and deep learning system. The project integration involved extensive use of the NVIDIA Jetson Nano development board and Arduino, ensuring seamless connectivity and data transfer between these platforms. Additionally, managed servers hosted on AWS to leverage scalable computing resources and enhance system performance. Through this role, achieved proficiency in implementing advanced machine learning algorithms and gained hands-on experience with cloud-based server maintenance and optimization.

freelancer
11/1/2020 - 6/1/2021

Specialized in the development of custom systems, achieving proficiency in languages and frameworks essential for tailored solutions. Acquired significant expertise in PHP, utilizing frameworks such as Laravel and Symfony to enhance application performance and scalability. Demonstrated advanced skills in JavaScript frameworks like Angular and React, creating dynamic and responsive user interfaces. Built and optimized back-end services using NodeJS and Express, ensuring efficient data handling and server-side operations.

Worked extensively with relational and non-relational databases, including MySQL, PostgreSQL, and MongoDB, to design robust data models and perform complex queries. Utilized version control systems, specifically Git, to manage and collaborate on code effectively. Employed Docker for containerization, streamlining the deployment process and facilitating a seamless development environment.

Incorporated Agile methodologies, particularly Scrum, to manage project lifecycles, prioritize tasks, and improve team collaboration and productivity. Leveraged tools like JIRA for project tracking and Confluence for documentation, ensuring efficient project management and clear communication among stakeholders. Developed and maintained RESTful APIs, enhancing interoperability between different systems and enabling integration of third-party services.

Emphasized test-driven development (TDD) practices, using tools such as PHPUnit and Jest for unit testing, to ensure code reliability and maintainability. Implemented continuous integration and continuous deployment (CI/CD) pipelines using Jenkins and GitLab CI, automating testing and deployment processes to improve development speed and code quality. Ensured adherence to best security practices, performing regular code reviews and utilizing static analysis tools like SonarQube to identify vulnerabilities and maintain high code standards throughout the development lifecycle.

Mid-Level Programmer
10/1/2017 - 10/1/2020

Gained proficiency in both front-end and back-end development, specializing in JavaScript, HTML5, and CSS3 for creating dynamic, user-friendly interfaces. Developed extensive experience working with frameworks such as ReactJS and AngularJS, which were utilized to enhance client-side application performance. On the server side, gained expertise in Node.js and Express.js, facilitating robust and scalable server-side solutions. Demonstrated competency with databases, including MongoDB and MySQL, managing data storage and retrieval efficiently. Adhered to Agile methodologies and contributed to sprint planning and daily stand-ups, fostering effective team collaboration. Utilized version control systems including Git for code management and collaboration, ensuring seamless integration of development efforts. Focused on unit and integration testing with tools such as Jest and Mocha to maintain high code quality standards. Engaged in continuous learning and adaptation to emerging tools and technologies, contributing to the overall enhancement of system development capabilities.

Junior Developer
1/1/2013 - 10/1/2017

Developed proficiency in both frontend and backend programming, contributing to system development notably in the healthcare sector. Acquired extensive experience in PHP and utilized frameworks such as Doctrine and Silex to build and maintain robust web applications. Engaged in client-side development using Ext JS 4.2, NodeJS, and Vue.js, ensuring responsive and dynamic user interfaces. Additionally, demonstrated skills in managing databases, working with PostgreSQL and MongoDB for efficient data storage and retrieval. Employed version control systems, ensuring collaborative code maintenance and seamless team integration using SVN and Git.

Junior Developer
1/1/2012 - 4/1/2012

Developed proficiency in PHP, with extensive experience in the installation, configuration, and programming of websites using the CMS Drupal. Demonstrated ability to customize PHP scripts to meet specific requirements and enhance website functionality.

Intern - Computer Technician
7/1/2008 - 1/1/2012

Engaged in comprehensive technical support activities for hardware and software, exhibiting strong problem-solving capabilities. Specialized in PHP development with seamless MySQL database integration, ensuring robust backend functionality. Managed and developed websites, employing CMS Drupal alongside Zend and CodeIgniter frameworks to enhance user experience and website performance. Executed installation and configuration of various operating systems, including Linux (Debian, Ubuntu) and Windows (XP, 7), showcasing versatility across platforms. Oversaw the installation, configuration, and maintenance of intranet networks, ensuring reliable connectivity and network performance.

Intern - Programmer
1/1/2006 - 1/1/2008

Developed proficiency in providing software support to assist users in processing clusters. Demonstrated expertise in developing PHP pages with integration to PostgreSQL database. Managed deployment of systems in grid computing environments utilizing Globus Toolkit software. Acquired extensive skills in installation and configuration of various operating systems, including Linux distributions (Debian, Scientific Linux, Red Hat, Ubuntu), Solaris 10, Opensolaris, FreeBSD, and Windows XP.

Accounting Technician at Flamingo College
1995 - 1997

Physics (Bachelor of Basic Research) at Institute of Physics of the University of São Paulo
1999 - 2003

Master's Degree in Machine Learning Engineering at Udacity EAD
4/1/2020