Rafael D.

Full-stack Product Engineer

Laravel Developer
5/1/2022 - 5/1/2023

Spearheaded the maintenance and development of an internal process management system. Gained comprehensive expertise in Python and Django for backend development, enhancing system functionalities and performance. Utilized Angular and React.js for designing intuitive frontend interfaces. Employed PostgreSQL for database management, ensuring data integrity and optimal query performance. Applied advanced knowledge in Docker, enabling scalable environment setups and streamlined deployment processes. Leveraged Jenkins for continuous integration and continuous deployment (CI/CD) workflows, significantly improving release efficiency. Integrated RESTful APIs to facilitate seamless interactions with external services. Enhanced system security through implementation of OAuth2 authentication standards. Conducted thorough unit and integration testing using PyTest and Selenium to ensure robust system functionality. Demonstrated proficiency in Agile methodologies, facilitating efficient collaboration and iterative development cycles.

Lead Developer
11/1/2017 - 11/1/2020

Led the team in developing tools for automated message delivery via SMS, WhatsApp, and email, as well as an online appointment booking system through a call center. Engaged in both development and validation of these applications. Executed integrations with major databases widely used in the market, ensuring seamless functionality and data management.

Full Stack Developer
7/1/2014 - 10/1/2015

Oversaw the development and maintenance of an online appointment booking system, ensuring seamless end-user functionality and streamlined processes. Maintained and enhanced appointment booking systems specifically tailored for call centers, enabling efficient management and scheduling. Developed strong technical expertise in web-based application frameworks and database management. Utilized tools and technologies such as HTML, CSS, JavaScript, and SQL. Implemented backend functionality using frameworks like Django and Flask, while ensuring system stability and scalability. Employed version control methodologies using Git, optimizing collaborative efforts within the development team.

PHP Programmer
2/1/2013 - 11/1/2013

Developed expertise in creating and maintaining products related to website hosting and email sending. Demonstrated proficiency in PHP, leveraging frameworks such as Laravel and Symfony to build scalable and robust applications. Gained substantial experience in front-end technologies including HTML, CSS, JavaScript, and libraries like React.js and Angular. Worked extensively with MySQL for database management, ensuring optimized query performance and data integrity. Utilized Docker for containerization, simplifying deployment processes, and ensuring consistency across development environments. Employed continuous integration and continuous deployment (CI/CD) pipelines using Jenkins and GitLab CI to streamline development workflows. Mastered version control using Git, ensuring efficient collaboration within development teams. Developed skills in configuring and managing web servers like Apache and Nginx, optimizing performance and security settings. Implemented security best practices including SSL/TLS configurations, data encryption, and securing APIs to protect sensitive information. Gained proficiency in utilizing cloud services and API integrations to enhance product functionality and reliability.

PHP Programmer
5/1/2012 - 4/1/2013

Developed and maintained the company's cargo shipment management system and partner management platform. Gained proficiency in Java, Spring Framework, and Hibernate for backend development while utilizing Angular and React for front-end tasks. Enhanced database management skills with Oracle and MySQL. Ensured high code quality and minimal system downtime through unit testing with JUnit and integration testing. Leveraged Docker and Kubernetes for containerization and orchestration, ensuring seamless deployment processes. Employed Jenkins for continuous integration and delivery (CI/CD) pipelines. Improved collaborative development and version control using Git and GitHub. Managed API integrations using RESTful services and optimized performance through load balancing and caching mechanisms. Boosted system security by implementing OAuth and SSL encryption.

PHP Programmer
10/1/2011 - 1/1/2012

Engineered and launched multiple high-performance websites employing technical proficiency in HTML, CSS, JavaScript, and PHP. Leveraged frameworks such as Laravel, Vue.js, and Bootstrap to enhance functionality and aesthetic appeal. Utilized content management systems like WordPress and Joomla for streamlined site management. Demonstrated aptitude in database management with MySQL, optimizing queries for faster load times. Ensured robust version control and collaborative code maintenance using Git. Integrated APIs to connect disparate systems smoothly, enhancing overall user experience and site functionality. Employed responsive design principles to ensure seamless user experiences across devices and browsers. Conducted in-depth testing and debugging to maintain site reliability and performance.

PHP Programmer
6/1/2011 - 9/1/2011

Led the development of the internal system, showcasing expertise in JavaScript, Python, and Ruby on Rails. Utilized PostgreSQL and MySQL for database management, ensuring efficient data handling and storage. Integrated various APIs to streamline functionalities and enhance system capabilities. Employed Docker and Kubernetes for containerization and orchestration, fortifying the infrastructure. Leveraged frameworks such as React and Angular to build responsive front-end interfaces. Used Jenkins for continuous integration and deployment, automating workflows and improving productivity. Enhanced code quality and version control through rigorous application of Git. Developed cloud-based solutions using AWS, focusing on scalability and performance optimization. Demonstrated adeptness in problem-solving and debugging, leading to increased system reliability and user satisfaction. Collaborated seamlessly with cross-functional teams, adhering to Agile methodologies to ensure timely project delivery and alignment with business goals.

Primary Education at State School Manoel de Mattos Pinho
1995 - 2005

Internet Systems at Maringá University
2016 - 2019

Project Management with Scrum at iMasters
7/1/2013