Guilherme R.
Back-end and Systems Engineer

Skills

Node.js

Kubernetes

Ruby On Rails

Typescript

Github

Microsoft Sql Server

Php

Python

Postgresql

Mysql

Mongodb

Redis

Docker Cloud

Guilherme is available for hire

Hire Guilherme R.

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Bio

A seasoned Backend Developer with over fifteen years of experience in the field, demonstrating a robust track record across diverse application types. This professional constantly stays abreast of emerging technologies, exhibits a quick learning aptitude, and deeply values quality and mutual recognition while confidently embracing challenges.

The developer's expertise encompasses a range of tools and frameworks with a primary focus on Backend development, including Python, Node.js, Ruby on Rails, .Net Core, and PHP. Currently, the professional is deeply engaged in continuous integration and continuous deployment (CI/CD) practices, developing applications utilizing Docker, Kubernetes, messaging systems, clean architecture, and unit/integration testing, among other patterns pertinent to microservices.

Senior Software Engineer
2/1/2022 - Present

Oversaw the management, development, and maintenance of systems and web services with a strong emphasis on e-commerce platforms. Developed expertise in various programming languages and frameworks including PHP, Python, and Java. Utilized front-end technologies such as HTML, CSS, and JavaScript alongside modern libraries and frameworks like Angular and React to enhance user experience. Demonstrated extensive knowledge in back-end development using Node.js, Express, and Django. Managed and optimized databases utilizing MySQL, PostgreSQL, and MongoDB to ensure efficient data storage and retrieval. Implemented RESTful and GraphQL APIs for seamless integration with third-party services and internal systems. Applied containerization tools like Docker and orchestration platforms such as Kubernetes to streamline deployment processes. Ensured robust version control and collaborative development using Git. Monitored and improved system performance leveraging cloud services like AWS, Azure, and Google Cloud. Played a pivotal role in enhancing security protocols and ensuring compliance with industry standards and regulations.
Senior Backend Developer
12/2/2019 - 11/1/2021

Spearheaded the management, development, and maintenance of comprehensive systems and web services in the tourism sector. Mastery of PHP, facilitating the backend development of various applications. Employed frameworks such as Laravel and Symphony to streamline development processes, ensuring robust and scalable solutions. Implemented and managed RESTful web services to enhance system interoperability and user experience. Utilized HTML, CSS, and JavaScript, with proficiency in Vue.js and React, to develop responsive and user-friendly front-end interfaces. Leveraged MySQL and MariaDB for database management, ensuring data integrity and optimizing query performance. Applied version control using Git, ensuring smooth collaborative development and code maintenance processes. Worked extensively with AWS services for deployment, scalability, and reliability of the applications developed. Played a crucial role in integrating third-party APIs to expand functionality and service offerings in the tourism domain.
Full Stack Developer
11/2/2014 - 12/2/2019

Led the management, development, and maintenance of systems and web services across diverse domains including financial management, media, social networks, mobile applications, and games. Applied technical expertise to enhance both backend and frontend functionalities, ensuring robust, scalable, and high-performing solutions. Deployed and optimized various frameworks, tools, and platforms to meet project requirements effectively. Demonstrated proficiency in leveraging modern web technologies to create seamless user experiences and integrated advanced features to maintain competitive edge in rapidly evolving industries.
Senior Backend Developer
3/2/2014 - 11/2/2014

Led the development and maintenance of web and desktop services and systems tailored for call centers and personnel management. Gained proficiency in developing scalable solutions, optimizing system performance, and integrating complex functionalities to enhance user experience. Utilized a variety of tools and frameworks, including PHP, Java, Angular, React, and .NET, to build robust applications. Demonstrated expertise in database management using MySQL, SQL Server, and Oracle, ensuring data integrity and efficient retrieval processes. Implemented version control and collaborative development practices through Git and SVN, facilitating seamless team collaboration and code management. Pioneered the adoption of CI/CD pipelines to streamline the deployment process, resulting in reduced downtime and faster delivery cycles.
Full Stack Developer
10/2/2013 - 12/2/2013

Specialized in the development and maintenance of web services and e-commerce systems, employing a robust tech stack that includes PHP, Symfony, and Laravel frameworks. Gained extensive experience with front-end technologies such as React and Angular, and integrated RESTful APIs to enhance functionality. Utilized MySQL and MongoDB for database management, ensuring data integrity and performance optimization. Applied version control best practices using Git and leveraged CI/CD pipelines for seamless deployment. Enhanced security measures and conducted thorough testing using PHPUnit and Jasmine, contributing to overall system reliability and user satisfaction.
Full Stack Developer
9/2/2012 - 7/2/2013

Developed extensive expertise in the development and maintenance of web services and systems tailored for professional repositioning and HR consulting. Demonstrated proficiency in PHP and leveraged frameworks including Laravel for backend development. Utilized Angular and React to create dynamic and responsive user interfaces. Implemented robust data management solutions with MySQL and MongoDB. Adopted Agile methodologies and employed Jira for project tracking and collaboration. Integrated third-party APIs to enhance system functionality. Ensured secure and scalable application deployment using Docker and Kubernetes. Maintained code quality and version control with Git and Bitbucket. Developed skills in CI/CD pipelines to streamline and automate the deployment process.
Full Stack Developer
2/2/2012 - 11/2/2012

Specialized in web system development and maintenance, achieved proficiency in PHP, Doctrine, and Silex. Conducted extensive work on Ext JS 4.2, NodeJS, and Vue.js, enhancing the functionality and user experience of web applications. Demonstrated robust skills in database management with PostgreSQL and MongoDB. Ensured collaborative code maintenance and version control using SVN and Git, contributing to streamlined project workflows and consistent code quality.
Full Stack Developer
11/2/2011 - 2/2/2012

Acquired strong expertise in the development and maintenance of web services and systems, specifically tailored for social networks, pets, and agribusiness platforms. Developed proficiency in PHP, Python, JavaScript, and Ruby. Utilized frameworks such as Laravel, Django, and Rails to implement scalable and efficient solutions. Demonstrated skills in both relational databases including MySQL, PostgreSQL, and NoSQL databases like MongoDB. Employed front-end frameworks such as Angular, React, and Vue.js to create intuitive user interfaces. Ensured collaborative code maintenance and version control using Git. Enhanced system performance and user engagement by implementing API integrations, real-time data processing, and data analytics tools.
Backend Developer
7/2/2011 - 10/2/2011

Led the development and maintenance of comprehensive web services and systems geared towards optimizing HelpDesk, Customer Service, Shared Services, and Ombudsman's office functionalities. Acquired expertise in building robust systems with a focus on improving customer interactions and internal service efficiency. Utilized various frameworks and tools to create scalable and resilient architecture. Enhanced technical capabilities in backend and frontend development while ensuring seamless integration and efficient system performance.
Full Stack Developer
10/2/2009 - 7/2/2011

Developed and maintained web services and systems focused on monitoring and managing internet access. Proficiency gained in various programming languages and technologies, including PHP, Python, and JavaScript. Utilized MySQL for database management and leveraged frameworks such as Laravel and Django for backend development. Extensive experience with front-end technologies like React and Angular to create interactive user interfaces. Employed RESTful API standards for seamless integration between systems. Demonstrated expertise in network protocols and internet traffic monitoring tools. Ensured code quality and collaborative development through the use of Git for version control.
Full Stack Developer
1/2/2009 - 10/2/2009

Gained expertise in the development and maintenance of web services and systems with a focus on websites and e-commerce. Demonstrated proficiency in HTML, CSS, JavaScript, and PHP, along with extensive work in e-commerce platforms like Magento and Shopify. Leveraged frameworks such as Laravel and CodeIgniter to build scalable web applications. Utilized MySQL and PostgreSQL for database management, ensuring optimal performance and data integrity. Implemented RESTful APIs for seamless integration with third-party services and streamlined front-end development with tools like React and Angular. Ensured a high standard of code quality and collaborative maintenance using version control systems including Git. Additionally, optimized website performance and user experience through effective use of caching mechanisms and responsive design principles.
Backend Developer
4/2/2008 - 11/2/2008

Spearheaded the development and maintenance of web services and systems, specifically designed for websites and e-commerce platforms. Achieved proficiency in PHP, Laravel, Ruby on Rails, and Django, leveraging these frameworks to optimize performance and scalability. Utilized JavaScript, HTML5, CSS3, and frameworks such as AngularJS and React to create responsive and dynamic user interfaces. Demonstrated expertise in relational databases like MySQL and PostgreSQL, as well as NoSQL databases like MongoDB. Implemented RESTful APIs to improve communication and data exchange between client and server. Ensured rigorous version control and project collaboration through the use of GitHub and Bitbucket. Applied Agile methodologies to manage project timelines and deliver high-quality products. Enhanced site reliability and performance with tools such as Docker, Jenkins, and Kubernetes for continuous integration and deployment. Conducted comprehensive testing using Jest and Mocha to ensure functionality and user satisfaction.
Full Stack Developer
2/2/2008 - 4/2/2008

Contributed to the maintenance and development of a comprehensive portal dedicated to promoting automotive resales. Developed proficiency in PHP, Doctrine, and Silex, ensuring efficient backend development. Extensively worked with front-end technologies such as Ext JS 4.2, NodeJS, and Vue.js to enhance user interface and experience. Demonstrated strong skills in managing and optimizing databases using PostgreSQL and MongoDB. Ensured collaborative code maintenance and version control through the use of SVN and Git.
Full Stack Developer / Support
8/2/2007 - 1/2/2008

Specialized in the maintenance of networks and technical support, implementing websites to meet diverse client needs. Gained extensive experience in network troubleshooting, configuration, and security management, ensuring system reliability and performance. Developed expertise in web technologies including HTML, CSS, JavaScript, and PHP, along with familiarity with content management systems such as WordPress and Drupal. Utilized tools like Wireshark and Nagios for network monitoring and diagnostics, and mastered web hosting environments, DNS management, and SSL certificate installations. Established efficient workflows using version control systems like Git, promoting seamless collaborative development. Proved adept at both independent problem-solving and contributing to team-based projects, continuously improving web services and network infrastructure.

Information Technology at Pro-University Institute
2006 - 2008
Systems Analysis and Development at International University Center UNINTER
2015 - 2017
Information Technology at Open Higher School of Brazil
2013 - 2013