Guilherme Trevisan de Oliveira Backend

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Techlead

Infocar

Dec 2023 - Dec 2025 (2 years 1 month)

As a Techlead, I spearheaded the development of advanced PHP applications utilizing AI image inference and learning technologies tailored for the automotive industry. My expertise in software architecture ensured robust and scalable solutions, while I effectively managed dependencies using Composer and optimized server performance with Nginx. Additionally, I leveraged my experience with Node.js from previous projects, where I integrated payment systems and other functionalities, to enhance our team's overall technical capabilities and maintain legacy systems. Furthermore, I utilized Babel to ensure compatibility across different JavaScript versions, which contributed to a smoother development process. My familiarity with Vue.js allowed me t

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Senior php

Netshow.me

Jun 2021 - Dec 2023 (2 years 7 months)

As a Senior PHP Developer, I specialized in developing and maintaining a robust PHP OTT platform, focusing on streaming services and payment integrations. My expertise in software architecture allowed me to design scalable solutions that enhanced user experience and system performance. I utilized Composer for efficient dependency management and configured Nginx to optimize server performance. Additionally, I leveraged Node.js for real-time project implementations, such as chat functionalities, which enriched the platform's interactivity and responsiveness. Furthermore, I incorporated Vue.js in conjunction with Inertia.js to create a seamless single-page application experience within the Laravel framework, enhancing the overall user interfac

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Senior PHP Developer

Talentify.io

Nov 2020 - Apr 2021 (6 months)

- As a Senior PHP Developer, I developed robust solutions using PHP7+, employing Domain-Driven Design (DDD) principles and unit testing to ensure high-quality code. I utilized MySQL for database management and implemented the Phalcon Framework to enhance application performance. My experience with Docker facilitated efficient development and deployment processes within a Scrum environment. Additionally, I leveraged Amazon Simple Storage Service (Amazon S3) for temporary file storage and caching, optimizing application performance and resource management. This integration of cloud services allowed for improved scalability and reliability in our software solutions.

Technical Team Lead

Visionnaire

Mar 2020 - Dec 2020 (10 months)

- Acted as the Technical Team Lead, maintaining direct contact with clients to develop tasks, diagrams, and comprehensive reports that align with project goals. - Spearheaded the consultancy program Oi Futuro, ensuring that client needs were met through tailored solutions. - Developed robust code using PHP 7.4+, Redis, MySQL, and Symfony 5, while also leveraging Docker for containerization to streamline deployment processes. - Led a team of four programmers, fostering a collaborative environment through Scrum methodologies to enhance productivity and project delivery. - Utilized Nginx in conjunction with PHP for Symfony projects, optimizing server performance and ensuring efficient handling of web requests, which contributed to the over

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Senior PHP Programmer

CHTechnology

Jun 2018 - Feb 2020 (1 year 9 months)

- Developed a robust streaming portal utilizing PHP, NodeJS, and VueJS, ensuring seamless integration of real-time chat, video on demand (VOD), and live streaming (OTT) functionalities. - Implemented cloud solutions and established continuous integration/continuous deployment (CI/CD) pipelines to enhance deployment efficiency and reliability. - Leveraged TypeScript alongside VueJS to improve code quality and maintainability, ensuring a more scalable front-end architecture. - Designed and optimized APIs to facilitate smooth communication between the front-end and back-end systems, while employing MySQL for efficient data management and retrieval. - Applied full-stack development skills to create a cohesive user experience, integrating Ng

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Senior PHP Programmer / Owner

KongKode

Nov 2017 - Current (8 years 9 months)

- I work on a new Laravel/Symfony, PHP7.4 & Swoole, project with VueJS, socket, MySQL, MongoDB, sprint board "JIRA and ClubHouse", 7 members on the development team. - DevOps, Docker, Linux and AWS Services Manager. - Occasionally maintenance on legacy systems with Yii framework Using new technologies from PHP, Swoole, non-blocking connection client experience, resulting in ultra fast PHP, Also tunning opcache / JIT, PHP 7/8 features - Laravel 5/6/7/8/9 - Symfony 3/4/5 - VueJS 2+ - PHP - MongoDB 4 - ElasticSearch / Sphinx - MySQL/MariaDB - Linux/Unix - Yii1/2 - Docker/Kubernetes - Swoole PHP - NodeJS - Nginx - Redis - AWS ECS / Fargate - Bitbucket Pipeline CI/CD - JIRA - Github

Senior PHP Programmer

K2 Partnering Solutions

Nov 2017 - Jul 2018 (9 months)

- Developed robust systems using PHP7+ with Yii Framework versions 1 and 2, ensuring high performance and scalability. - Contributed to systems architecture, providing maintenance and support to colleagues, which enhanced team collaboration and project efficiency. - Utilized frontend libraries such as ReactJS and jQuery to create dynamic user interfaces, improving user experience. - Leveraged cloud technologies including AWS and Google Cloud, alongside containerization with Docker, to streamline deployment processes and enhance system reliability. - Managed databases using MySQL, Memcached, and Sphinx to optimize data retrieval and application performance, while also integrating PostgreSQL with Yii2 for enhanced data management capabili

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Team leader and Back-end Developer

Synus Cybersecurity

Jan 2017 - Oct 2017 (10 months)

- As a Team Leader and Back-end Developer, I played a pivotal role in systems architecture, maintenance, and support for colleagues, ensuring seamless operations and high-quality deliverables. - Developed robust applications using PHP7+ and Yii version 2, leveraging my expertise in software development and architecture to create efficient and scalable solutions. - Led a team of developers, fostering collaboration and knowledge sharing to enhance project outcomes. - Additionally, utilized SQL and PostgreSQL in conjunction with Yii2 to optimize database interactions, ensuring data integrity and performance across applications.

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Fullstack PHP

CPN Informática

Jun 2015 - Nov 2016 (1 year 6 months)

As a Fullstack PHP Developer, I was responsible for conducting thorough analysis and requirements surveys to inform systems programming using JavaScript and PHP. My role involved Oracle Database Modeling (MRN) and the development of robust web architectures, leveraging frameworks such as Yii2 and JavaScript to deliver high-quality applications. I utilized the DigitalOcean platform for deployment and scaling, ensuring optimal performance and reliability. Additionally, while UX/UI design was not my primary focus, I created applications with user experience considerations in mind, enhancing usability and engagement through thoughtful design elements. My expertise in full-stack development, API design, and server management with Nginx further c

Programmer

PUCPR

Nov 2012 - Jul 2013 (9 months)

- Developed the portal domus.pucpr.br using Moodle, ensuring a seamless user experience through effective software development practices. - Utilized MySQL for database management and implemented both vanilla JavaScript and jQuery for dynamic front-end functionality. - Created virtual machines in Hyper-V, specifically deploying Debian servers to support development environments. - Additionally, leveraged Yii2 framework to manage and maintain legacy projects, ensuring their continued functionality and integration with modern systems.

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Junior Programmer

DNIT

Sep 2010 - Feb 2011 (6 months)

- Develop internal system with Python ( zope ) - PostgreSQL

Support Assistant

PUCPR

Jun 2010 - Sep 2011 (1 year 4 months)

- Hardware and Software Maintenance, Operating Systems: Windows, MacOSX and Linux

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Junior Programmer

Ethymos Soluções em Web

Apr 2008 - Dec 2008 (9 months)

As a Junior Programmer, I was responsible for developing and maintaining blogs and websites using WordPress, leveraging my skills in PHP, MySQL, and vanilla JavaScript to create dynamic and user-friendly interfaces. My role involved collaborating with team members to ensure seamless integration of various components, enhancing the overall functionality of the sites. Additionally, my understanding of full-stack development principles allowed me to contribute to both front-end and back-end tasks, ensuring a cohesive development process and improving the efficiency of our projects.

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Computer technician

Comp Laser

Jun 2005 - Feb 2006 (9 months)

- Maintenance of hardware and software (Windows) - Administration of Linux servers

Guilherme Trevisan de Oliveira

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