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Junio D.
Full-stack Product Engineer

Github
Cascading Style Sheets
Laravel
Javascript
Php
Bootstrap
Bio

User Experience professional possessing a distinctive combination of creativity, attention to detail, and empathy, committed to enhancing user experiences through innovative solutions. Demonstrates extensive proficiency in backend development using PHP Vanilla, Zend Framework, CodeIgniter, Slim Framework, Laravel, and PHPUnit, with substantial experience in building RESTful APIs and integrations. Frontend development skills cover JavaScript (Vanilla and jQuery), as well as TypeScript with Angular and VueJS. Adept at working with databases, including MySQL, PostgreSQL, and SQL Server, and skilled in employing Jira for task management and Slack for communication purposes. Knowledgeable in Docker environments, with a track record of developing shared libraries for microservices using the Slim Framework. Adheres to SOLID principles and clean code practices.

The programming journey began in adolescence, managing a multiplayer online game server and modifying PHP websites for user registrations. Technical expertise was further developed through professional courses and a technical degree in computer science. Demonstrates capability in handling projects of various scales across multiple sectors, consistently pursuing creative solutions that significantly impact user experiences.

  • PHP Developer
    3/1/2023 - 9/1/2023

    Refactored a system utilizing PHP, CodeIgniter, MySQL, and jQuery, addressing bugs and implementing new functionalities such as QR Code check-in and photo uploads to AWS S3 to cater to client requirements. Developed endpoints including routes, controllers, interfaces, repositories, custom requests, and custom rules, as well as integrated mailjet (channel, notification, and service) in Laravel 9. Created reusable components and screens in Angular for a sales incentive system.

  • PHP Developer
    12/1/2021 - 2/1/2023

    Implemented a robust tag system and managed both manual and automatic relationships between events, adhering to complex business rules such as overlapping schedules and event repetition for a gym management SaaS. Developed functionality for bulk updates using PHP, MySQL, and VueJS. Led the creation of Vue screens and components leveraging the Vue Option API. Played a key role in front-end development as part of a Scrum-based team using Docker and Docker Compose for environment management. Conducted thorough code reviews and ensured rigorous automated testing with PHPUnit. Utilized Jira for task management. Successfully integrated ControlID equipment incorporating facial recognition and biometric systems for enhanced access control. Collaborated effectively in a team of four developers.

  • PHP Developer Full-Stack Senior
    5/1/2018 - 12/1/2019

    Developed a custom plugin to resolve translation incompatibilities between a WordPress theme and the WPML plugin. Fixed endpoint integration issues with a partner company's system. Created fully custom WordPress themes from PSD files, utilizing Advanced Custom Fields (ACF) Pro with Flexible Content to enhance theme flexibility and user experience.

  • PHP Developer Full-Stack Senior
    4/1/2017 - 5/1/2018

    Developed integration functionalities for sending emails via Gmail, handling potential Facebook clients, and managing OLX inquiries. Implemented lead synchronization with Fiat's internal system in Argentina, and resolved integration bugs related to Mercado Livre inquiries. Created a file generator in vanilla PHP for generating models and DAOs based on table names. Contributed to a microservices migration from a monolithic architecture as part of a four-member team.

  • PHP Developer Full-Stack Senior
    7/1/2012 - 3/1/2017

    Developed a system utilizing PHP, Zend Framework, MySQL, and jQuery to record and analyze demonstration data for agricultural product applications. This project aimed to compare the efficiency of DuPont's products against competitors within specified producer areas. Additionally, played a key role in the development of various corporate websites, collaborating closely with a small team composed of one developer and one designer. This role advanced technical expertise in PHP and Zend Framework, enhanced database management skills with MySQL, and refined client-side scripting abilities using jQuery.

  • PHP Developer Full-Stack Senior
    11/1/2011 - 6/1/2012

    Worked collaboratively within a Scrum team structure, consisting of four developers and a Scrum Master, focused on addressing bug fixes and implementing small-scale features for the front end of Dafini.com.br online store. Collaborated closely with a dedicated QA team to ensure high-quality releases. Implemented continuous integration strategies enhanced by automated testing using PHPUnit, thereby improving code reliability and deployment efficiency.

  • PHP Developer Full-Stack
    9/1/2010 - 10/1/2011

    Achieved proficiency in developing a news website utilizing PHP with the Zend Framework, combined with MySQL for backend data management and jQuery for dynamic front-end interactions. Developed a website dedicated to used car advertisements, leveraging the same technology stack to ensure efficiency and maintainability. In addition, played a critical role in creating a system for capturing and selecting country singers, building a robust backend platform to facilitate judge evaluations. Worked in a small, collaborative team environment consisting of two developers and one designer, ensuring seamless integration and cohesive project delivery.

  • PHP Full-Stack Developer / Coordinator
    1/1/2009 - 9/1/2010

    Refactored a significant portion of a proprietary CMS utilizing vanilla PHP, MySQL, and jQuery, which resulted in improved performance and maintainability. Developed corporate websites and a loyalty system redemption website using the same technology stack. Contributed to the development of a Tamagotchi-like game, working closely with a team of seven developers and two designers, leveraging vanilla PHP, MySQL, and jQuery to create an engaging user experience.

  • PHP Developer Full-Stack Junior
    9/1/2008 - 12/1/2008

    Developed new system screens for benefit cards using Vanilla PHP, MySQL, and jQuery, while also addressing and resolving existing bugs. Worked closely with a team comprising two developers and one designer to ensure seamless functionality and user experience.

  • PHP Developer Full-Stack Junior
    6/1/2008 - 10/1/2008

    Developed a comprehensive website for a dental clinic using vanilla PHP, MySQL, and jQuery, featuring an admin panel to manage content and schedule appointments. Designed and implemented a client-facing calendar for appointment booking. The project was successfully completed as a solo endeavor and was commissioned as a paid project during a programming course. Demonstrated proficiency in frontend and backend development, as well as project management and client communication.

  • Development in Delphi - with SQL Server at BitCompany School
    2007 - 2007

  • Technical Course in Computer Science - PHP, JavaScript, CSS, HTML, Photoshop, Illustrator, InDesign, CorelDRAW, and Entrepreneurship. at BitCompany School
    2008 - 2008

  • Webmaster - Web Development PHP and JavaScript at BitCompany School
    2007 - 2007

  • Spanish at Hibra School
    2016 - 2016

  • Spanish at Kumon
    2016 - 2016

  • Java Beginner at OpenK/AlgaWorks School of Courses and Training (2010)
    2010 - 2010

  • Workshop on WordPress Plugin Development at WordCamp São Paulo 2016
    2016 - 2016

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