Rafael D.
Back-end and Systems Engineer

Skills

Laravel

Github

Javascript

Php

Mysql

Elasticsearch

Amazon Aws

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Bio

Software developer with a career initiation in 2011, progressing from military service to the IT sector. Since 2017, specialization has been focused on PHP and frameworks like Laravel and CodeIgniter, coupled with advanced proficiency in JavaScript, Jquery, React, and Next.js, cultivated through continuous learning and personal project development. In 2022, achieved certification as an AWS Cloud Practitioner and holds significant expertise in MySQL databases, alongside substantial experience with NoSQL databases. Technical proficiency extends to object-oriented programming (OOP), design patterns, PSRs, Docker, ElasticSearch, and adeptness in Node.js and C# through self-directed learning and project engagements. This professional trajectory showcases exceptional commitment, critical decision-making under pressure, and a problem-solving approach that prioritizes efficiency. Consistently embraces challenges and remains updated on technological advances. Values transparent and empathetic teamwork, thriving in collaborative environments on complex projects, offering a robust combination of advanced technical skills and dedication to project success.

Senior Developer
1/2/2020 - Present

Responsible for deploying and leading the Support team for a platform, significantly contributing to its continuous optimization and enhancement. From January 2020, demonstrated proficiency in task analysis and contributed to resolving over 2000 tasks, utilizing PHP, Laravel, and JavaScript. Enhanced database performance with MySQL and ElasticSearch queries and improved caching with Redis. Exhibited solid skills in bug identification and fixes, bolstering platform stability and efficiency.

Successfully integrated the platform with various systems, including Zapier, OptimizeMember, Omie, MGID, Facebook Pixel, Taboola Pixel, and TikTok Pixel, by understanding documentation and utilizing provided APIs. Led significant improvements in the development environment, introducing options to enhance testing flows and operational efficiency. Developed various automations to streamline the testing process and assist professionals working directly with clients.

Proactively addressed issues in production, from simple code corrections to critical problems requiring rapid and decisive action. Identified potential issues through logging systems and monitoring with Zabbix and New Relic, ensuring quick resolution discussions with the team for effective solutions.
Development Leader
2/2/2019 - 12/2/2019

Led a multidisciplinary team consisting of a Project Manager, DevOps, and developers, focusing on the evolution and effectiveness of an online scheduling system. Implemented successful integrations with renowned ERPs including Tasy, MV, Spdata, and Smart using the platform's API, which significantly enhanced interoperability and efficiency in healthcare data management across MySQL, PostgreSQL, and Oracle databases. Actively developed system improvements and corrected issues to continually enhance user experience, employing PHP, JavaScript, and C# languages, with extensive use of REST and SOAP APIs for integration. Demonstrated strategic and technical acumen by leading the optimization of ERP integrations, particularly with complex systems like Smart, ensuring seamless operational enhancements. Facilitated transparent and collaborative communication with stakeholders, aligning expectations and providing clear project requirements.
Mid-Level Systems Programmer
7/2/2017 - 2/2/2019

Developed proficiency in enhancing the company's administration system and integrating it with clients' systems. Actively contributed to the Dial Admin administration system by delivering various improvements and corrections that boosted operational efficiency and user experience. Created an automated system for adding users upon web platform sign-up, simplifying and accelerating the client integration and subscription process. Engineered the automation of the payment process via credit cards, effectively integrating with Acquirers Adyen and Rede to ensure a smooth and secure user experience. Successfully implemented additional payment methods via bank slips using the Bradesco API, thereby expanding the range of payment options available to customers. These experiences solidified technical skills in development, showcased the ability to overcome challenges, and provided effective solutions. Utilized an array of tools, frameworks, and systems to achieve these outcomes.
IT Support Analyst
3/2/2012 - 7/2/2017

Transitioned from user support to a comprehensive role in Information Technology, focusing on service management and machine maintenance, specifically on Windows and Linux servers. Expanded responsibilities to include the maintenance of racks and network infrastructure, ensuring seamless technological operations. Piloted the control and maintenance of backups, vital for safeguarding the integrity and security of essential company data. Provided specialized support across various company platforms, ensuring operational continuity and effective challenge resolution. Contributed to the maintenance and enhancement of internal systems and the company's website, driving efficiency and modernization efforts. Acquired advanced technical skills by conducting SQL Server and MySQL database queries to optimize internal processes. This journey underscores the consistent dedication to professional growth and the ability to tackle increasingly complex challenges.

Information Systems at Una University Center
2013 - 2016
Technical Course in Information Technology at Polytechnic School of Minas Gerais (POLIMIG)
2011 - 2012