Mario C.

Full-stack Product Engineer

Senior Elixir Backend Developer
12/1/2022 - 6/1/2023

Developed proficiency in Elixir and Phoenix, leveraging these technologies for robust and scalable applications. Mastered GraphQL and Absinthe for efficient data querying and manipulation. Demonstrated expertise in managing relational databases with Postgres and implementing NoSQL solutions. Applied containerization best practices using Docker to ensure consistent development and deployment environments. Automated code integration and deployment processes with GitActions, enhancing CI/CD pipelines. Gained experience with cloud services and infrastructure on Google Cloud. Responsible for maintaining and developing features from the backlog, ensuring continuous improvement. Conducted thorough code reviews, promoting code quality and adherence to best practices.

Senior PHP Backend Developer
4/1/2022 - 8/1/2022

Developed proficiency in PHP and the Yii2 Framework while working extensively with MySQL for database management. Demonstrated expertise in Git for version control and collaborative development. Key responsibilities included identifying tasks, developing back-office systems, and creating APIs for seamless integrations. Additionally, managed data migrations to ensure smooth transitions between systems.

Senior Backend Developer NodeJS/Elixir
1/1/2021 - 11/1/2021

Developed proficiency in ReactJs, NodeJs, AdonisJs, Mysql, Docker, CI/CD Pipeline with GitActions, Google Cloud, DigitalOcean, Elixir, Phoenix, Graphql, Postgres, Grafana, and Prometheus. Reviewed and refactored existing codebases into high-quality, reliable, and reusable codes, incorporating comprehensive tests. Ensured optimal performance and usability of applications by identifying and correcting bottlenecks and performing debugging and fixes. Contributed to API development and provided thorough documentation for CRM integrations. Collaboratively maintained the quality, organization, and automation of the entire application with the team. Designed new Elixir, Postgres, and Graphql structures to standardize database nomenclatures and eliminate unnecessary codes from the JavaScript version.

Senior Coldfusion Backend Developer
3/1/2019 - 9/1/2020

Developed proficiency in ColdFusion, Oracle, Angular, and Git. Assessed tasks for implementing new subsystems, specifically in transport accidents and health domains. Engaged in development and maintenance of APIs with SOAP integrations in SAP, generating reports and fiscal documents in xls format. Implemented internal modules in the BRF Intranet approval center, facilitating connections with external web services such as SAP SuccessFactors, Aptus, Copastur, and ServiceNow.

Developer
7/1/2001 - 3/1/2019

Developed proficiency in Coldfusion, Java, PHP, supported by robust experience with databases including MySQL, PostgreSQL, Oracle, and SQL Server. Demonstrated skills in version control systems using Git and leveraged cloud platforms such as AWS. Proficient in front-end technologies and frameworks including Angular, React.js, JQuery, and Bootstrap. Successfully developed an extensive intranet system with hundreds of modules for various internal departments encompassing functionalities such as agendas, minutes, benefits, contracts, credit cards, quotations, digitalization, freight management, fleet management, risk management, summons, reported journey, standards, obligations, occurrences, surveys, master plan, SOP, continuous improvement program, private pension, HR system, SSMA, supplies, telephony, transport, and training. Managed high-traffic advertising campaigns for agencies, and created several administrative systems, portals, and websites. Coordinated multidisciplinary project teams with a focus on fostering team development and enhancing project outcomes.

Artificial Intelligence and Machine Learning at Maringá University
2024 - 2026