Rafael K.Mobile Engineer - React Native
Skills
Rafael Korz holds a Bachelor's degree in System and Technology with a focus on Software Development. With over 12 years of experience in IT development, Rafael has cultivated significant expertise in various JavaScript frameworks, including React, NextJS, NodeJS, and NestJS. His proficiency extends to working with SQL databases such as Oracle, Microsoft SQL, PostgreSQL, and MongoDB.
Fullstack Developer
1/1/2023 - Present
Specialized in creating new features and maintaining source code using React.js and Express.js. Developed a new module enabling consumers to report issues through the system, allowing users to submit their problems for resolution. Implemented automated workflows for issue assignment, and designed escalation procedures to elevate unresolved issues to superiors within specified timeframes.Frontend Engineer
8/1/2022 - 1/1/2023
Developed new features and customized existing functionalities using React and TypeScript. Gained expertise in functional React components and hooks, resulting in cleaner and more efficient code. Utilized Jest for comprehensive testing to ensure software reliability. Leveraged both internal design systems and Material UI to maintain consistency across various projects. Created new pages and frequently addressed and resolved bugs. Employed Agile methodologies, participating in daily meetings, sprints, and demos to enhance collaboration and streamline project management.Software Architect
10/1/2021 - 8/1/2022
Worked in the technology division focusing on the creation of components for a global system used by a development team of 20. Developed proficiency in AngularJS and JavaScript for front-end tasks, and Java and PL/SQL for backend development. Responsibilities included planning monthly deliveries, presenting customizations to the team, and ensuring the integration and functionality of components within the larger project framework.Frontend Engineer
9/1/2020 - 10/1/2021
Developed a comprehensive system for cryptocurrencies, including robot creation for market analysis and automated trading, wallet view, and chart analysis, as well as a BackOffice interface. Solely responsible for all frontend implementations, utilizing the design system Ant Design. On occasion, contributed to the backend using NestJS with microservices. Key technologies and frameworks employed include JavaScript, React, Redux, Ant Design, and Git for version control. Backend expertise encompasses NestJS, RabbitMQ, Redis, Docker, Web Sockets, Microservices architecture, TypeORM, and MongoDB.Full Stack Engineer
10/1/2019 - 9/1/2020
Successfully migrated the eCM system from the US to the Tasy system in Brazil, while maintaining the same business functionality. Focused particularly on the ICU system, specifically the patient vital signs component. Leveraged an internal framework to develop the new system, utilizing AngularJS for the frontend and Java for the backend. Managed database interactions and objects with PL/SQL. Gained technical proficiency in JavaScript, HTML, CSS, and PL/SQL.System Analyst/Developer
11/1/2017 - 2/1/2019
Developed and analyzed the AutoSystem for gas stations, catering to major clients including Petrobras, Shell, and Ipiranga in Brazil. Spearheaded the creation of a Totum system enabling drivers to register using biometrics and personal document scanning, with a rewards program to earn points for refueling.
Expertly handled system analysis for integrating diverse retail systems, alongside back-end development using Python (2.2 and 3.5). Demonstrated daily proficiency in PostgreSQL for database management and optimization.SR Software Engineer
12/1/2016 - 11/1/2017
Developed and led the creation of the SUS module, the unique health system in Brazil. Assisted other teams with system billing maintenance. Maintained direct client connections to resolve problems using PLSQL objects due to comprehensive business rules in Oracle. Handled maintenance on the legacy system, specifically Java Swing and Delphi. Demonstrated proficiency in AngularJS for front-end tasks and Java SE 7 for back-end development. Additionally, conducted extensive development work with Delphi 6 and Oracle PL/SQL.PL Software Engineer
9/1/2014 - 9/1/2016
Contributed to the development of a framework for the Block K project, a national accounting system used in Brazil. Utilized Delphi 5 to detail all components and products involved in manufacturing processes for government expense tracking. Leveraged expertise in Oracle 11g for database management. Employed Trello and Kanban tools for project management and workflow optimization. Applied advanced concepts in Design Patterns and UML to ensure robust system architecture. Conducted rigorous testing using DUnit and integrated WebServices for enhanced functionality.jr software engineer
8/1/2011 - 9/1/2014
Gained experience in back-end development using Java SE 7 and Delphi 5 while working on an accounting system. Transitioned to a billing team, where responsibilities included generating detailed billing reports for customers and implementing system enhancements to improve user experience. Provided remote troubleshooting and problem resolution for customers. Developed proficiency in Oracle PL/SQL for database management and query optimization.
Bachelor of Information Systems at Uniasselvi
2013 - 2017Technical in Software Development at CEDUP - Hermann Hering Professional Education Center
2011 - 2013English Language at Erin School of English
2019 - 2019
Ultimate AWS Certified Cloud Practitioner - 2021 at Udemy
10/1/2021Software Architecture at IGTI
10/1/2021Building Web Applications with the New Angular (4, 5, and 6) at Udemy
9/1/2021Docker: Essential Tool for Developers at Udemy
8/1/2021Microservices in Node.js: NestJS, TypeScript, RabbitMQ, etc at Udemy
7/1/2021AWS Immersion at Oregon EAD
7/1/2021React Developer at IGTI
7/1/2021Scrum Fundamentals Certified (SFC) at CertiProf
6/1/2020Duolingo English Fluency: Intermediate (estimated) at Duolingo
2/1/2016
Rafael is available for hire
Meet Rafael K.
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