Gilmaicor L.

Back-end and Systems Engineer

Software Engineer
4/1/2023 - 9/1/2023

Developed expertise in data analysis system support, honing skills in SQL, Python, and R. Demonstrated extensive use of data visualization tools such as Tableau and Power BI to generate insightful reports. Implemented and managed ETL processes ensuring data integrity and accuracy. Utilized machine learning frameworks like TensorFlow and scikit-learn to build predictive models and analyze large datasets. Proficient in utilizing cloud-based solutions such as AWS and Azure for data storage and computation. Facilitated data warehousing with technologies including Hadoop and Apache Spark. Showcased ability in troubleshooting and optimizing performance of databases and analytical systems. Maintained version control and collaborative project management using Git and JIRA.

Systems Analyst
7/1/2022 - 2/1/2023

Led the development of an innovative application for renting rooms and offices, leveraging advanced technical skills in JavaScript, React Native, and Node.js. Employed robust database management using PostgreSQL and MongoDB, ensuring the application's reliability and scalability. Implemented authentication and data protection mechanisms through JWT and OAuth protocols, enhancing the security features of the app. Integrated third-party services such as Google Maps API and payment gateways like Stripe, enabling seamless geolocation and transaction processing. Utilized Docker for containerization to streamline deployment processes and maintain consistency across various environments. Applied Agile methodologies and tools such as JIRA and Trello for project management and team collaboration, fostering an efficient development lifecycle. Ensured high code quality by incorporating unit and integration tests using Jest and Mocha, and maintained version control through Git.

Back-end Developer
1/1/2022 - 7/1/2022

Allocated at a leading financial institution, focused on developing new features, gained proficiency in PHP, Doctrine, and Silex. Extensive experience was acquired in frontend frameworks such as Ext JS 4.2, NodeJS, and Vue.js. Demonstrated robust skills in database management with PostgreSQL and MongoDB. Ensured seamless collaborative code maintenance utilizing version control systems such as SVN and Git. The role involved rigorous testing and debugging to enhance software robustness and performance, coupled with continuous client interaction to capture and implement requirements effectively.

Back-end Developer
3/1/2021 - 1/1/2022

Spearheaded the development of innovative IoT solutions, focusing on integrating various technologies and platforms to create comprehensive and scalable systems. Acquired advanced expertise in Python and embedded systems, and developed proficiency in using IoT frameworks such as AWS IoT and Azure IoT Hub. Designed and implemented device-to-cloud communication protocols and ensured data integrity and security through MQTT and CoAP. Utilized hardware platforms like Arduino, Raspberry Pi, and ESP8266 to prototype and validate IoT devices. Developed and maintained cloud-based dashboards for real-time monitoring and analytics using tools like Grafana and Power BI. Employed version control systems such as Git for collaborative development and continuous integration/continuous deployment (CI/CD). Improved the performance and reliability of IoT networks by implementing edge computing solutions and optimizing sensor data processing. Demonstrated capability in troubleshooting hardware and software issues, performing root cause analysis, and implementing robust solutions to prevent future occurrences.

Back-end Developer
3/1/2019 - 2/1/2021

Managed the development and maintenance of the Zona Azul Fortaleza application backend system, utilizing advanced knowledge in PHP and Laravel. Implemented various features and functionality improvements, ensuring robust and scalable backend solutions. Employed MySQL for database management and optimized performance through efficient query handling. Incorporated Redis for caching to enhance application speed and reliability. Utilized Docker for containerization to streamline development and deployment processes. Ensured seamless integration and continuous delivery through Git for version control and Jenkins for CI/CD pipelines. Leveraged AWS services for secure and scalable cloud deployment solutions, contributing to a high-availability infrastructure. Implemented comprehensive API documentation and adhered to best practices in RESTful service design. Actively participated in code reviews and collaborated in an Agile environment, promoting efficient teamwork and project success.

Full Stack Developer
4/1/2018 - 10/1/2018

Led the development of web services tailored for the telecommunications sector, showcasing proficiency in technologies such as PHP, where advanced skills were honed, and frameworks like Laravel to build robust backend solutions. Leveraged Python for scripting and automation to streamline various processes. Utilized RESTful API standards and methodologies to ensure efficient and effective web service design and integration. Applied extensive knowledge of databases, including MySQL and PostgreSQL, to manage and manipulate data, ensuring high performance and reliability.

Implemented front-end solutions using Angular and React.js, enhancing user experience and interface responsiveness. Mastery in version control systems, specifically Git, facilitated seamless collaboration and code maintenance. Established CI/CD pipelines using Jenkins to enable rapid and reliable deployment cycles. Applied best practices in software development, focusing on object-oriented design and clean code principles.

Conducted rigorous testing employing tools like JUnit and Selenium, ensuring the delivery of high-quality, bug-free software. Engaged in Agile methodologies, participating in sprint planning, daily stand-ups, and retrospectives to drive continuous improvement and adaptability in project execution. Deployed applications on cloud platforms such as AWS, taking advantage of services like EC2, S3, and Lambda to scale and optimize performance. Proficiency in Docker enabled the creation of containerized applications, enhancing deployment efficiency and consistency across diverse environments.

Computer Engineering at Federal Institute of Education, Science and Technology of Ceará
2015 - 2021

Advanced Development with JavaScript ES at Digital Innovation One
8/1/2019