Marlon S.
Full-stack Product Engineer

Skills

Node.js

Flutter

Java

Javascript

Postgresql

React

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Bio

Digital Product Designer with a specialization in UI/UX, offering extensive experience in developing intuitive and engaging digital products for web and mobile platforms. Expertise spans the entire design process, from initial research and ideation through to execution, with a strong emphasis on usability, accessibility, and visual appeal. Demonstrated ability to conceptualize and implement innovative design solutions that align with both business objectives and user needs, evidenced by a diverse portfolio of projects across multiple industries. Adept at collaborating with cross-functional teams to ensure designs are both technically feasible and of the highest quality. Dedicated to adopting the latest design trends and technologies to create exceptional user experiences.

FullStack Developer
5/1/2022 - 2/1/2023

Developed advanced expertise in full-stack development through work on the Transforma RN platform. Utilized PHP for backend services and integrated with Doctrine and Silex frameworks. On the front end, conducted extensive work with Ext JS 4.2, ensuring robust interface and seamless user experience. Enhanced real-time features and modular development using NodeJS and Vue.js. Managed and optimized databases with PostgreSQL and MongoDB, achieving efficient data handling and storage. Ensured collaborative code maintenance and version control using SVN and Git, maintaining high standards of code integrity and teamwork throughout the project lifecycle.
Flutter mobile developer
1/1/2022 - 5/1/2022

Developed proficiency in Flutter and native Android for a comprehensive vehicle and load management platform. Specialized in creating intuitive and user-friendly mobile applications aimed at enhancing logistic workflows and vehicle tracking efficiency. Ensured seamless integration with various backend systems to provide real-time data synchronization and analytics. Utilized diverse libraries and frameworks to enhance application performance and user experience.
FullStack Developer
3/1/2021 - 12/1/2021

Contributed to the development of intelligent health systems, gaining significant expertise in machine learning and artificial intelligence applications within healthcare. Demonstrated proficiency in creating predictive models and automated processes for health monitoring and diagnostics. Played a key role in integrating big data analytics to enhance system capabilities and optimize patient outcomes. Utilized tools such as TensorFlow, Python, and R for data analysis and model development.

Led the development of a social app using Flutter, showcasing skills in cross-platform mobile application development. Executed front-end and back-end integration, implementing features that leverage Firebase for real-time database management and authentication. Ensured seamless user experiences by employing RESTful APIs, and honed proficiency in Dart programming language. Demonstrated a strong understanding of mobile UX/UI design principles and agile development methodologies, contributing to the app's timely delivery and high performance.
Flutter Developer
8/1/2020 - 3/31/2021

Developed expertise in designing and implementing data acquisition, transformation, and analysis systems for retail sales data. Leveraged tools such as Python, SQL, and Apache Spark for efficient data processing and ETL workflows. Utilized AWS services including S3, Redshift, and Lambda for scalable storage and computing solutions. Designed and deployed data pipelines using Apache Airflow to ensure seamless data flow and transformation. Demonstrated proficiency in data visualization and reporting using Tableau and Power BI, creating insightful dashboards and business intelligence reports. Ensured high data quality and consistency through the implementation of data validation and cleansing procedures. Collaborated with cross-functional teams to integrate data systems and deliver actionable insights to stakeholders. Focused on optimizing system performance and scalability, contributing to enhanced data-driven decision-making processes within the retail industry.
Fullstack Developer
5/1/2020 - 8/31/2020

Led the development of a comprehensive platform and applications tailored for smart cities under the Smart Metropolis Project. Focused on aerodynamic UAV design specifically aimed at detecting AEDES indicators as part of the Social Defense Aircraft initiative, often referred to as AEDES. Gained advanced proficiency in utilizing a variety of tools and frameworks essential for the project. Employed Python and JavaScript for scripting and frontend interface development, leveraging Angular and React.js for responsive design. Utilized cloud platforms such as AWS and Azure for scalable infrastructure solutions. Demonstrated strong skills in data analysis and visualization with tools like Tableau and PowerBI, ensuring the project adhered to high standards of data integrity and actionable insights. Utilized machine learning frameworks such as TensorFlow and PyTorch to enhance UAV functionality for predictive analytics and automated detection. Effective code management and collaboration facilitated via Git and continuous integration/continuous deployment (CI/CD) pipelines. Implemented rigorous testing protocols using Selenium and JUnit, ensuring a robust and reliable product. The role required a deep understanding of IoT systems and the integration of various sensors for real-time data collection and processing.
React Native Mobile Developer
5/1/2019 - 5/31/2020

Engineered an advanced application for automatic test correction and response dissemination, leveraging Python and Django frameworks to ensure robust backend performance. Developed proficiency in front-end technologies, utilizing HTML, CSS, and JavaScript to create a user-friendly interface. Implemented PostgreSQL for efficient database management, securing and retrieving large volumes of test data seamlessly. Architected the system with RESTful APIs to enhance the application's modularity and scalability. Employed Celery for asynchronous task management, optimizing the processing and correction time of tests. Integrated with cloud-based storage solutions to ensure secure and reliable data handling. Enhanced code quality and collaboration through the disciplined use of Git for version control. Conducted thorough unit and integration testing using PyTest to maintain high standards of code reliability.

Information Technology at Federal University of Rio Grande do Norte
2018 - 2022
Computer Science at Federal Institute of Science and Technology of Rio Grande do Norte
2014 - 2018