Jucelio Valva

Analyzed large datasets with over 10 million records to identify trends and patterns in customer behaviors. Modeled predictions using feature selection algorithms and developed polished visualizations to share data analysis results. Executed statistical analyses within software for large datasets. Designed and deployed predictive models using machine learning algorithms to enable business decisions. Implemented randomized sampling techniques for optimized surveys.

Led frontend development of three large-scale React applications, architecting scalable and maintainable codebases. Collaborated with UI/UX designers to translate design concepts into functional, pixel-perfect user interfaces. Implemented best practices and coding standards to ensure high code quality and performance optimization. Developed reusable UI components and libraries to improve development efficiency and consistency. Worked closely with backend teams to integrate frontend components with RESTful APIs for seamless functionality. Mentored junior engineers through code reviews and technical guidance. Actively participated in sprint planning, daily stand-ups, and retrospectives to facilitate project success and team collaboration.

Developed and maintained two full-stack web applications using React.js and Django, ensuring high performance, scalability, and security. Collaborated with cross-functional teams including designers and backend developers to create responsive, accessible user interfaces. Designed and developed RESTful APIs using Django for efficient frontend-backend data exchange. Implemented automated testing strategies to improve code reliability and speed development. Worked with DevOps teams to deploy applications using containerization and cloud platforms. Followed engineering best practices to deliver scalable solutions. Collaborated in brainstorming, debugging, and code review sessions. Designed scalable APIs, ensured cross-browser compatibility of websites, and contributed to Scrum-managed projects. Developed features for mobile and desktop using React.js, Typescript, HTML, and CSS. Actively participated in code reviews and stayed updated with latest frontend development trends. Assisted senior