Morsum LLC

Morsum, a leading company in the development of an industry-first food operating system, offers a range of products to optimize foodservice operations. Its flagship product, an online store for ingredients and supplies, allows users to seamlessly create order guides, place orders, and manage operations.

- Proficient in React.js and Next.js (SSR, SSG).
- Experienced with RTK Query for state management and data fetching.
- Advanced knowledge of Material UI and custom component development.
- Proficient in building and maintaining UI kits with Storybook.
- Strong experience integrating REST APIs for ecommerce features.
- Skilled in performance optimization (lazy loading, code splitting).
- Experienced in testing (Jest, React Testing Library) and debugging.
- Strong problem-solving and analytical thinking.
- Adaptable to tech migrations (e.g., React to Next.js).
- Experienced with CI/CD pipelines.

- Owned a end-to-end project responsible for uploading, transforming and validating data.
- Implemented chunking and queuing for large file uploads, enabling efficient processing of files.
- Automated credential creation via API calls, streamlining user onboarding workflows.
- Delivered processed data to the data science team, supporting analytics and machine learning initiatives.

Frontend: React.js, Next.js, TypeScript, RTK, RTL, SSR, Storybook, Material UI, Figma
Backend & APIs: GraphQL, Python, MySQL, REST APIs, Saleor Ecommerce, Docker, GCP
Tools: Jira, New Relic, Swagger, CI/CD

Frontend Developer | Data Engineer

PARTITA TRIPLA

A dynamic IT company specializing in developing enterprise resource planning (ERP) systems, IT solutions, and web development. Focused on optimizing workflows and enhancing operational efficiency for small and medium-sized businesses.

- Developed and implemented new features for a SaaS platform using React.js and React Native.
- Styled applications with Tailwind CSS, Sass, and Bootstrap for a consistent and maintainable UI.
- Built and maintained cross-platform mobile apps using React Native (Expo) with a PHP backend.
- Optimized performance with code splitting, lazy loading, and caching, reducing load times.
- Built and integrated RESTful APIs with Flask and PHP, implementing JWT and OAuth 2.0 for authentication.
- Containerized applications with Docker, ensuring scalable and consistent deployments.
- Researched and implemented emerging technologies to drive product innovation. 
- Designed and developed a PWA version of the SaaS platform, enhancing accessibility and offline functionality.
- Implemented push notifications and background sync to improve user engagement.
- Conducted Lighthouse performance audits, optimizing for high reliability and speed.

Fullstack Developer

Awayz

AwayZ is a multimodal ticketing platform connecting air, road, and river travel, optimizing routes for faster, cost-effective trips—even when no direct line exists.

- Optimized travel routes using graph algorithms, reducing trip times or expensive costs.
- Developed a React Native app with modular components from Figma designs.
- Built a responsive React web app with Redux, TailwindCSS, and Axios.
- Improved performance with lazy loading, code splitting, and React patterns.
- Developed a high-performance Node.js backend for seamless integration.
- Managed a scalable PostgreSQL database with Docker and AWS RDS.
- Automated data extraction via Python web scraping for better insights.
- Worked with stakeholders to align on business needs and technical solutions.
- Streamlined development by breaking down complex features into modular tasks.

Sponte

A leading company based in Pato Branco, Brazil, specializing in providing innovative educational management solutions for schools and institutions. Sponte focuses on empowering educational organizations through cutting-edge technology and dedicated support.

- Design and implementation of advanced Machine Learning models
- Comprehensive data analysis, preprocessing, and manipulation to uncover actionable insights
- Interpretation of results through rigorous statistical validations
- Driving a culture of data-driven decision-making across teams
- Delivering clear and impactful presentations of insights and results, validating assumptions with stakeholders

Data Scientist

I'm a fullstack developer with nearly 5 years of experience, diving deep into the Javasript and Python stack.

Driven by purpose and impact, I'm passionate about creating real change and working on projects that make a difference in the world.

Lately, I've been geeking out on data science, LLMs, and the fascinating world of blockchain. Always curious, always learning, and always ready to build cool things! 🚀

Github: https://github.com/massucattoj

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