I am a Senior Software Engineer with 8 years of experience across e-commerce, healthcare, fintech and AI domains. I specialize in React, React Native and Node.js, with strong Python and Java skills and extensive cloud experience, building scalable microservices, real-time systems, and data-driven applications.

Giovanni Junior

I am a Senior Software Engineer with 8 years of experience across e-commerce, healthcare, fintech and AI domains. I specialize in React, React Native and Node.js, with strong Python and Java skills and extensive cloud experience, building scalable microservices, real-time systems, and data-driven applications.

Available to hire

I am a Senior Software Engineer with 8 years of experience across e-commerce, healthcare, fintech and AI domains.

I specialize in React, React Native and Node.js, with strong Python and Java skills and extensive cloud experience, building scalable microservices, real-time systems, and data-driven applications.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Fluent

Work Experience

Senior Software Engineer at Fanatics
January 1, 2024 - October 31, 2025
Engineered the Real-Time Commerce Engine in Java powering post-championship and player-trade merchandise drops. Designed event-driven microservices (Node.js, Python, Kafka) to sync player data from league API, reducing update latency by 80%. Built inventory synchronization linking manufacturing with e-commerce pipelines, improving fulfillment accuracy by 25%. Developed and integrated Loyalty APIs connecting Fanatics.com, Topps, and Fanatics Sportsbook, increasing cross-platform engagement by 30%. Partnered with league tech teams to launch live event APIs, enabled on-site mobile ordering. Integrated Snowflake Data Lake for global fan profiles, leveraging SageMaker ML models to personalize team-based recommendations, raising user retention by 15%.
Senior Software Engineer at Parkland
November 1, 2023 - November 1, 2023
Architected a React/Node.js platform supporting mobility needs (refueling, EV charging, and retail). Enabled real-time EV charge point access and management across regions. Implemented a mobile app feature for fleet management to track fuel consumption (React Native), saving logistics costs by 18%. Built API-driven authentication and payment system for B2B clients, reducing transaction friction by 40%. Designed Python-based microservices for AI inference and healthcare automation, improving data processing efficiency by 45% while maintaining HIPAA compliance. Contributed to AWS cloud migration, enhancing reliability and scalability. Scoped requirements using Agile/Scrum, reducing ad hoc requests by 16%.
Full Stack Engineer at PrizeCart
December 1, 2020 - December 1, 2020
Developed Next.js front-end pages for merchant widgets and prize portals, boosting conversion rates by 22%. Implemented serverless Node.js APIs to manage prize generation, redemption logic, and click-based billing using AWS Lambda and MongoDB. Integrated Shopify APIs for installation, merchant authentication, and order data sync. Collaborated with design teams to enhance 'Reveal Prize' flow, improving retention by 35%. Deployed production builds with CI/CD on AWS and implemented observability via CloudWatch and Sentry.
Software Engineer at Datametrica
March 1, 2019 - March 1, 2019
Delivered advanced analytics engine with Java/Angular for finance, retail, and clients in Brazil and Latin America, reducing reporting latency by 45%. Enhanced credit risk assessment with predictive models, improving accuracy by 18% for financial clients. Developed AI-driven model for credit risk prediction. Designed and implemented a cloud-based customer portal on React/Redux. Built AI-powered customer insights dashboards using React + D3.js. Containerized microservices with Docker and Kubernetes, accelerating deployments by 50%.

Education

Bachelor of Computer Science (BCS) at University of São Paulo
September 1, 2013 - May 1, 2017

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services, Healthcare, Retail, Transportation & Logistics, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
See more

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