Fernando Sousa

Delivered revenue-critical advertising, analytics, CMS, and AWS cloud-service features for a high-traffic sports platform. Modernized a Spring Boot/Java legacy analytics service, rebuilt integration tests, maintained GitHub Actions CI/CD, and provided EC2/Linux-based deployment and on-call incident response.

Modernized a Next.js/React application and shipped an onboarding redesign with guided multi-step flows to reduce user friction. Built a first mobile experience with React Native/WebView, integrated push notifications, and delivered backend enhancements in a Dockerized Django service consumed via GraphQL.

Developed and maintained a device-management dashboard and SDK using React, JavaScript, and TypeScript integrated with Node.js services and a .NET backend. Implemented Bluetooth and CoAP communication bridges and built Auth0 authentication with account impersonation using multi-tenancy and RBAC.

Built and maintained high-traffic Loans and Wealth web experiences using JavaScript, TypeScript, and Next.js, with automated testing via Jest and Cypress. Implemented accessible, SEO-friendly components, integrated PHP/Storyblok hybrid systems, expanded Auth0 security with JWT patterns, automated data collection with Python/OpenAPI, and supported delivery using GitHub Actions and AWS EC2.

Architected and delivered responsive frontends for high-traffic e-commerce and subscription products, improving performance and usability. Migrated websites to Shopify and integrated Node.js, GraphQL, and AWS services, including JWT-based authentication for secure multi-application sessions.

Built a corporate ride-hailing mobile application using React Native with backend service integrations for enterprise customers. Implemented backend identity and real-time communication services using Java, Spring Boot, Auth0, Firebase, Socket.IO, multi-tenancy, and related authentication/authorization flows.

Founded and built a food-delivery platform, owning product development from architecture and data modeling through authentication and deployment. Developed the core backend and user flows and supported thousands of users in a fast-moving startup environment.

Completed an AS focused on Cybersecurity and Technology Security Management at Uninter Educational University in Brazil.

Completed a PGCert in Database Administration at Universidade Pitágoras Unopar Anhanguera in Brazil.

Earned the AWS Certified Developer – Associate credential.

Completed a BSc in Computer Science at IU International University of Applied Sciences in Germany.