Higor Rossato

Worked as Desenvolvedor Backend III at GFT Brasil.

- Built an AI-powered image validation pipeline using OpenAI APIs to score image quality (blur detection, lighting analysis) and extract structured metadata — including container fill level and number plate recognition — improving listing data accuracy across the marketplace.
- Design and maintain RESTful APIs and asynchronous processing workflows (Celery) supporting core marketplace operations.

- Led and mentored direct-report backend engineers within a broader engineering group of 6–10, guiding architecture decisions and raising engineering standards across cross-functional squads.
- Acted as technical lead across product squads, driving backend architecture decisions and contributing to new enterprise client acquisitions and retention of existing accounts.
- Promoted engineering bes

- Architected and built a webhook micro-service from scratch, introducing real-time event delivery to the platform and enabling reliable integrations with third-party services across the micro-services ecosystem.
- Led development of a resident portal serving thousands of users, enabling secure self-service issue reporting and streamlining communication between residents and property management

- Developed and integrated backend solutions connecting e-commerce platforms to shipping and logistics infrastructure, expanding platform capabilities and market reach.
- Identified and eliminated N+1 query patterns and refactored legacy modules, reducing technical debt and improving codebase maintainability.
- Contributed to the engineering hiring process by conducting technical interviews and

- Contributed to backend development for a Google e-learning platform, building and maintaining core server-side features at scale.
- Wrote comprehensive test coverage for Looper, an internal product for runners, ensuring reliability and performance under varying load conditions.
- Collaborated with cross-functional teams to evaluate and prioritise new product features.

- Developed backend features supporting investment booking workflows, improving internal operational efficiency.
- Contributed to a batch transaction processing system, enabling more efficient and cost-effective transaction handling.
- Led migration from function-based views to class-based views in Django, improving code maintainability and scalability.
- Helped reduce technical debt through backe

* Implemented improvements to the platform’s subscription system, enhancing usability and user experience.
* Completed Stripe payment integration, enabling secure and seamless payment processing.
* Refactored legacy code and addressed technical debt to improve system stability and maintainability.

* Developed backend REST APIs for hotel room booking and cancellation, ensuring system reliability and scalability.
* Built features supporting hotel room management workflows and booking operations.
* Implemented UI improvements and performance optimizations for client-facing pages.
* Collaborated with design and product teams to gather requirements and deliver improved user experiences.

* Designed and developed commercial web applications from scratch using Python and Django, delivering scalable and maintainable backend systems.
* Contributed to the Shoppub e-commerce platform by implementing payment integrations and refactoring legacy components to reduce technical debt and improve platform stability.
* Optimized and restructured parts of the codebase to enhance maintainability,