Gabriel Shimosaka

Refactored and optimized core profitability algorithms, reducing computation overhead by 97% and achieving sub-5ms latency, significantly improving system throughput and error rates (-99.9%);
Standardized Redis client usage across services, resolving architectural inconsistencies and cutting read latency by 30% without requiring infrastructure changes

Implemented a new conciliation architecture that reduced end-to-end processing time by 90% and increased system stability for high-volume financial transactions;
Led backend and API development for the Treasury Bond MVP in under 4 months, enabling a new high-value client experience.

Built a scalable CI/CD ecosystem (AWS + Serverless + Python/Bash) that delivered 50% faster builds, 80% faster pipeline setup, and reduced debugging effort for new pipelines;
Designed secure REST API integrations for mobile/web applications using Keycloak, ensuring robust OAuth2 and rolebased access control.

Developed and deployed the entire Open Finance platform end-to-end, ensuring regulatory compliance, high scalability, and secure API integration;
Designed and implemented high-throughput financing modules used by one of the largest banks in the Southern Hemisphere, ensuring low-latency processing and sustained performance under large scale transaction loads

Migrated legacy mainframe systems to a modern cloud-based Spring Boot architecture, improving maintainability, performance, and deployment automation;
Promoted to Mid Level Software Engineer after only 12 months, driven by consistently delivering top-tier results and maintaining exceptional client satisfaction.

Completed a Bachelor of Science in Computer Engineering with coursework and projects focused on software engineering, systems architecture, and distributed systems.