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Julio Tsutsui

PROFILE

Julio Tsutsui

Julio Tsutsui developed the core backend API and submission workflow for the zanfranceschi/rinha-de-backend-2025 repository, enabling reliable participant submissions for the Rinha de Backend 2025 event. He implemented the API service in Go, orchestrated deployment with Docker Compose, and configured Nginx for load balancing alongside PostgreSQL, which served as both the database and a message queue. Julio stabilized the deployment process by transitioning to pre-built Docker images and removing outdated configurations, addressing issues with image tagging and error logging. His work demonstrated depth in backend development, CI/CD, and DevOps, resulting in a reproducible and maintainable deployment environment.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

3Total
Bugs
0
Commits
3
Features
2
Lines of code
166
Activity Months1

Your Network

207 people

Work History

August 2025

3 Commits • 2 Features

Aug 1, 2025

August 2025 — zanfranceschi/rinha-de-backend-2025: Delivered core backend API and submission workflow and stabilized deployment to enable reliable participant submissions for Rinha de Backend 2025 with a reproducible environment and clear business value.

Activity

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Quality Metrics

Correctness86.6%
Maintainability86.6%
Architecture80.0%
Performance86.6%
AI Usage20.0%

Skills & Technologies

Programming Languages

GoNginx configurationSQLShellYAML

Technical Skills

API DevelopmentBackend DevelopmentCI/CDDevOpsDockerDocker ComposeLoad BalancingNginxPostgreSQL

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

zanfranceschi/rinha-de-backend-2025

Aug 2025 Aug 2025
1 Month active

Languages Used

GoNginx configurationSQLShellYAML

Technical Skills

API DevelopmentBackend DevelopmentCI/CDDevOpsDockerDocker Compose