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Keisuke Oohashi

PROFILE

Keisuke Oohashi

Worked on the Shubhamsaboo/adk-python repository to enhance observability and security for LLM integrations. Developed telemetry features in Python, adding usage span attributes and tracking input and output token counts for LLM calls, with unit tests to validate accurate usage metadata reporting. Addressed a critical security concern by implementing backend validation to ensure the userId in API responses matched the provided userId, raising errors on mismatches to enforce session isolation. Leveraged skills in API integration, error handling, and OpenTelemetry to deliver improved monitoring and a stronger security posture, focusing on robust backend development and reliable telemetry instrumentation.

Overall Statistics

Feature vs Bugs

50%Features

Repository Contributions

2Total
Bugs
1
Commits
2
Features
1
Lines of code
58
Activity Months1

Work History

June 2025

2 Commits • 1 Features

Jun 1, 2025

June 2025 performance summary for Shubhamsaboo/adk-python. Delivered telemetry enhancements for LLM usage and a critical security bug fix, driving improved observability and session safety. Implemented usage span attributes and input/output token tracking with a test validating usage metadata reporting. Fixed a security issue by validating that the API response userId matches the provided userId and raising ValueError on mismatch to prevent access to other users' sessions. Business value: improved LLM call visibility, better monitoring, and stronger security posture.

Activity

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Quality Metrics

Correctness100.0%
Maintainability100.0%
Architecture90.0%
Performance90.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

Python

Technical Skills

API IntegrationBackend DevelopmentError HandlingLLM IntegrationOpenTelemetryTelemetryUnit Testing

Repositories Contributed To

1 repo

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

Shubhamsaboo/adk-python

Jun 2025 Jun 2025
1 Month active

Languages Used

Python

Technical Skills

API IntegrationBackend DevelopmentError HandlingLLM IntegrationOpenTelemetryTelemetry