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J.D. Salazar

PROFILE

J.d. Salazar

During March 2026, Jack Stenglein enhanced the jackstenglein/chess-dojo-scheduler repository by delivering backend features and reliability improvements focused on scalable data exploration and robust milestone communications. He implemented API timeouts and rate-limiting using Go and AWS Lambda to stabilize external data ingestion, reducing flaky requests from Chess.com and Lichess. Jack launched a Lambda-based OpeningTree service with API serialization, pagination, and authentication, enabling contract-tested exploration of chess data. He also developed a secure endpoint to merge multiple games, integrated Discord notifications for cohort milestones, and expanded end-to-end testing with Playwright and TypeScript, demonstrating depth in backend and full stack development.

Overall Statistics

Feature vs Bugs

86%Features

Repository Contributions

9Total
Bugs
1
Commits
9
Features
6
Lines of code
6,194
Activity Months1

Work History

March 2026

9 Commits • 6 Features

Mar 1, 2026

March 2026 (2026-03) summary for jackstenglein/chess-dojo-scheduler: Delivered reliability improvements, expanded backend capabilities, and enhanced developer tooling. The work focused on business value: stable data ingestion, scalable exploration experiences, and timely milestone communications, with a strong emphasis on test stability and observability.

Activity

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Quality Metrics

Correctness93.4%
Maintainability82.2%
Architecture84.4%
Performance82.2%
AI Usage53.4%

Skills & Technologies

Programming Languages

GoJSONTypeScript

Technical Skills

API IntegrationAPI developmentAPI integrationAWS LambdaDiscord API integrationDynamoDBError HandlingFrontend DevelopmentGo programmingJavaScriptPlaywrightReactTypeScriptasynchronous programmingbackend development

Repositories Contributed To

1 repo

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

jackstenglein/chess-dojo-scheduler

Mar 2026 Mar 2026
1 Month active

Languages Used

GoJSONTypeScript

Technical Skills

API IntegrationAPI developmentAPI integrationAWS LambdaDiscord API integrationDynamoDB