TechStartupClub/UMarket
Jan 2025 – Feb 2025
2 Months active
Languages Used
CSSHTMLJSONJavaScriptTypeScript
Technical Skills
API GatewayAuthenticationBackend DevelopmentCreate React AppDatabase ManagementExpress.js
jacobklymenko
PROFILE
Jacobklymenko
Jacob Klymenko developed foundational architecture for TechStartupClub’s UMarket repository, establishing a full-stack monorepo with an API gateway and microservices for authentication, market, and social features. He migrated the frontend to Vite with TypeScript, modernizing the stack and improving development speed. Jacob implemented user registration and authentication, including validation and credential storage, and later integrated Google OAuth using Passport.js, enabling seamless onboarding. He addressed authentication stability by replacing bcrypt with bcryptjs to prevent server crashes. His work, primarily in JavaScript, TypeScript, and PostgreSQL, emphasized maintainability through added documentation and tests, delivering scalable, secure, and environment-aware user authentication flows.
Overall Statistics
Feature vs Bugs
80%Features
Repository Contributions
9Total
Bugs
1
Commits
9
Features
4
Lines of code
46,788
Activity Months2
Your Network
11 people
Work History
February 2025
4 Commits • 1 Features
Feb 1, 2025February 2025 — TechStartupClub/UMarket: Strengthened authentication reliability and expanded user onboarding with Google OAuth via Passport.js. Delivered a critical bug fix by replacing bcrypt with bcryptjs to prevent server crashes, and implemented end-to-end Google sign-in with environment-aware gateway routing. Added tests and documentation to improve maintainability. This work enhances security, reduces crash risk, and improves new user onboarding, delivering clear business value.
4 Commits • 1 Features
Feb 1, 2025February 2025 — TechStartupClub/UMarket: Strengthened authentication reliability and expanded user onboarding with Google OAuth via Passport.js. Delivered a critical bug fix by replacing bcrypt with bcryptjs to prevent server crashes, and implemented end-to-end Google sign-in with environment-aware gateway routing. Added tests and documentation to improve maintainability. This work enhances security, reduces crash risk, and improves new user onboarding, delivering clear business value.
February 2025
January 2025
5 Commits • 3 Features
Jan 1, 2025January 2025 monthly summary for TechStartupClub/UMarket highlighting foundational architecture, frontend modernization, and user onboarding improvements that enable scalable delivery and faster iteration.
January 2025
5 Commits • 3 Features
Jan 1, 2025January 2025 monthly summary for TechStartupClub/UMarket highlighting foundational architecture, frontend modernization, and user onboarding improvements that enable scalable delivery and faster iteration.
Activity
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Quality Metrics
Correctness85.6%
Maintainability83.4%
Architecture80.0%
Performance80.0%
AI Usage24.4%
Skills & Technologies
Programming Languages
CSSHTMLJSONJavaScriptTypeScript
Technical Skills
API GatewayAuthenticationBackend DevelopmentCreate React AppDatabase ManagementEnvironment ConfigurationExpress.jsFrontend DevelopmentFull Stack DevelopmentHTTP ProxyJWTMicroservicesMonorepo StructureNode.jsOAuth
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline