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Sviatoslav Shesterov

PROFILE

Sviatoslav Shesterov

In January 2025, Michael Wadman modernized authentication for the fictadvisor/fictadvisor repository, focusing on security and consistency across backend and frontend systems. He migrated the application from a cookie-based approach to transmitting JWTs as Bearer tokens in the Authorization header, simplifying token management and reducing the attack surface. By deprecating the old refresh token flow and standardizing JWT validation, Michael ensured a unified authentication strategy throughout the codebase. This work leveraged TypeScript, NestJS, and Next.js, and required careful coordination between API development and frontend integration. The refactor maintained system stability while enhancing the overall security posture without disrupting users.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

1Total
Bugs
0
Commits
1
Features
1
Lines of code
91
Activity Months1

Work History

January 2025

1 Commits • 1 Features

Jan 1, 2025

January 2025 — Fictadvisor project: Security-focused authentication modernization across fictadvisor/fictadvisor. Delivered Bearer token-based authentication via the Authorization header, deprecated the old refresh token flow, and updated JWT handling and front-end token management. This refactor enhances security consistency across backend and frontend with minimal user disruption. No major bugs fixed this period; stability maintained during the auth migration.

Activity

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Quality Metrics

Correctness90.0%
Maintainability80.0%
Architecture90.0%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

JavaScriptTypeScript

Technical Skills

API DevelopmentAuthenticationBackend DevelopmentFrontend DevelopmentJWTNestJSNext.js

Repositories Contributed To

1 repo

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

fictadvisor/fictadvisor

Jan 2025 Jan 2025
1 Month active

Languages Used

JavaScriptTypeScript

Technical Skills

API DevelopmentAuthenticationBackend DevelopmentFrontend DevelopmentJWTNestJS