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markgol777

PROFILE

Markgol777

Over three months, contributed to the SpaceToStudy-BackEnd repository by building and refining backend features focused on quiz data integrity, access control, and API clarity. Delivered enhancements to the quiz schema, including time and attempt limits, and implemented robust integration tests using JavaScript and Jest to ensure data reliability. Developed a secure Finished Quiz Retrieval API, enforced access controls, and executed database migrations to maintain data quality. Refactored API endpoints to simplify client logic and reduce data exposure, leveraging Node.js, Express.js, and MongoDB. Maintained clear documentation with Swagger, supporting maintainability and collaborative development across evolving backend requirements.

Overall Statistics

Feature vs Bugs

80%Features

Repository Contributions

24Total
Bugs
1
Commits
24
Features
4
Lines of code
3,296
Activity Months3

Work History

March 2025

1 Commits • 1 Features

Mar 1, 2025

March 2025 - SpaceToStudy BackEnd: Key feature delivered is FinishedQuiz API Refactor removing userId from getFinishedQuizByQuizId; simplifies access control; retrieval now relies on quizId and cooperationId. No major bugs fixed this month. Overall impact: improved security posture, clearer API contracts, and better maintainability; notable business value from reducing data exposure and simplifying client logic. Technologies/skills demonstrated: API design, service refactoring, access control governance, and commit-based traceability.

February 2025

15 Commits • 1 Features

Feb 1, 2025

February 2025: SpaceToStudy-BackEnd delivered a critical API enhancement and data integrity fix set, reinforcing secure, reliable access to quiz data while expanding coverage for reporting. Key outcomes include a new Finished Quiz Retrieval API with proper security controls, a data migration that removes invalid finishedQuizzes to preserve data quality, and thorough tests plus documentation that ensure maintainability and clear collaboration.

January 2025

8 Commits • 2 Features

Jan 1, 2025

January 2025 (2025-01) — SpaceToStudy Backend: Delivered critical data integrity enhancements and quiz schema improvements, strengthening data reliability and assessment controls. Implemented comprehensive integration tests for Message and Review models, refactored enums handling, and introduced timeLimit and attemptLimit for quizzes with associated migrations and tests. Fixed a bug around recent comments to stabilize user interactions. Result: higher data quality, safer deployments, and clearer governance of quiz behavior, enabling scalable growth and better compliance with business rules.

Activity

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Quality Metrics

Correctness93.4%
Maintainability94.6%
Architecture89.0%
Performance89.2%
AI Usage20.0%

Skills & Technologies

Programming Languages

JavaScriptYAMLjavascriptyaml

Technical Skills

API DevelopmentAPI DocumentationAPI RefactoringAPI SecurityAPI TestingBackend DevelopmentChaiDatabase MigrationDatabase MigrationsDocumentationExpress.jsIntegration TestingJestMochaMongoDB

Repositories Contributed To

1 repo

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

ita-social-projects/SpaceToStudy-BackEnd

Jan 2025 Mar 2025
3 Months active

Languages Used

JavaScriptjavascriptyamlYAML

Technical Skills

API DevelopmentBackend DevelopmentDatabase MigrationDatabase MigrationsExpress.jsIntegration Testing