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Kseniia Koshkina

PROFILE

Kseniia Koshkina

Ksenia Susakoskina developed and enhanced a comprehensive article and wiki documentation system across the Metatavu/home-lambdas and related repositories over four months. She architected end-to-end content workflows, including CRUD operations, draft management, and robust role-based access control, leveraging TypeScript, Node.js, and AWS Lambda. Her work included optimizing DynamoDB queries for performance, aligning API specifications, and integrating presigned S3 image handling. On the frontend, she delivered React-based UI improvements, such as a refreshed wiki documentation screen and rich text editing with Lexical. Ksenia’s contributions resulted in scalable, secure content management with improved data integrity, developer experience, and user-facing functionality.

Overall Statistics

Feature vs Bugs

95%Features

Repository Contributions

55Total
Bugs
1
Commits
55
Features
19
Lines of code
9,364
Activity Months4

Work History

May 2025

5 Commits • 4 Features

May 1, 2025

May 2025 monthly summary for the Metatavu development teams. Focused on delivering flexible article retrieval capabilities, stronger access control for article mutations, API spec alignment, and a refreshed wiki documentation UI. Key outcomes include improved client access patterns, security posture, and a smoother author/read experience across three repositories.

April 2025

38 Commits • 9 Features

Apr 1, 2025

April 2025 highlights include end-to-end improvements across three Metatavu repositories, focusing on data model alignment, performance, content workflows, and developer experience. Delivered features and refinements enhance content governance, API consistency, and user-facing capabilities while reducing complexity and risk in production.

March 2025

6 Commits • 5 Features

Mar 1, 2025

March 2025 monthly summary: Delivered performance and robustness improvements for article data retrieval, enhanced article listing and sorting, strengthened data integrity and API messaging, RESTful API alignment for read flows, and a new Wiki Documentation Card for the home screen. These changes across Metatavu/home-lambdas and Metatavu/metatavu-home deliver tangible business value: faster and more reliable data access, scalable article queries, consistent API responses, and contextual knowledge visibility for users. Key focus areas included performance optimization, data integrity, API usability, and user-facing UX enhancements, all aligned with reducing time-to-value for content teams and improving end-user experience." ,"key_achievements":["Article data retrieval performance and robustness improvements: DynamoDB GSI projection updates; safeguards when fetching articles by ID; deployment bucket naming cleanup. Commit: 65e051f21ea86a55cc648ecf67c22849b0446f8b.","Article sorting and listing enhancements: Added GSI_Sorting for efficient sorting by group and lastUpdatedAt; refactored listArticles for filtering; ensured group is set to 'article' on new/update. Commit: 4f3439fea89b447997649808d7df50fb5876d34a.","Article model integrity and API success messages: Refactored ArticleModel interface for required/optional fields; enforced readBy and tags as required arrays; initialized readBy on create; standardized success messages on delete/read. Commit: ab8a61dfcb30e90646eea76c614faee5224c414f.","Read Article API updates: Accepts userId as a query parameter with validation; switched HTTP method from POST to PUT to align with RESTful practices. Commits: 6aee9e3b7464ced8bc3c724724dad11cd98f433a; dee724faf325f189ea40c548dbde04d14e5de1dc.","Wiki Documentation Card on Home Screen: New component displaying information about the last updated/created/read wiki article; conditional rendering based on user role and developer mode. Commit: a59b30dade415502466ca6b4841a4efe4a2170aa."]} ร```}],śnie?Oops});

February 2025

6 Commits • 1 Features

Feb 1, 2025

February 2025 monthly summary for Metatavu/home-lambdas focusing on features delivered, fixes, impact, and skills demonstrated.

Activity

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Quality Metrics

Correctness86.8%
Maintainability85.4%
Architecture83.6%
Performance81.4%
AI Usage21.8%

Skills & Technologies

Programming Languages

CSSHTMLJavaScriptTypeScriptYAML

Technical Skills

API DesignAPI DevelopmentAPI DocumentationAPI GatewayAPI IntegrationAPI SpecificationAWSAWS DynamoDBAWS LambdaAWS S3AuthenticationAuthorizationBackend DevelopmentCode CleanupComponent Design

Repositories Contributed To

3 repos

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

Metatavu/home-lambdas

Feb 2025 May 2025
4 Months active

Languages Used

JavaScriptTypeScript

Technical Skills

API DevelopmentAPI GatewayAWS LambdaBackend DevelopmentDynamoDBNode.js

Metatavu/metatavu-home

Mar 2025 May 2025
3 Months active

Languages Used

JavaScriptTypeScriptCSSHTML

Technical Skills

API IntegrationFrontend DevelopmentJotaiMaterial UIReactReact Router

Metatavu/home-lambdas-API-spec

Apr 2025 May 2025
2 Months active

Languages Used

YAML

Technical Skills

API DesignAPI DocumentationAPI SpecificationSchema DefinitionSchema DesignSpecification

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