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Stas Kozak

PROFILE

Stas Kozak

Over an 18-month period, this developer delivered robust features and enhancements across the webitel/crm and webitel/webitel-ui-sdk repositories, focusing on scalable UI systems, API-driven workflows, and data integrity. They built end-to-end service catalog management, custom lookup CRUD flows, and advanced table components, leveraging Vue.js, TypeScript, and PrimeVue. Their work included internationalization, CSV import/export, and dynamic form handling, while maintaining code quality through dependency management and automated tooling. By integrating backend APIs, refining state management with Pinia, and modernizing API contracts with Orval and Zod, they improved user experience, developer productivity, and release reliability across multiple business-critical applications.

Overall Statistics

Feature vs Bugs

68%Features

Repository Contributions

362Total
Bugs
51
Commits
362
Features
109
Lines of code
525,640
Activity Months18

Your Network

16 people

Work History

April 2026

8 Commits • 5 Features

Apr 1, 2026

April 2026 monthly summary for webitel/webitel-ui-sdk: Focused on delivering user-facing data export, enhancing service catalog API, improving date handling, decluttering by removing the legacy cases API, and stabilizing dependencies. These efforts drive better data workflows, governance, and reliability for customer-facing and internal teams.

March 2026

1 Commits • 1 Features

Mar 1, 2026

March 2026: UI polish and stability work on the tree-table components in webitel-ui-sdk. Delivered a Wt-tree-table Header Display and Alignment Enhancement, achieving a more readable and consistently aligned header via CSS flex-based layout improvements. Resolved a header display bug by renaming the display class for wt-tree-table (WTEL-9211), ensuring consistent rendering across environments. These changes improve data readability for end-users and reduce support frictions related to tree-table layouts.

February 2026

29 Commits • 9 Features

Feb 1, 2026

February 2026 focused on delivering polished UI capabilities, enabling reliable data workflows, and strengthening the foundation for API contracts and maintainability across the Webitel SDK ecosystem. Work spanned multiple repositories to improve UI consistency, data import workflows, API generation, and automation, translating into faster feature delivery and a better developer experience.

January 2026

17 Commits • 6 Features

Jan 1, 2026

January 2026 performance highlights across CRM, client admin, and UI SDK. Delivered form reliability enhancements in CRM with default values, date picker support, and dynamic default resetting; streamlined data ingestion via CSV import button; improved type safety and API alignment; gated WFM access in admin for staged deployment; and advanced API tooling in the UI SDK with Orval/Zod integration and agent-access services groundwork. These efforts improve data quality, developer experience, and business readiness for upcoming features.

December 2025

20 Commits • 9 Features

Dec 1, 2025

December 2025 monthly summary: Delivered cross-repo UI enhancements, data integrity improvements, and resilience fixes that reduce runtime errors, improve user workflows, and boost developer productivity. Key standards established for MIME types and date handling, with a focus on measurable business value across the UI SDK, CRM, and client services.

November 2025

14 Commits • 5 Features

Nov 1, 2025

November 2025 monthly summary highlighting business value and technical execution across webitel-ui-sdk and webitel CRM. Delivered foundational access control simplifications, API-backed agent absence management, richer table UI components, and a new start page navigation interface. Also upgraded UI dependencies to ensure consistency and forward compatibility.

October 2025

13 Commits • 5 Features

Oct 1, 2025

October 2025: Delivered permission-based Case access control and gated navigation in CRM, added sorting and default value handling for custom lookups, introduced internationalization and default structures for pause templates in the client, and integrated Workforce Management (WFM) into the UI SDK. Addressed critical UI and data integrity bugs, including license-based visibility for Cases and validation for required fields in default values. The work yielded measurable business value through security/compliance improvements, UX consistency, faster onboarding, and broader product coverage across CRM, client, and UI components.

September 2025

2 Commits • 2 Features

Sep 1, 2025

September 2025: Delivered two focused, user-impacting frontend improvements across two core repos, enhancing media-context accuracy and tree navigation usability. The changes reflect solid frontend design, TypeScript/React proficiency, and end-to-end delivery with Jira traceability across teams.

August 2025

17 Commits • 7 Features

Aug 1, 2025

August 2025 performance highlights: Implemented key user-facing improvements (multi-select tree with parent-node selection; service filter allow-parent; screencast localization and video playback), plus stability enhancements (notification sound state aligned with ChannelState.WrapTime) and cross-repo UI SDK upgrades to latest versions. Also resolved data-display bugs in CRM cases and CC-history, improving data accuracy and reliability. These changes deliver tangible business value through improved user workflows, reduced manual work, and more reliable analytics.

July 2025

9 Commits • 5 Features

Jul 1, 2025

July 2025 performance summary focused on delivering core features, improving security, and strengthening maintainability across two key repositories: webitel-ui-sdk and webitel/client. The month emphasized API compatibility, secure storage policies, configurable notifications, and alignment with api-services for streamlined dependencies.

June 2025

13 Commits • 7 Features

Jun 1, 2025

June 2025: Delivered UX and developer-experience improvements across CRM and UI SDK, strengthening navigability, data integrity, and build ergonomics. Key work included navigation enhancements in CRM breadcrumbs, robust field-popup editing with proper emission of changes, UI refinements in custom lookups (date formatting and switcher behavior), a Vite alias to simplify imports, and a URL transformer to safely construct query strings with accompanying docs and release packaging.

May 2025

14 Commits • 3 Features

May 1, 2025

May 2025 focused on delivering a cohesive, PrimeVue-based UI design system for the Webitel UI SDK, establishing a scalable theming framework, and enabling faster UI development with new components and tooling. Efforts targeted design consistency, improved developer experience, and release readiness across the repo webitel/webitel-ui-sdk.

April 2025

50 Commits • 8 Features

Apr 1, 2025

April 2025 (2025-04) – Concise monthly summary focusing on business value and technical achievements across webitel/crm, webitel/webitel-ui-sdk, webitel/cc-history, and webitel/client. Key features delivered - CRM: Redirect to related cases implemented (WTEL-6780) to streamline cross-case navigation and workflows. - UI SDK: Internationalization for core entities with EN/RU/UK support and RU/UA translations; datepicker validation enhancements; tree-table height optimization. - Release management: Version bumps across repositories to enable smooth releases (CRM 25.04.0; UI SDK 25.4.71 and 25.06.0; cc-history 25.04.0; client 25.04.0). Major bugs fixed - Custom Lookups: fixes for empty state display, rename of add custom lookup method, loadLookupList improvements, multi-option display fixes, and locale-related rollback (WTEL-6609, WTEL-6654, WTEL-6655, WTEL-6697). - Localization: fixes for get option locale method; RU/UA translations; update detail locale (WTEL-6645, WTEL-6615, WTEL-6657). - Routing/UI enhancements: moved router push into add-element flow; UI lint fixes; improved preview mode behavior; wait/load timing for custom fields; validation refinements; transform body adjustments for create/update (WTEL-6609, WTEL-6660, WTEL-6661, WTEL-6658, WTEL-6659). - General stability and polish: breadcrumbs updates; field popup UI tweaks; contact details save button behavior; cleanup and display refinements across services, deadlines, and related pieces; lockfile update. Overall impact and accomplishments - Improved release readiness and cross-repo consistency through structured versioning and packaging updates. - Enhanced user experience and data integrity via localization improvements, form validation, and UI polish. - Strengthened reliability of custom lookups and navigation flows, reducing user friction and potential tickets. Technologies/skills demonstrated - Internationalization and localization across core UI components; React-based UI improvements; release engineering and version management; code quality and maintainability through linting, cleanup, and UI refinements.

March 2025

20 Commits • 5 Features

Mar 1, 2025

March 2025: Major CRM and UI SDK enhancements delivering customization capabilities, data integrity, and developer ergonomics; improvements span custom lookup objects, case management extensions, contact fields, and a new objects API client in the SDK, plus stability fixes across build and UI imports.

February 2025

51 Commits • 17 Features

Feb 1, 2025

February 2025 monthly summary focusing on business value and technical achievements across CRM and UI SDK. Key CRM work delivered Custom Lookup Core & UI Enhancements (WTEL-5991/5998/5999) including a base API/store, dynamic display table, navigation from configuration page, sortable columns, locale updates, and add/edit popups. End-to-end Custom Lookup support: Create/Update/Delete with Dynamic Fields (WTEL-6001/6002/6003, WTEL-5998) with dynamic field support, display field components, validation, and API integration. UX/UI improvements such as loading state during lookup column refresh (WTEL-6337) and clickable record names (WTEL-6405), plus locale handling for records (WTEL-5990). Localization and i18n enhancements in webitel-ui-sdk (WTEL-5991, WTEL-6012) and a dedicated delete confirmation slot, alongside SDK release maintenance (versions 25.02.0 / 25.04). Maintenance and extensions: Customization Extension for Dictionaries (WTEL-6252/6253) and Service Disable State Switcher (WTEL-6057). Quality and stability fixes: service popups display (WTEL-6124), service catalog tables (WTEL-6114), breadcrumbs and teams header UI (WTEL-6028/6006), hide add button with no results (WTEL-6041), code cleanup (remove unused import). Package version bumps across webitel/crm, webitel/webitel-ui-sdk, webitel/cc-history, and webitel/client to reflect release readiness.

January 2025

57 Commits • 12 Features

Jan 1, 2025

Concise monthly summary for 2025-01 highlighting key features delivered, major bug fixes, overall impact, and technologies demonstrated for business value and technical achievements on webitel/crm.

December 2024

15 Commits • 1 Features

Dec 1, 2024

December 2024 monthly summary for webitel/crm focusing on business value and technical achievements. Delivered end-to-end Service Catalog Management with a scalable foundation for catalog lifecycle, including data model, API surface, UI components, and store integration. Implemented routing, localization, and UX enhancements to enable rapid catalog creation and management while improving governance and maintainability.

November 2024

12 Commits • 2 Features

Nov 1, 2024

November 2024 (2024-11) performance summary for webitel/crm and webitel/cc-history. Focused on dependency hygiene, stability, and release readiness. Delivered infrastructure-level work with no functional changes to end-user features, enabling safer deployments and a smoother path for upcoming feature work. Key outcomes: - Cross-repo dependency alignment and UI SDK upgrade to improve build reliability and consistency.

Activity

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Quality Metrics

Correctness90.6%
Maintainability89.4%
Architecture86.0%
Performance85.8%
AI Usage22.8%

Skills & Technologies

Programming Languages

CSSHTMLJSONJavaScriptSCSSSVGShellTypeScriptUnknownVue

Technical Skills

API DevelopmentAPI IntegrationAPI RefactoringAPI integrationAccess ControlAsset IntegrationBackend DevelopmentBackend IntegrationCI/CDCSSCSS FrameworksCode FormattingCode QualityCode RefactoringCode Standardization

Repositories Contributed To

4 repos

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

webitel/crm

Nov 2024 Feb 2026
13 Months active

Languages Used

JSONJavaScriptSCSSVueCSSTypeScriptVue.jsHTML

Technical Skills

Dependency ManagementAPI DevelopmentAPI IntegrationBackend DevelopmentComponent DevelopmentFront-end Development

webitel/webitel-ui-sdk

Feb 2025 Apr 2026
15 Months active

Languages Used

JavaScriptShellTypeScriptVueCSSSCSSSVGYAML

Technical Skills

ComposablesFrontend DevelopmentInternationalizationInternationalization (i18n)Package ManagementValidation

webitel/client

Feb 2025 Feb 2026
7 Months active

Languages Used

JSONJavaScriptTypeScriptVueVue.js

Technical Skills

Version ControlAPI IntegrationConfiguration ManagementDependency ManagementFront-end DevelopmentFrontend Development

webitel/cc-history

Nov 2024 Feb 2026
6 Months active

Languages Used

JSONUnknownJavaScriptSCSSTypeScriptVue

Technical Skills

Dependency ManagementVersion ControlAPI IntegrationComponent DevelopmentFront-end DevelopmentFrontend Development