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Karyna Zhdanova

Senior Software Development Engineer in Test | Automation Architect | Full-Stack Developer

About Me

Passionate SDET with expertise in building robust test automation frameworks and full-stack applications. Specialized in Playwright, TypeScript, and modern web technologies. I create comprehensive testing solutions that ensure product quality while enabling rapid development cycles.

🎭 Playwright Sports Template

End-to-End Test Automation Framework
GitHub Repository

A comprehensive Playwright test framework built for enterprise applications:

  • 400+ test specs covering authentication, document workflows, and real-time collaboration
  • GraphQL API integration with custom test helpers for all endpoints
  • Parallel execution across 7 groups in GitLab CI/CD pipeline
  • Multi-browser support (Chrome, Firefox, Safari) with automatic screenshots and video recordings
  • Advanced authentication handling for AWS Cognito, 2FA, session management, and email verification
  • Real-time reporting with Slack integration for smoke, snapshot, and API test results
  • Maintainable architecture organized for easy updates as product evolves

Tech Stack: TypeScript, Playwright, Jest, GraphQL, AWS Cognito, GitLab CI/CD, Docker

Technical Skills

💻 Languages

JavaScript, TypeScript, Assembly, Bash, C, C#, PowerShell, Swift

🏗️ Practices & Architecture

Page Object Model, Monorepo Architecture, Performance Optimization, AI/LLM Integration, Cross-Platform Development

📚 Libraries & Frameworks

React, Vite, Zustand, Jest, Node.js, SCSS, i18next, JWT, Playwright, PrimeReact, Redux, Stripe, Tailwind CSS, .NET Core, @react-pdf/renderer, ag-Grid, Anthropic Claude, ASP.NET Core, AutoMapper, Bison, Compiler Design, Detox, Express, Fastify, Fastlane, Flex, FullCalendar, GCC, GraphQL, LinqToDB, Next.js, OpenAI, Pusher, React Email, React Native, React Native SVG, React Query, Redux Toolkit, Redux-Saga, RISC Architecture, Semantic UI, SignalR, Socket.IO, SSE, SwiftUI, TanStack Query, Webpack

☁️ Cloud & DevOps

Docker, Cloudflare R2, Netlify, Netlify Functions, Resend, AWS Amplify, AWS Cognito, AWS S3, Chocolatey, DevOps, Flyway, GitHub Actions, GitLab CI/CD, GoCD, Google OAuth, IIS, Make, Mapbox, Nginx, NuGet, Nx Monorepo, OAuth, Postmark, Railway, Vercel

🗄️ Databases

Turso, MongoDB Atlas, MS SQL Server, MySQL, Realm, Supabase

Achievements

🚀 E2E Automated Testing at Legatics

Built a comprehensive test automation solution that transformed quality assurance:

  • Scaled to 400+ test specs with maintainable, organized architecture
  • Solved complex authentication challenges including AWS Cognito flows, 2FA automation, and session management
  • Optimized CI/CD pipeline with parallel execution across 7 groups, reducing total test time by 70%
  • Implemented real-time monitoring with Slack integration for immediate failure detection
  • Ensured cross-browser compatibility with automated visual regression testing

Connect With Me

📋 LinkedIn

💬 Telegram

Knowledge Base

Welcome to the Learn Everything For Me knowledge base. Use the navigation to explore:

  • Guides: Deep dives into Playwright, testing pyramids, flaky test strategies.
  • SDET Prep: Interview-ready content covering Java, Selenium, API automation, Gen AI, and behavioral scenarios.
  • Machine Learning: Comprehensive guides on ML concepts, data handling, and production deployment.

All articles are maintained in Markdown and published via MkDocs → GitHub Pages. Feel free to bookmark this index.md as your landing page.