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Hi, I’m Tetiana Yavorska, a senior software engineer with 6+ years of experience building intuitive, high-performance web applications using React and TypeScript. I design scalable frontend architectures, optimize performance with techniques like code splitting and lazy loading, and create accessible UI that empowers users across devices. I regularly work with modern frontend stacks (React, TypeScript, TanStack Query, MUI/Tailwind) to deliver polished features from concept to production. I’m passionate about delivering accessible, scalable user experiences and collaborating closely with Product, Design, and Backend teams to ship impactful features. I translate user pain points into concrete product improvements, uphold WCAG accessibility standards, and strive to improve reliability and speed of delivery while keeping a friendly, collaborative mindset.…Hi, I’m Tetiana Yavorska, a senior software engineer with 6+ years of experience building intuitive, high-performance web applications using React and TypeScript. I design scalable frontend architectures, optimize performance with techniques like code splitting and lazy loading, and create accessible UI that empowers users across devices. I regularly work with modern frontend stacks (React, TypeScript, TanStack Query, MUI/Tailwind) to deliver polished features from concept to production. I’m passionate about delivering accessible, scalable user experiences and collaborating closely with Product, Design, and Backend teams to ship impactful features. I translate user pain points into concrete product improvements, uphold WCAG accessibility standards, and strive to improve reliability and speed of delivery while keeping a friendly, collaborative mindset.

Tetiana Yavorska

Front-End Developer, Web Developer, Full Stack Developer, +2

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Hi, I’m Tetiana Yavorska, a senior software engineer with 6+ years of experience building intuitive, high-performance web applications using React and TypeScript. I design scalable frontend architectures, optimize performance with techniques like code splitting and lazy loading, and create accessible UI that empowers users across devices. I regularly work with modern frontend stacks (React, TypeScript, TanStack Query, MUI/Tailwind) to deliver polished features from concept to production. I’m passionate about delivering accessible, scalable user experiences and collaborating closely with Product, Design, and Backend teams to ship impactful features. I translate user pain points into concrete product improvements, uphold WCAG accessibility standards, and strive to improve reliability and speed of delivery while keeping a friendly, collaborative mindset.…Hi, I’m Tetiana Yavorska, a senior software engineer with 6+ years of experience building intuitive, high-performance web applications using React and TypeScript. I design scalable frontend architectures, optimize performance with techniques like code splitting and lazy loading, and create accessible UI that empowers users across devices. I regularly work with modern frontend stacks (React, TypeScript, TanStack Query, MUI/Tailwind) to deliver polished features from concept to production. I’m passionate about delivering accessible, scalable user experiences and collaborating closely with Product, Design, and Backend teams to ship impactful features. I translate user pain points into concrete product improvements, uphold WCAG accessibility standards, and strive to improve reliability and speed of delivery while keeping a friendly, collaborative mindset.

Available to hire

Hi, I’m Tetiana Yavorska, a senior software engineer with 6+ years of experience building intuitive, high-performance web applications using React and TypeScript. I design scalable frontend architectures, optimize performance with techniques like code splitting and lazy loading, and create accessible UI that empowers users across devices. I regularly work with modern frontend stacks (React, TypeScript, TanStack Query, MUI/Tailwind) to deliver polished features from concept to production.

I’m passionate about delivering accessible, scalable user experiences and collaborating closely with Product, Design, and Backend teams to ship impactful features. I translate user pain points into concrete product improvements, uphold WCAG accessibility standards, and strive to improve reliability and speed of delivery while keeping a friendly, collaborative mindset.

Skills

Experience Level

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Language

English

Fluent

Ukrainian

Fluent

Work Experience

Senior Software Engineer at Keepit

December 1, 2025 - Present

Designed and implemented a scalable frontend architecture using React, TypeScript, and TanStack Query, enabling real-time data synchronization and improved system responsiveness. Introduced structured feedback loops with support and operations teams, translating user pain points into product improvements, reducing incident investigation time by 40%. Partnered with backend teams to define API for logs and metrics aggregation, reducing frontend-backend integration issues by 30%. Ensured all UI components comply with WCAG 2.0 AA standards, including keyboard navigation, ARIA roles, and screen reader support. Conducted usability testing sessions and integrated insights into iterative UI improvements, increasing user satisfaction by 25%.

Frontend Developer at Keepit

October 1, 2023 - December 1, 2025

Spearheaded the frontend development of an Internal Resource Management Application, enabling project portfolio visualization, critical path tracking, and dependency management. Implemented real-time burndown charts, task progress tracking, and time-tracking reminders, improving task prioritization by 25% and reducing unlogged hours by 30%. Enhanced data visualization by creating dynamic dashboards that integrated resource dependencies and provided real-time project insights.

Front-End Developer at Viantos AG

May 1, 2023 - October 1, 2023

Project: SmartGroups Application. Enhanced real-time communication using WebRTC to support video conferencing and instant messaging, ensuring low-latency and high-reliability. Developed a web notification system for real-time activity updates, improving team communication and reducing response times. Collaborated with cross-functional teams to accelerate the software development cycle by 10%, speeding up delivery and iterative improvements.

Front-End Developer at Keepit

May 1, 2021 - July 31, 2023

Rebuilt and optimized the UI using React + TypeScript, integrating MFA and SSO, leading to a 20% reduction in authentication errors. Developed and automated Cypress & Vitest testing pipelines, increasing test coverage to 95% and reducing bug detection time by 50%. Implemented code-splitting and lazy loading, reducing initial load times by 30% and optimizing large data handling.

Front-End Developer at Web Agency

January 1, 2020 - May 31, 2021

Developed and maintained 25+ commercial websites, focusing on SEO, cross-browser compatibility, and responsive design. Introduced Git and SDLC practices, reducing project time and saving the company $20,000 annually through process improvements.