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Karen GuyumjyanKG
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Karen Guyumjyan

@karenguyumjyan

Front-End Developer at Optimax Dev who created a company-wide React and TypeScript design system with reusable UI components.

Armenia
Message

At Optimax Dev, I led the design and development of a company-wide design system using React and TypeScript, creating reusable UI components for multiple projects. I also documented components in Storybook and wrote tests with Jest and React Testing Library.

At Elite Dev Squad, I developed responsive applications with React, Next.js, and Redux Toolkit. I translated UI/UX designs into maintainable code and migrated a legacy JavaScript codebase to TypeScript.

Earlier, as a QA Automation Engineer at FORTRA, I designed and executed automated test plans with Selenium and conducted performance and load testing. My QA background informs the attention I bring to application quality and stability.

Experience

Work history, roles, and key accomplishments

OD
Current

Mid Front-End Developer

Optimax Dev

Jan 2025 - Present (1 year 10 months)

Led the design and development of a company-wide Design System using React and TypeScript, creating scalable and reusable UI components. Built and documented UI components in Storybook, wrote unit and integration tests with Jest and React Testing Library, and conducted regular code reviews.

ES

Front-End Developer

Elite Dev Squad

Feb 2023 - Jan 2025 (1 year 11 months)

Developed and launched responsive web applications using React, Next.js, and Redux Toolkit, resulting in a 30% boost in user engagement. Translated complex UI/UX designs into clean, maintainable code using Material UI and Tailwind CSS, and migrated a large legacy JavaScript codebase to TypeScript.

FO

QA Automation Engineer

FORTRA

Jun 2021 - Mar 2023 (1 year 9 months)

Designed and executed automated test plans using Selenium, collaborating closely with developers to identify bugs early in the development lifecycle. Conducted performance and load testing to ensure application scalability and reliability.

Education

Degrees, certifications, and relevant coursework

National Polytechnic University of Armenia logoNA

National Polytechnic University of Armenia

Bachelor's degree, Management Information Systems

2017 - 2023

Pursued a degree in Management Information Systems, building a foundation in software engineering.

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