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Hi, I’m Sergey Runich, a frontend developer with over a decade of experience delivering high-performance, accessible web applications. I specialize in building declarative UIs with React and TypeScript, leading teams, and turning complex requirements into robust, scalable interfaces. I enjoy collaborating with product and design teams, staying current with modern web technologies and AI trends, and ensuring quality through automated tests and CI/CD pipelines.…Hi, I’m Sergey Runich, a frontend developer with over a decade of experience delivering high-performance, accessible web applications. I specialize in building declarative UIs with React and TypeScript, leading teams, and turning complex requirements into robust, scalable interfaces. I enjoy collaborating with product and design teams, staying current with modern web technologies and AI trends, and ensuring quality through automated tests and CI/CD pipelines.

Sergey Runich

Front-End Developer, Web Developer, UI Designer, +2

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Hi, I’m Sergey Runich, a frontend developer with over a decade of experience delivering high-performance, accessible web applications. I specialize in building declarative UIs with React and TypeScript, leading teams, and turning complex requirements into robust, scalable interfaces. I enjoy collaborating with product and design teams, staying current with modern web technologies and AI trends, and ensuring quality through automated tests and CI/CD pipelines.…Hi, I’m Sergey Runich, a frontend developer with over a decade of experience delivering high-performance, accessible web applications. I specialize in building declarative UIs with React and TypeScript, leading teams, and turning complex requirements into robust, scalable interfaces. I enjoy collaborating with product and design teams, staying current with modern web technologies and AI trends, and ensuring quality through automated tests and CI/CD pipelines.

Available to hire

Hi, I’m Sergey Runich, a frontend developer with over a decade of experience delivering high-performance, accessible web applications. I specialize in building declarative UIs with React and TypeScript, leading teams, and turning complex requirements into robust, scalable interfaces.

I enjoy collaborating with product and design teams, staying current with modern web technologies and AI trends, and ensuring quality through automated tests and CI/CD pipelines.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Armenian

Fluent

Russian

Fluent

English

Advanced

Work Experience

Tech Lead at FLEXY GLOBAL

August 1, 2024 - Present

Led the development team as Tech Lead, boosting KPI performance by 20.5% through improved collaboration and code quality practices. Defined and enforced project-wide coding standards, achieving a 33.8% reduction in recurring errors and accelerating new developer onboarding. Engineered and launched an offline exam mode, eliminating most system failures during student testing and enhancing user reliability.

Senior Frontend Developer at KIVORK

September 1, 2023 - April 1, 2025

Developed a company-wide UI Kit to ensure visual consistency and reusability. Migrated the checkout and air ticket payment module to Next.js, improving performance and maintainability. Led a team of 5 developers in building a hotel booking application, later integrated with the company’s air ticket sales platform.

Senior Frontend Developer at NUTRITION PRO

August 1, 2021 - September 1, 2023

Collaborated with backend to develop 5 CRM systems, streamlining business operations and improving workflow efficiency. Conducted technical interviews, recruiting and onboarding top frontend talent. Managed and optimized the development process, elevating team performance and delivery quality.

Tech Lead at BREEZOR

September 1, 2020 - September 1, 2021

Designed and implemented the web application UI while establishing a scalable frontend architecture. Developed a UI Kit and built the application from scratch to release, ensuring consistency, maintainability, and a high-quality user experience.

Frontend Developer at ODDS (FORMER TIPS)

February 1, 2019 - June 1, 2020

Designed and implemented interactive data dashboards, improving decision-making speed for business stakeholders by visualizing complex data.