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Andrey Zaytsev

@andreyzaytsev

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Senior Frontend Developer building high-load B2B/B2C web apps with React, TypeScript, micro-frontends, and BFF.

Georgia

Message

What I'm looking for

I’m looking for a challenging role to design sophisticated user interfaces and robust frontend architectures, improve DX, and optimize CI/CD—while mentoring teams and building scalable micro-frontend/BFF systems.

I’m a results-driven Senior Frontend Developer with over 6 years of experience building and scaling complex B2B/B2C web applications, including e-commerce and document workflow. I’m proficient in React and TypeScript, and I focus on modern architecture patterns like micro-frontends and BFF to keep systems resilient as they grow.

I’ve architected and delivered high-load frontend solutions under tight deadlines—like a quick survey system—and integrated real-time communication by building a chat-bot frontend module using WebSockets. I improved API contract reliability and type safety through OpenAPI code generation on the frontend, and enhanced the BFF layer using Node.js.

Alongside delivery, I’m passionate about improving Developer Experience (DX): optimizing CI/CD pipelines, enhancing Webpack builds, and enforcing code standards with ESLint. I’ve also mentored junior team members, served as a Scrum Master, and acted as a bridge between business analysts and the dev team to refine specifications and prevent rework.

Experience

Work history, roles, and key accomplishments

Current

Senior Frontend Developer

Current

X5 Tech

Nov 2024 - Present (1 year 7 months)

Architected and delivered a high-load quick survey system with frontend ownership of logic and architectural decisions. Implemented WebSockets-based chat-bot UI, introduced micro-frontends for a super-app, improved frontend API type safety via OpenAPI code generation, and enhanced the Node.js BFF layer.

React TypeScript WebSockets Frontend Architecture Scrum

Frontend Developer

Astral-Soft

Sep 2023 - Oct 2024 (1 year 1 month)

Modernized frontend architecture and optimized Webpack builds for a large-scale document management platform. Reduced backend load and improved UI performance by optimizing the BFF layer and implementing request caching, while improving CI/CD using Docker caching and shared component libraries with frontend code generation.

React TypeScript Next.js Webpack Caching CI CD Docker Component Libraries

Frontend Developer

Spiks

Jul 2021 - Sep 2023 (2 years 2 months)

Delivered high-impact frontend features across CRM, EdTech, and GovTech projects, including a custom video player with timestamps and a dynamic course builder. Improved DX through GitHub Actions CI/CD, unified Google/Yandex analytics abstraction, enforced code standards with ESLint, and supported contract-first collaboration with Swagger while mentoring a junior developer.