08/27/2026 updated


100 % available
Senior Frontend Engineer | React.js | TypeScript | Next.js
Prague, Czech Republic
Worldwide
Moscow Polytechnic UniversityAbout me
Senior Full-Stack & AI Engineer with 9+ years of experience building scalable web and enterprise solutions. Strong in React, TypeScript, Next.js and Node.js, with a growing focus on AI-powered applications, LLM integration and AI agents. Experienced in end-to-end delivery and open to B2B projects.
AI AgentsRAGLLMJavaScriptUser Interface DesignPython (Programming Language)Next.jsGenerative AIDockerMicroservices
Full-Stack Development – React, TypeScript, Next.js, Node.js
AI Engineering – LLM integration, AI agents, RAG, Generative AI
Frontend Architecture – scalable enterprise applications, design systems
Backend & APIs – Node.js, REST APIs, integrations
Cloud & DevOps – CI/CD, Docker, Azure
Software Architecture – modular systems, micro frontends, enterprise solutions
Experience
Professional experience10+ years
Freelancer since2014
Languages
EnglishNative speakerRussianNative speakerCzechNative speakerTurkishNative speaker
Project history
Building and maintaining scalable React, TypeScript, and Next.js applications in a global enterprise healthcare environment. Shaping modular frontend architecture using monorepo structures and shared UI libraries. Managing server and client state with TanStack Query, Zustand, and Redux. Strengthening delivery quality through Jest and React Testing Library, while supporting modern build and hybrid application workflows with RSBuild and Capacitor.
Developed Node.js backend functionality and server-side application logic supporting the product core user flows. Structured reusable backend modules and services. Connected frontend features with Node.js services, strengthening end-to-end delivery across the client-server boundary.
Delivered key frontend modules for Home Credit core systems, including identity-verification and payment-management workflows. Modernized React component structure and state-management patterns. Implemented frontend performance improvements and reinforced critical user flows with Jest and React Testing Library.