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roman_zaichenk0

Roman Zaichenko

@roman_zaichenk0
Ukraine
English, Ukrainian, Russian
About me
I help startups and businesses build fast, scalable, and AI-powered web applications from scratch - turning complex product requirements into clean, production-ready software. With a strong Software Engineering background, I specialize in the modern TypeScript ecosystem. I am equally comfortable architecting high-performance frontend interfaces in React and Next.js as I am designing robust backend services, database schemas, and multi-runtime architectures. ... Read more

Skills

r
roman_zaichenk0
Roman Zaichenko
Offline • 

See my services

Full Stack Web Applications
I will build a full stack web application
From$60 / projectMore details

Portfolio

Work experience

ROBOCODE

Software engineer

ROBOCODE

Oct 2024 - Present • 2 yrs 1 mo

Developed and maintained internal educational web platforms, interactive student portals, and administrative dashboards using React, TypeScript, and Node.js. Key responsibilities & achievements: - Built responsive frontend interfaces and interactive coding sandboxes for web-based learning modules. - Designed and integrated RESTful APIs and backend services to track student progress, manage class schedules, and automate grading workflows. - Optimized application performance, refactored legacy frontend codebases, and ensured cross-browser compatibility across desktop and tablet devices.