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Mykola Filippov

@mykolafilippov

Full-stack developer at Tentai who migrated a React SPA to Next.js SSR, raising its Lighthouse score from 50 to 74.

Finland
Message

As a freelance Full-Stack Developer, I deliver responsive React and Next.js websites, REST integrations, and deployment improvements, translating design requirements into working features.

At Tentai, I migrated a React SPA to Next.js SSR, improving routing and SEO and raising Lighthouse from 50 to 74. I also integrated REST APIs and maintained production features, including multilingual UI and asynchronous loading and error states.

At Seidat, I delivered a React and TypeScript template store integrated with the main application and admin panel. I contributed Node.js APIs and MongoDB data handling, and supported Stripe purchasing flows in an existing production codebase.

On the Avrash project, I built a Next.js website with Alona Avrash, plus a custom CMS and analytics dashboard using Cloudflare Workers, D1, and R2. For the Yuviron team graduation project, I contributed ASP.NET Core REST APIs and handled Linux/Docker deployment and GitHub Actions automation.

Experience

Work history, roles, and key accomplishments

FR
Current

Full-Stack Developer

Freelance

Apr 2024 - Present (2 years 6 months)

Delivered responsive React/Next.js websites and REST integrations, translating design requirements into working features and handling deployment and follow-up improvements.

TE

Full-Stack / Frontend Developer

Tentai

Aug 2025 - Dec 2025 (4 months)

Migrated a React SPA to Next.js SSR, improving routing and SEO and raising Lighthouse from 50 to 74. Integrated REST APIs and maintained production features, including multilingual UI and asynchronous loading/error states.

SE

Web Developer

Seidat

Aug 2024 - Jul 2025 (11 months)

Delivered a React/TypeScript template store integrated with the main application and admin panel; contributed Node.js APIs and MongoDB data handling. Supported Stripe purchasing flows, resolved integration issues and participated in code reviews in an existing production codebase.

Education

Degrees, certifications, and relevant coursework

OS

Odessa Technological University IT STEP

Bachelor's degree, Computer Science

2023 -

Pursuing a Bachelor's degree in Computer Science, expected to graduate in June 2026.

OC

Odessa Corporate Computer College

2020 - 2022

Completed studies at Odessa Corporate Computer College from 2020 to 2022.

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