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Hi, I’m Anatolii Sydorenko, a frontend developer with over 10 years of experience delivering scalable and performant web applications using React and Next.js. I excel at turning complex requirements into clean, accessible interfaces and collaborating with cross-functional teams to ship features that drive business results. I’ve built expertise across e-commerce, food delivery, and real-time platforms, and I bring an entrepreneurial mindset from founding and leading a wholesale business. I’m proficient with modern tooling, Agile methodologies, and payment integrations, and I’m passionate about creating delightful user experiences while keeping performance and maintainability at the core.…Hi, I’m Anatolii Sydorenko, a frontend developer with over 10 years of experience delivering scalable and performant web applications using React and Next.js. I excel at turning complex requirements into clean, accessible interfaces and collaborating with cross-functional teams to ship features that drive business results. I’ve built expertise across e-commerce, food delivery, and real-time platforms, and I bring an entrepreneurial mindset from founding and leading a wholesale business. I’m proficient with modern tooling, Agile methodologies, and payment integrations, and I’m passionate about creating delightful user experiences while keeping performance and maintainability at the core.

Anatolii Sydorenko

Front-End Developer, Web Developer, UI Designer, +5

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Hi, I’m Anatolii Sydorenko, a frontend developer with over 10 years of experience delivering scalable and performant web applications using React and Next.js. I excel at turning complex requirements into clean, accessible interfaces and collaborating with cross-functional teams to ship features that drive business results. I’ve built expertise across e-commerce, food delivery, and real-time platforms, and I bring an entrepreneurial mindset from founding and leading a wholesale business. I’m proficient with modern tooling, Agile methodologies, and payment integrations, and I’m passionate about creating delightful user experiences while keeping performance and maintainability at the core.…Hi, I’m Anatolii Sydorenko, a frontend developer with over 10 years of experience delivering scalable and performant web applications using React and Next.js. I excel at turning complex requirements into clean, accessible interfaces and collaborating with cross-functional teams to ship features that drive business results. I’ve built expertise across e-commerce, food delivery, and real-time platforms, and I bring an entrepreneurial mindset from founding and leading a wholesale business. I’m proficient with modern tooling, Agile methodologies, and payment integrations, and I’m passionate about creating delightful user experiences while keeping performance and maintainability at the core.

Available to hire

Hi, I’m Anatolii Sydorenko, a frontend developer with over 10 years of experience delivering scalable and performant web applications using React and Next.js. I excel at turning complex requirements into clean, accessible interfaces and collaborating with cross-functional teams to ship features that drive business results.

I’ve built expertise across e-commerce, food delivery, and real-time platforms, and I bring an entrepreneurial mindset from founding and leading a wholesale business. I’m proficient with modern tooling, Agile methodologies, and payment integrations, and I’m passionate about creating delightful user experiences while keeping performance and maintainability at the core.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Russian

Fluent

Ukrainian

Fluent

English

Intermediate

German

Intermediate

Work Experience

Frontend Developer at blitzessen.de

September 1, 2025 - Present

Launched in September 2025 as a restaurant aggregator based on geolocation; enabled custom restaurant domains; built with Next.js 15+ and PostgreSQL; payments via Stripe Connect; deployed on a VPS using Docker and Dokploy.

Frontend Web Developer at Beliani

November 1, 2023 - September 1, 2024

Developed and optimized interfaces for an e-commerce platform; reduced page load time by 30% using code splitting and lazy loading; built reusable UI components and responsive layouts for multiple devices.

Frontend Developer at Beliani

November 1, 2023 - September 1, 2024

Developed and optimized interfaces for an e-commerce platform; Reduced page load time by 30% using code splitting and lazy loading; Built reusable UI components and responsive layouts for multiple devices.

Full Stack Developer at ImmCanadaHelp

January 1, 2020 - Present

Immigration scoring and application platform; Built with PHP, JavaScript, and MySQL (2020); Provided point-based eligibility system and document submission flow.

Frontend Developer at Mimish

January 1, 2018 - Present

Online stationery store (5000+ products); Developed in 2018 using PHP, JavaScript, and MySQL; Included product catalog, filtering, cart, and checkout functionality.

Frontend Developer at Self-Employed

January 1, 2014 - Present

Delivered multiple client projects across e-commerce, food delivery, and service platforms. Specialized in React/Next.js with full-stack integration, real-time features, and payment system integration (Stripe/Stripe Connect). Led frontend architecture and implementation for projects including Blitzessen.de, SushiKo, Wörterbuch AI submission, Daenemark wedding services, Reifenservice landing pages, ImmCanadaHelp scoring platform, and Mimish online store; focused on performance, accessibility, and responsive design.

Frontend Developer at Beliani

November 1, 2020 - September 30, 2021

Developed and optimized ecommerce platform interfaces; reduced page load time by 30% via code splitting and lazy loading; built reusable UI components and responsive layouts; contributed in an Agile team to deliver features and improvements.

Founder & Director at Partner Office (LLC)

January 1, 2008 - December 31, 2016

Founded and managed wholesale B2B company supplying stationery and household chemicals to enterprises in Ukraine. Built online store shop-pen.com (PHP/JavaScript/MySQL) with full product catalog, ordering, and client management; led a team, managed supplier and client relationships, and handled financial reporting.