ANATOLII SYDORENKO

Frontend Developer  •   JavaScript | React | Next.js

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A.Sydorenko - Front-End Developer
Contact
Saarbrücken, Germany+49 175 377 02 68sidhtc510@gmail.comasidr.com · github.com/sidhtc510linkedin.com/in/sidhtc510
Summary

Frontend Developer with 10+ years of experience building scalable web applications using React and Next.js. Delivered commercial projects across e-commerce, food delivery, and service platforms - from landing pages to full-stack applications with real-time features, payment systems (Stripe), and authentication flows. Background includes founding and running a B2B company for 8 years, which brings practical product thinking alongside technical skill.

Technical Skills
Core Technologies: JavaScript (ES6+), HTML5, CSS3 · React.js, Next.js (v13+) · Redux Toolkit, Zustand · Node.js, REST API, Socket.io
Styling & UI: Tailwind CSS, SASS/LESS, BEM · Material UI, Ant Design, Bootstrap, Framer Motion · Responsive Design, Pixel Perfect
Backend & Databases: PostgreSQL, MongoDB, MySQL · PHP, Laravel (basic)
Tools & Workflow: Git, GitHub, VS Code, Postman · Webpack, ESLint, Prettier · Figma, Adobe Photoshop · Agile (Scrum, Kanban), Jira
Auth & Payments: Clerk, Auth0 · Stripe, Stripe Connect
Deployment: Docker, VPS, Dokploy or Coolify, Vercel
Experience
Self-Employed Frontend Developer2014 – present

Delivered commercial projects across e-commerce, food delivery, and service platforms. Specialized in React / Next.js with full-stack integration, real-time features, and payment systems.

Blitzessen.de - Food Delivery Platform

Next.js 15+, PostgreSQL, Zustand, Stripe Connect, Docker, Dokploy

  • •Restaurant aggregator with geolocation, custom domain per restaurant, full order management system

SushiKo - Restaurant Web App

Next.js 15, Clerk, Stripe, MongoDB, Socket.IO

  • •Real-time admin notifications, e-commerce flow with order tracking

Wörterbuch - German Dictionary with AI

Next.js 14, MongoDB, GeminiAI

  • •AI-powered word submission, interactive noun article game

Daenemark-Heiraten.com - Wedding Services Platform

Next.js 14, Tailwind CSS, MongoDB

  • •Multilingual support, responsive UX, booking flow

Reifenservice-kulish.de - Auto Repair Landing Page

Next.js, React, Framer Motion

  • •Fast, responsive SEO-friendly landing with smooth animations

ImmCanadaHelp - Immigration Scoring Platform

PHP, JavaScript, MySQL

  • •Point-based eligibility system with document submission flow

Mimish - Online Stationery Store (5000+ products)

PHP, JavaScript, MySQL

  • •Product catalog, filtering, cart and checkout functionality
Frontend Developer| BelianiNov 2020 – Sep 2021
  • •Developed and optimized e-commerce platform interfaces
  • •Reduced page load time by 30% via code splitting and lazy loading
  • •Built reusable UI components and responsive layouts; worked in Agile team
Founder & Director| Partner Office LLC (ООО «Партнер Офис»)2008 – 2016

Founded and managed a wholesale B2B company supplying stationery and household chemicals to enterprises in Ukraine.

  • •Grew the business from startup to stable B2B supply chain operation
  • •Developed and maintained online store shop-pen.com (PHP / JavaScript / MySQL) - full product catalog, ordering, and client management
  • •Led a team, managed supplier and client relationships, handled financial reporting
Education

German Language Course - B1 Certification

Diakonisches Werk an der Saar · Saarbrücken, Germany · Jun 2024 – Aug 2025

Frontend Developer Certification

Tel-Ran Programming School · Saarlouis, Germany · Oct 2022 – Aug 2023

Bachelor's Degree in Foreign Economic Management

Institute of Psychology and Entrepreneurship · Donetsk, Ukraine · 2001 – 2007

Languages

Ukrainian / Russian: Native  ·  German: B1 ·  English: Intermediate

Additional

Work Authorization: Eligible to work in Germany ·  Availability: Immediate

Residence: Germany since 2022 ·  Family Status: Married, three children