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EngineeringEnd-to-End Systems

Full Stack Developer building end-to-end web applications with React, Next.js, TypeScript, and Node.js. Focused on REST APIs, PostgreSQL/Supabase, and high-performance, accessible UIs.

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Experience
~3 years
Location
Frankfurt am Main, Germany
Focus
React / Next.js / Node.js
Languages
DE B2 · EN B1/B2 · UA native
Availability
Open to work

Primary Stack

React

Next.js

TypeScript

Tailwind

Node.js

PostgreSQL

AI / LLM

Linux / Git

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CORE PRINCIPLE

Engineeringresilientwebsystemsthatloadfast,scalecleanly,andtransformcomplexbusinessrequirementsintoaccessibleproducts.

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Disciplined engineering
driven by excellence.

Full Stack Developer / Freelance

Freelance | 05/2023 — Present

5+ full-stack apps deployed on Vercel, integrating Stripe, OAuth/JWT and PostgreSQL. Delivered an analytics dashboard with real-time visualization and RBAC.

Frontend Developer / Contractor

Kunstschule Berlin | 09/2025 — 11/2025

Integrated Supabase schemas and REST endpoints. Cut API overhead 30% with TanStack Query and technical debt 40% through legacy refactoring.

B.Sc. Computer Science

LNTU Lutsk (Expected 2028)

Full Stack Engineering

5+ end-to-end web apps shipped

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Full professional experience, technical competencies, and education credentials verified. Access the human-readable dashboard below.

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Deployed Production Nodes

Case studies in performance and internationalization.

PROD_NODE

AMAZE 3D — WebGL Puzzle Game

Browser-based 3D maze puzzle game with procedural levels, achievements, and leaderboards. Next.js 16, React 19, Three.js.

Next.js 16React 19Three.jsTypeScript

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PROD_NODE

GlycoPace — Pacing & Fueling Calculator

Endurance running pacing and carbohydrate fueling calculator with elevation-adjusted GAP. Flutter, Dart, Riverpod, Hive.

FlutterDartProvider / RiverpodHive

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ARCHIVED_NODES / MINOR_SYSTEMS

Noventa Bakery — Bakery Platform

Next.js 16 / React 19 / TypeScript

Bagnet Fighting Club — Web Platform

Next.js 15 / TypeScript / Supabase

Daria Polupenko — Photography Portfolio

Next.js 14 / TypeScript / Tailwind CSS

Portfolio Website

Next.js 14 / TypeScript / Tailwind CSS

Internal Dashboards

React / TypeScript / Chart.js

AI-Enhanced Web Apps

Next.js / TypeScript / OpenAI API

RECRUITER BRIEFING

Recruiter FAQ

Direct facts regarding availability, work authorization, and technical competence.

Available immediately with zero notice period for full time employment or contract engagements.

Currently based in Frankfurt am Main with valid and unrestricted work authorization in Germany.

Fully equipped for remote positions globally, and readily available for hybrid or on site roles in the Frankfurt Rhine Main region.

React, Next.js App Router, TypeScript, Node.js, and PostgreSQL or Supabase, with strong focus on performance optimization and web accessibility.

Fluent German at professional B2 level, working professional English at B1/B2 level, and native Ukrainian.

Experienced in agile Scrum and Kanban environments, automated CI/CD workflows, disciplined Git hygiene, and thorough peer code reviews.

Let's work
together.

Ready to bring your ideas to life. Let's build the next generation of digital infrastructure.

Secure Endpoint

devnazarchuk@gmail.com

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