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Опыт работы

Fullstack-розробник

с 04.2025 по наст. время (1 год 4 месяца)
Idea GIC s.r.o., Дистанційно (IT)

Project 1: FindOut Marketplace (https://fdout.pl)
A high-traffic, SEO-critical services and expert directory serving Poland and Czechia (multi-domain, 4 locales, large-scale SSR catalog).

- Led FSD migration of the core client-facing platform to Next.js App Router, establishing strict import boundaries and code reusability.
- Engineered SEO-first SSR architecture supporting dynamic XML sitemaps, automated hreflang annotations, JSON-LD structured data, and dynamic Open Graph (OG) metadata, achieving a 92/100 production SEO score.
- Optimized Core Web Vitals using Lighthouse CI in automated check pipelines, reducing homepage TTFB by 91% (from 3.7s to 344ms), FCP by 54%, and TBT by 52%.
- Implemented Stripe Pro subscriptions, checkout payment flows, Google OAuth, Telegram Login, and Twilio OTP for expert contact reveal.
- Developed core product features, including expert search directory, review mechanisms, referral campaigns, and ElevenLabs Voice AI agents with OpenAI-driven lead extraction.
- Modernized admin panel modules (categories, professions, moderation) using FSD and TanStack Query, implementing URL-based Role-Based Access Control (RBAC).

Fullstack-розробник

с 04.2025 по наст. время (1 год 4 месяца)
Idea GIC s.r.o., Дистанційно (IT)

Project 2: NeuroDebate AI SaaS (https://neurodebate.io)
An AI answer-verification platform delivering scored verdicts (0-100%) through automated multi-model debates and fact-checking.
- Developed the front-end client (Next.js, React 19, shadcn/ui) featuring a highly complex, interactive editor for structuring multi-stage AI debates (up to 10 stages) across 4 parallel AI roles.
- Implemented a JWT-authenticated Server-Sent Events (SSE) client streaming live debate exchanges, single/compare chats, and real-time model key health indicators.
- Engineered a performance-optimized SSE connection lifecycle containing local-storage tab synchronization (preventing duplicated connections and 429 errors), idle state detection, and jittered reconnect backoffs.
- Integrated multi-provider LLM stack (DeepSeek, Gemini, Meta, Mistral, NVIDIA, Qwen, OpenAI) via admin provider/model/API-key management with role-based routing and failover.
- Collaborated on NestJS DB-backed provider gateway: multi-account API keys, role-based routing (main → backup → last_resort), health scoring, cooldowns, and audit/request logging (ai_request_logs) using database-level constraints.
- Built administrative panels for real-time model configuration (CRUD), key health stream monitoring, and templates management integrated with AWS S3 asset uploads.

Fullstack-розробник

с 04.2025 по наст. время (1 год 4 месяца)
Idea GIC s.r.o., Дистанційно (IT)

Project 3: DOM Community Hub (https://dom.community)

A unified membership platform and ecosystem for expats aggregating standalone services across security (VPN), finance (e-wallet), adaptation (marketplace), and leisure (media) — Amnezia VPN, FindOUT, Dom.Show, Capitalist.

- Shipped a 3-app product suite composed of a Next.js public client (FSD), a React Admin + MUI back-office dashboard, and a modular NestJS API.
- Developed a centralized catalog and service landing pages, utilizing secure SSO handoff tokens to authenticate users seamlessly into external service platforms.
- Designed and built NestJS modules leveraging Drizzle ORM, Repository Pattern, and Swagger/OpenAPI, maintaining strict isolation between public and administrative endpoints.
- Designed a complete public review engine incorporating user likes/dislikes, atomic counter updates, and a denormalized popularity-scoring algorithm.
- Implemented email/password and Google OAuth workflows backed by rotating JWT refresh tokens stored in httpOnly cookies, featuring multi-tab state sync.
- Engineered an asynchronous media pipeline compressing user uploads on-the-fly to WebP via Sharp before writing to AWS S3.
- Integrated a closed-loop user session funnel with Discord/Telegram webhook integrations for real-time team operational alerts.

Fullstack-розробник

с 01.2025 по 03.2025 (3 месяца)
Fernir LLC, Дистанційно (IT)

- Built a fully responsive production-ready SaaS boilerplate using Next.js (App Router), TypeScript, Tailwind CSS, shadcn/ui, Drizzle ORM, PostgreSQL, and Next.js Server Actions.
- Integrated Stripe payments (subscription flows) and Plaid SDK for high-value bank payment processing.
- Architected type-safe database schemas and API endpoints leveraging Drizzle ORM and Zod validations, achieving end-to-end type safety without a separate backend service.
- Implemented WCAG 2.2 accessible UI components and established a Playwright end-to-end test suite, achieving 80%+ coverage of business-critical user flows.
- Implemented real-time user notification streams using WebSockets.

Образование

Університет імені Альфреда Нобеля

Право, Дніпро
Высшее, с 2016 по 2017 (1 год)

Національна металургічна академія України

Економіка підприємства, Дніпро
Высшее, с 2004 по 2006 (2 года)

Харківський національний університет радіоелектроніки

Інформаційні мережі зв'язку, Харків
Высшее, с 1998 по 2003 (5 лет)

Дополнительное образование и сертификаты

GoIt Fullstack Developer

2022-2023
Сертификат

SoftServe Academy, Practical React

2024, 3 місяці
Сертификат

SoftServe Academy, Frontend project-based learning

2024, 1 місяць
Сертификат

Знания и навыки

• HTML
• CSS
• JavaScript
• SASS
• Git
• React
• Redux
• REST API
• Next.js
• TypeScript
• Node.js
• Express.js
• PostgreSQL
• MongoDB
• Tailwind CSS
• Redux Toolkit
• Firebase
• Supabase
• NestJS
• Zustand
• TanStack Query
• RTK Query
• Mongoose
• Prisma
• TypeORM
• Sequelize
• Docker
• Context API
• Jest
• Vite.js
• React testing library

Знание языков

• Английский — средний
• Немецкий — начинающий