Vladyslav Shabaha's Work | ContraWork by Vladyslav Shabaha

Vladyslav Shabaha

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Vladyslav Shabaha

Fullstack Engineer | SaaS & AI Applications

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Followed by GALLERY L

83100 Avellino, Italy

83100 Avellino, Italy

Language Trainer — AI-Powered Language Learning App Language Trainer brings AI writing feedback, personal vocabulary, structured grammar lessons, and review exercises into one learning workspace. Users can understand their mistakes through clear explanations, save words and phrases with contextual examples, and practice through translation, spelling, and contextual responses. A progress dashboard connects vocabulary and grammar activity with suggested next steps.

TradeWolfIQ — Field Service Management SaaS TradeWolfIQ is a multi-tenant SaaS platform connecting customer management, equipment records, job scheduling, and field operations with estimates, billing, and invoicing. The system includes work and travel tracking, visit history, materials and pricing management, PDF documents, email workflows, and role-based access across workspaces and offices. Development spans the frontend, backend, database, and AWS infrastructure, with Vercel hosting and an AI-assisted workflow using Codex.

I built an extensible Admin Management Application for SaaS products, bringing subscription management, notifications, rewards, coupons, and user administration into one workspace. A key feature is the visual widget builder: a library of reusable components that can be configured and combined into custom widgets with different layouts. This modular approach makes it easier to add new capabilities as product needs evolve. My work covered the frontend, backend integrations, data flows, and administrative workflows. This video demonstrates component configuration and visual widget creation.

For over six years, I’ve helped build and evolve NytroSEO, an SEO SaaS platform, working across nearly every part of the product: Angular frontend, .NET backend, MongoDB, and external service integrations. My work covers complete feature delivery—from data models and API endpoints to UI/UX and deployment. Key projects include multi-subscription management, lifetime-deal payments and capacity upgrades, premium access, and Zoho Billing and CRM integrations. This video showcases one of the subscription management workflows I developed.