Available for new projects

Senior Full-Stack
Engineer

I build production-ready SaaS products — Next.js, NestJS, AI integrations.

Vasyl Sanotskyi

About me

Senior full-stack engineer based in Lviv, Ukraine with 5+ years of experience shipping production-grade web products — from early-stage MVPs to scalable SaaS platforms. I focus on clean architecture, clear communication, and long-term code quality. My work spans complex backend systems, modern frontend interfaces, and AI integrations — built to scale and easy to maintain.

Lviv, Ukraine 🇺🇦Available nowAsync-first

5+

Years experience

30+

Projects shipped

5.0

Upwork rating

Tech Stack

Frontend

12 technologies

Next.js

Expert

React

Expert

TypeScript

Expert

Tailwind CSS

Expert

shadcn/ui

Expert

TanStack Query

Expert

Framer Motion

Advanced

Zod

Expert

Vite

Expert

Vitest

Advanced

Storybook

Advanced

Turborepo

Advanced

Selected Work

ERP / Logistics0 → Production

Just Fare

B2B logistics and catering ERP for the US market. Multi-tenant architecture, real-time sync, automated billing engine. Clients include Discord and Midjourney.

Next.jsNode.jsFirebasePostgreSQL
SaaS / Booking100/100 Lighthouse

Fieldspace

High-concurrency B2B booking and facility management platform. Calendar scheduling, multi-tier membership, Stripe subscriptions.

Next.jsTailwind CSSStripePostgreSQL
Social PlatformThousands of users

Storinky

Social book-tracking platform from MVP to thousands of users. PostgreSQL schema design, SEO optimization, content discovery algorithms.

ReactNode.jsPostgreSQL

Testimonials

5.0
Apr 27, 2026
Vasyl has been excellent to work with throughout this project. He is highly professional, technically strong, organized, and communicates clearly at every stage. What I value most is that he doesn't just code tasks mechanically — he thinks strategically about architecture, scalability, and long-term product quality. He consistently delivers milestones on time, responds quickly, and remains supportive with refinements after delivery. Reliable, skilled, and easy to work with. I highly recommend Vasyl for serious long-term projects.
Technically StrongStrategic ThinkerReliable

Upwork Client · Privacy-First Analytics Platform (PWA)

5.0
Apr 26, 2026
Vasyl is a skilled and creative developer who goes beyond just writing code — he actively proposes solutions and thinks through the architecture. What started as an MVP turned into a serious compliance platform with AI assistant, hierarchical access control, and automated task management. He handled a complex, evolving scope professionally and delivered a solid foundation for scaling. Recommended for serious projects.
Committed to QualitySolution OrientedAccountable for OutcomesProfessional

Upwork Client · Custom Web App with Dashboard, Tasks & Document AI

Services & Pricing

Most popular

Full SaaS MVP

From Figma or idea to production. Next.js, Supabase, Stripe, auth, dashboard.

From $1,500

7 days

Write me

Scalable Backend

NestJS, AWS, PostgreSQL, multi-tenant RLS, CI/CD pipelines.

From $2,000

10 days

Write me

Custom Project

AI integrations, legacy refactoring, API architecture, internal tools.

Let's talk

Discuss

Write me

Let's build something together

Available for new projects. Response within 4–8 hours.

github.com/VSanotskyiLviv, Ukraine 🇺🇦 · UTC+3