Dmytro S.

👋 Hey, I’m Dmytro – Senior React | Next.js | NodeJS Developer 4+ years delivering production web apps, from MVPs to high-traffic SaaS and marketplace platforms. I write clean, fully-typed code, hit deadlines, and care about business impact – not just lines of code. 💡 What I Bring * Blazing-fast front-ends: React 18, Next 14 (App Router, server/edge), Zustand / Redux Toolkit, Tailwind, shadcn/ui, React Query * Full-stack muscle: Node.js (Express / Nest), PostgreSQL / MySQL / MongoDB, Prisma, tRPC, REST, GraphQL * Payments made easy: Stripe, PayPal – subscriptions, split-payments, webhooks * Cloud & DevOps: AWS (ECS / Fargate, Lambda, S3, CloudFront, RDS), Docker, GitHub Actions CI/CD * Code quality first: TypeScript everywhere, Vitest / Jest / Playwright, ESLint + Prettier, Husky, Storybook * Team player: Jira / ClickUp, Scrum / Kanban, clear async updates, English B2 💡 Impact Highlights (Marketplace Case) * Checkout bottlenecks removed with SSR + lazy loading – double-digit jump in completed payments * AWS migration on Fargate & Aurora Serverless – thousands of concurrent users with \~⅓ lower off-peak costs * Stripe Connect & PayPal Payouts fully automated – vendor payments now run themselves, manual ops ≈ zero Need a developer who delivers real ROI, not just code? Feel free to send an invite if the skill set fits – happy to discuss the fastest route to release.