Senior Next.js developer for production web apps
Based in Wroclaw, Poland · EU timezone · Available for new projects
I've been shipping Next.js in production since version 9. From SSR-heavy SaaS platforms to static marketing sites, I handle the full stack — frontend, API layer, deployment, and everything in between. You get one senior engineer, not a rotating team.
SaaS platforms with server components
Multi-tenant dashboards, admin panels, and customer-facing portals built on the App Router with React Server Components, streaming, and edge caching for sub-second load times.
Headless e-commerce storefronts
Custom Next.js frontends powered by Shopify, Medusa, or Saleor on the backend. Checkout flows, product filtering, and inventory sync — optimized for Core Web Vitals and conversion.
CMS-driven marketing sites
Fast, SEO-optimized websites backed by Sanity, Payload, or Contentful. ISR for instant content updates without full rebuilds. Blog, landing pages, and localization baked in.
Internal tools and back-office apps
Protected dashboards with role-based access, data tables, real-time updates, and integrations with your existing APIs. Built to be maintained by your team after handoff.
Migration from legacy frameworks
Incremental migration from Create React App, Gatsby, or custom Webpack setups to Next.js App Router. No big-bang rewrite — I move routes one at a time with zero downtime.
App Router & Server Components
I build with the App Router as the default. Server Components for data fetching, Client Components only where interactivity demands it. Proper use of Suspense boundaries, streaming, and parallel data loading.
Rendering strategies (SSR / SSG / ISR)
I pick the rendering strategy per route based on data freshness needs. Static generation for marketing pages, ISR for product catalogs, full SSR for personalized dashboards. No one-size-fits-all.
API Routes & server actions
Backend logic that lives alongside the frontend. Form handling with server actions, webhook endpoints, third-party API proxies, and authentication flows — all type-safe with TypeScript.
Edge Runtime & middleware
Request-level logic at the CDN edge: geolocation redirects, A/B testing, authentication checks, and rate limiting. I use Vercel Edge Middleware and Cloudflare Workers depending on the deployment target.
Performance & Core Web Vitals
Lighthouse 95+ is the baseline, not the goal. Code splitting, image optimization with next/image, font loading strategies, and bundle analysis are part of every build. I monitor real-user metrics, not just lab scores.
Deployment & CI/CD
Production deployments on Vercel, Cloudflare Pages, or custom Docker setups. Preview deployments per PR, environment variable management, and GitHub Actions pipelines for testing and release.
Architecture review
I audit your existing codebase or design the architecture from scratch. We align on rendering strategy, data layer, auth, and deployment target before writing a line of code.
Build in sprints
Two-week sprints with a working demo at the end of each. You see real progress, give feedback on the actual product, and we adjust scope together. No surprises at the deadline.
Ship & hand off
Production deployment with CI/CD, monitoring, and documentation. Your team gets a clean codebase they can maintain and extend. I'm available for follow-up support if needed.
Next.js is a framework built on top of React. A React developer builds UI components; a Next.js developer handles the full picture — server rendering, routing, API layer, caching, deployment. If you need a production-ready web app (not just a frontend), you need Next.js expertise specifically.
Yes. About half my projects are greenfield and half are joining existing teams or taking over codebases. I can audit an existing Next.js app, migrate it from Pages Router to App Router, fix performance issues, or add new features alongside your team.
I build with the latest stable release (currently Next.js 15 with the App Router). For existing projects on older versions, I can work within the current setup or help you migrate incrementally.
Yes — that's the point of Next.js. I build the UI, the API routes, the database layer, authentication, and deployment. For complex backends, I pair Next.js with NestJS. You get one person covering the full stack.
Vercel is my default for Next.js — it's purpose-built for the framework. I also deploy to Cloudflare Pages, AWS (via Docker), and self-hosted setups when the project requires it. Every project gets preview deployments and a CI/CD pipeline.
I work on a daily or monthly rate depending on the engagement type. Book a free 30-minute call and I'll give you an honest estimate based on your project scope. No surprise invoices.
Ready to hire a senior Next.js developer?
Book a free 30-minute technical call. I'll review your requirements and tell you honestly if I'm the right fit.