Smerdoff
Smerdoff Technologies / React

React Development Company for Custom Web Apps

React powers most of the web apps we're asked to build or take over — but a framework choice doesn't guarantee a good app. We build production React with TypeScript by default, a component structure your team can actually extend, and a delivery process that doesn't stall six months in.

ReactTypeScriptNext.jsSPAComponent Libraries
10–30%
of a full build is what a lean first version costs on a modern stack — validate before you scale
MVP cost research
~3×
higher conversion for a 1-second site vs a 5-second one — the stack you build on decides this
Web design research

Why teams choose a dedicated React team over a generalist agency

React is easy to start and easy to get wrong at scale. A dedicated team catches the mistakes that only show up after launch.

TypeScript by default

Every project ships typed — fewer runtime bugs, safer refactors, and a codebase new engineers can onboard into quickly.

Component architecture that scales

State management, folder structure, and component boundaries planned for the app you'll have in a year, not just the MVP.

Next.js when SEO or performance matters

We know when plain React (CSR) is enough and when SSR/SSG earns its complexity — no framework used for its own sake.

Legacy React and jQuery rescue

We take over undocumented codebases, outdated class components, and untyped JavaScript without a full rewrite unless one is genuinely cheaper.

Senior engineers, not a junior bench

The people writing your components are the people who scoped the architecture — no handoff gap between sales and delivery.

Built to hand off

Documentation, component storybook, and clean commit history so your in-house team (or the next vendor) isn't stuck reverse-engineering decisions.

What a React engagement typically includes

Scoped to what your product needs — not a fixed package of features you'll pay for and never use.

SPA & dashboard builds

Single-page apps, internal tools, and admin dashboards with complex state and data grids.

Next.js migrations

Moving an existing React app to Next.js for SSR, SEO, or better routing without a ground-up rewrite.

Component library development

Reusable, documented component systems shared across multiple products or teams.

Performance audits

Bundle size, render performance, and Core Web Vitals fixes for apps that have slowed down over time.

API & backend integration

Connecting React frontends to REST, GraphQL, or your existing backend without leaking business logic into components.

Staff augmentation

Senior React engineers embedded in your existing team for a defined engagement or ongoing capacity.

FAQ

It depends heavily on scope — a focused internal tool or dashboard starts lower than a customer-facing product with complex state and integrations. We give a fixed estimate after a short scoping call rather than a generic range.

If SEO, server rendering, or fast first-load matter — Next.js. If you're building an authenticated internal tool or dashboard where none of that matters, plain React with a build tool like Vite is simpler and just as valid.

Yes. Most clients move to a lighter ongoing arrangement after initial launch — bug fixes, dependency updates, and small feature work — rather than a full team retainer.

Yes. We usually migrate incrementally — new sections in React first, old sections replaced as budget allows — rather than a risky big-bang rewrite, unless the codebase is small enough that a full rewrite is genuinely faster.

Both. Some clients want a full team to own delivery end to end; others want one or two senior engineers embedded in their existing team. We scope the engagement around which one fits.

Related

Get a free estimate for your React project

Tell us what you're building or what's slowing down your current React app — we'll scope an approach and a fixed estimate.