If two or more of these sound familiar, the interface is costing you users or velocity.
Support tickets and reviews mention lag, spinners and pages that jump around while loading.
Nobody trusts the UI without checking each page by hand before a deploy.
Spacing, fonts and states are off again because there's no single source of components.
The layout works on a desktop monitor but breaks or crawls on a mid-range phone.
Engineers spend more time deciphering old code than writing new code.
An outdated React version, a jQuery layer or a deprecated build tool blocks every upgrade.
Dashboards, portals and SaaS products in React and Next.js, built around real user flows.
Reusable, documented components that keep your product consistent and speed up every new screen.
We profile load and interaction speed, cut bundle size and fix Core Web Vitals issues.
Semantic markup, keyboard navigation and screen reader support, built to WCAG guidelines.
We move JavaScript codebases to TypeScript file by file, without freezing feature work.
Moves from class components, older React versions or legacy stacks to a current setup.
Typed data layers, caching and error handling between your interface and your backend.
Component and end-to-end tests that catch UI regressions before your users do.
Every interface we hand over is checked on four fronts, not only on how it looks.
Code splitting and lazy loading
Optimized images and fonts
Server rendering where it helps load time and SEO
Core Web Vitals tracked after release
Semantic HTML and a correct heading order
Full keyboard navigation
Screen reader labels and visible focus states
Color contrast checked in the design system
Shared tokens for color, type and spacing
Documented components with all their states
A close match with approved designs
Strict TypeScript types
Component and end-to-end tests
Error tracking in production
Automated checks on every pull request
We pick tools your own team can maintain long after the project ends.
React
Next.js
TypeScript
JavaScript
HTML5
Redux
Node.js
GitHub Actions
CircleCIYou need an interface that looks credible to users and investors and can grow past the MVP.
Your backend team is strong, but the front end needs dedicated engineers and a design system.
Your clients log in to book, order or pay, and the experience hasn't kept up with them.
You own the design and the client relationship. We turn your designs into production front ends.
From approved designs to a working React app.
Profiling and fixes for load and interaction speed.
One component library for every product and team.
An audit and fixes for keyboard and screen reader use.
TypeScript, current React and a clean build setup.
Engineers who join your team and your backlog.
We look at your designs, current code, analytics and the APIs the interface depends on.
We agree on architecture, component structure, state management and what to build first.
Core components and design tokens come first, so every screen after them is faster to build.
Screens and flows ship in sprints, with demos, code review and tests on every pull request.
We release, watch real-user performance and errors, and fix what the data shows.
2 weeks to review code, designs and priorities
Fixed price. Ends with a plan and an estimate.
For teams with an existing front end that needs a clear plan before more work.
Code and architecture review
Performance and accessibility findings
Prioritized list of fixes
Component and migration plan
Estimate for the next phase
React engineers in your team or as a managed team
Monthly, per engineer. Scale up or down.
For products with a roadmap that needs steady front end delivery.
Engineers matched to your stack
You interview and pick the people
Work in your sprints and tools
Design system and testing included
Start in about two weeks
We're a TypeScript development company that treats the interface as part of the product's engineering. Designers, front end and back end engineers work in one team, so what you approve in design is what ships.
Front end engineers can start in about two weeks.
UI/UX designers and front end engineers work from the same components.
70+ products launched, 98% of them delivered on time.
Backend, QA and project management from the same partner when you need them.
Average partnership with SMBs and product companies is 5+ years.
We measure speed before and after our changes, not only at the end.
Handled in shared components, not patched in before launch.
Typed, tested and documented so your team can take it over.
If a rewrite isn't worth it, we say so and propose a gradual path.
Our engineers in Europe overlap with part of the US working day.
No sales pitch
Tell us about your interface
Share a link, your designs or the stack you use. We'll come back with how we'd approach it and an estimate. If we're not the right fit, we'll say so.
By subscribing you agree to receive emails from Gilzor. You can unsubscribe at any time. Privacy Policy.
