React engineering for interfaces that are getting harder to use and maintain.
We build React interfaces and help teams improve slow screens, inconsistent components, and frontend code that is hard to change.
Problems we can help with
React apps, SaaS dashboards, component systems, and modernization projects.
Core user flows, page speed, rendering quality, and design consistency.
Shared components and tests for screens your team keeps building and changing.
When to bring in our React.js team
These are some of the problems we can help your team work through.
Inconsistent product UI
Inconsistent components make features harder to build and leave testers checking the same problems across screens.
Slow key user journeys
We profile the actual flows that matter, then improve rendering, data fetching, and Core Web Vitals.
Mixed frontend stack
We create a migration path that reduces frontend confusion without requiring a risky full rewrite.
No usable design system
We define design tokens, component patterns, and Storybook workflows that make product work more consistent.
SEO and SSR gaps
We help teams use Next.js, server rendering, routing, and caching where they make business sense.
Frontend team overload
Senior React engineers can lead agreed frontend work and share the decisions and techniques with your team.
How we can help with React.js
We can work on a specific problem or help your team carry a larger piece of the engineering work.
New React product frontends
We build React interfaces with a clear component structure, state management, tests, and automated deployment.
React rescue and modernization
We review an existing React app, simplify difficult components and state, improve tests, and plan changes in steps.
Performance and Core Web Vitals
We investigate bundle size, rendering, data fetching, and usability in the flows customers need to complete.
Design systems and component libraries
We help teams share design tokens, reusable components, and accessibility patterns, with Storybook examples they can work from.
Next.js and SSR implementation
We work on Next.js routing, server rendering, caching, SEO, and social previews for public React pages.
Embedded React team
Senior frontend engineers work alongside your team, lead agreed projects, review critical changes, and help engineers learn the patterns.
How we plan the first 90 days
We agree what needs attention first, then work through the changes with your team.
Assess the frontend and journeys
Review architecture, components, state management, API usage, performance, and UX friction.
Agree on a 90-day frontend plan
Agree which customer flows, performance problems, and component changes need attention first.
Stabilize critical UI paths
Fix the regressions, inconsistent patterns, and missing coverage around screens customers use most.
Optimize speed and developer experience
Reduce bundle weight, simplify rendering patterns, improve tests, and make frontend delivery easier.
Share the changes with your team
Document UI patterns and work through key changes with designers and engineers.
Work with the system you already have
We review the code and tools already in use before recommending changes.
- React 17 and 18, modern JavaScript, and TypeScript
- Next.js, Vite, React Query, Redux Toolkit, Zustand, and API-driven frontends
- Storybook, design tokens, CSS Modules, Tailwind, MUI, Chakra UI, and custom systems
- Jest, React Testing Library, Cypress, Playwright, and visual regression workflows
- Frontend observability, error tracking, performance monitoring, and session replay
How we approach the work
The Discourse case below shows how we handle URLs, user access, and forum history when a customer-facing system changes.
Moving Konnected’s support forum to Discourse
React.js resources from RocketApex
Use the guide and articles to take a closer look at your own application.
Free guide: 10 practical ways to improve your React frontend
Use the guide to review performance, shared components, tests, and the way your team builds React screens.
Articles and insights
React.js questions we hear often
Do you only work with the latest version of React?
No. We work with modern React, class components, mixed stacks, and incremental migration paths.
Can you modernize an existing React app instead of rebuilding it?
Yes. We usually stabilize, simplify, and modernize key areas before recommending any major rewrite.
Can you work with our design team?
Yes. We can work from an existing design system or help create one when the current UI patterns are fragmented.
Do you help with React performance?
Yes. We profile real user journeys, bundle size, data fetching, rendering behavior, and Core Web Vitals.
How do React engagements usually start?
We usually begin by reviewing the frontend and key user flows, then agree on the work and timeline.
Are slow screens or inconsistent components holding up your React team?
Tell us which screens or customer flows need attention and what your team has tried. We can discuss how to help.