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Kultrix design system engineers build and scale the component libraries that allow product teams to ship faster without inconsistency creeping in.
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Senior Engineers Only
7+ Years Experience
NDA
EXPERTISE
WHAT WE DO
We design a multi-tier token system, primitive, semantic, and component tokens, that maps Figma Variables to CSS custom properties and JavaScript theme objects, creating a single source of truth across platforms.
We build a production-ready React component library on top of accessible primitives from Radix UI or Ariakit, with full TypeScript prop types, variant APIs, and Storybook documentation for every component.
We structure Figma libraries to mirror the code component API, matching variant names, prop names, and slot structures, so designers and developers share the same mental model and handoff friction disappears.
We configure Chromatic in your CI pipeline to catch unintended visual changes across every component on every PR, making it safe to evolve the design system without fear of regressions reaching production.
We implement semantic token layers that enable dark mode, high-contrast mode, and white-label theming through a single token swap, without conditional logic scattered throughout component code.
We migrate existing ad-hoc component code to the new system incrementally, write codemods to automate repetitive refactors, and run workshops with product teams to accelerate adoption and reduce parallel systems.
WHO THIS IS FOR
Whether you are a startup or enterprise, we have the right engagement for you.
Fast-track your MVP with senior talent. Launch on time and within budget.
Improve performance, UX, and features of your existing product with expert help.
Augment your team with senior specialists to accelerate feature delivery.
OUR APPROACH
Choose the cooperation format that best fits your business goals and development velocity.
Fast launch to test your idea and gather user feedback with minimal investment.
What's included
Timeline Typically 9-16 weeks
Complete cycle from initial strategy and design to final launch.
What's included
Timeline Typically 20-40 weeks
Scale your team with expert developers to accelerate development.
What's included
Timeline Flexible / Long-term
OUR HIRING PROCESS
Tell us about your project goals, timeline, and team needs. We'll set up a free consultation to dive deeper into your requirements.
Based on your project, we recommend the ideal team structure, engagement model, and technology approach - tailored to your goals and budget.
We handpick the best-fit professionals from our senior talent pool. You'll meet them, review their experience, and give the green light.
Your team onboards within 48 hours. We align on workflows, set up communication, and start delivering results from week one.
As your project evolves, we scale your team, add new specialists, or adjust scope - all within your existing partnership.
INDUSTRIES
Our DS Engineer professionals build solutions across various sectors.
Data-driven commerce solutions that improve journeys, boost sales, and optimize operations.
Data-driven commerce solutions that improve journeys, increase sales, and optimize operations.
Reliable medical platforms that protect patient data, simplify workflows, and support clinical accuracy.
Product-driven platforms that enhance workflows, automate processes, and scale with your business.
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Expert professionals ready to join your team and deliver results.
CASE STUDIES
Testimonials
What impressed us most was how Kultrix handled the full stack - frontend, backend, and mobile - with one cohesive team. Communication was clear, delivery was predictable, and the final product exceeded what we initially scoped.
Co-CEO
Kultrix built both our web platform and mobile app from scratch. Their team understood the complexity of our industrial workflows and translated them into clean, intuitive interfaces. We launched on time and our operators adopted the tools immediately.
Co-CEO
Kultrix handled everything for us - landing page, dashboard, mobile app, and even a Chrome extension. Having one team own the entire product surface meant everything felt connected and consistent. They shipped fast and the quality speaks for itself.
CEO, Ping Proxies
Kultrix has been our go-to partner for multiple projects - from marketing websites to full mobile applications and backend systems. They scale up when we need speed and maintain consistency across every project. Reliable, fast, and technically strong.
CEO, Volume Apps
Working with Kultrix on our mobile app and backend was seamless. They brought strong product thinking to every sprint, not just code. When priorities shifted, they adapted quickly without losing momentum. Exactly the kind of partner a product team needs.
Product Lead, Pelago
We needed a team that could handle mobile development, server infrastructure, and AI features all at once. Kultrix delivered on all three fronts. Our fitness platform went from concept to production in under four months with zero compromises on quality.
CEO, Fitblast
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FAQ
A design system engineer is a specialist who builds and maintains the shared component library and design token infrastructure that product teams use to build consistent interfaces at scale. Unlike a general frontend developer who builds features, a design system engineer focuses on the foundation - the components, tokens, documentation, and tooling that make every other developer faster and more consistent. Kultrix design system engineers work across Figma, code, and CI tooling.
Most engagements begin within 48 hours of contract signing. The first activity is an audit of your existing component landscape and Figma libraries to understand the current state before building anything new. Structured work begins in week two.
Both. For greenfield projects we architect the token system, choose the right primitive library, and build the full component set. For existing systems we conduct an audit, identify structural problems, and propose an incremental migration path that lets the system evolve without halting product development.
Our preferred foundation for accessibility and composability is Radix UI or Ariakit, which provide unstyled, accessible primitives that we style with your design tokens. For teams already using shadcn/ui or Headless UI we extend those foundations. We avoid building from scratch when a maintained accessibility-first primitive library covers the requirement.
We define tokens as platform-agnostic JSON using Style Dictionary, then transform them into CSS custom properties for web, JavaScript theme objects for React Native, and Swift/Kotlin constants for native mobile. This ensures a single colour or spacing change in the token file propagates to all platforms without manual updates.
We structure Figma component names, variant names, and property names to match the TypeScript component API exactly. Token values in Figma Variables are exported via Token Studio or the Figma REST API and fed into Style Dictionary. We also write contribution guidelines that specify how to add or modify a component in both Figma and code simultaneously.
Chromatic is a visual testing service built by the Storybook team. It captures screenshots of every Storybook story on every PR and compares them against baselines, flagging visual regressions for review before they merge. It also provides a UI review workflow for designers to approve changes directly. Kultrix engineers configure Chromatic in CI as standard on all design system engagements.
We follow semantic versioning strictly, document every breaking change in a changelog, and provide migration guides for major version upgrades. For large codebases with many consumers, we write automated codemods using jscodeshift or AST transforms to handle repetitive migration patterns, minimising the manual work needed to adopt new component APIs.
Yes. Knowledge transfer is built into every design system engagement. We write contribution guidelines, run workshops on the token architecture and component patterns, and document decision rationale so your team understands why the system is structured the way it is - not just how to use it.
Yes. Multi-brand theming is one of the primary reasons to invest in a token architecture. We design the semantic token layer to be brand-agnostic at the component level, with brand-specific token files that override primitive values. Switching themes becomes a single token file swap with zero changes to component code.
All Kultrix design system engineers are senior level with a minimum of five years of frontend engineering experience, including at least two years working specifically on design systems or component libraries in production. Every engineer is assessed on token architecture, accessibility, and Storybook proficiency before joining our bench.
Design systems require a rare combination of engineering rigour, design literacy, and documentation discipline. Kultrix design system engineers are vetted specifically for this combination - not just general frontend developers. We manage quality, handle replacements if a fit is not working, and provide a dedicated account manager throughout the engagement.
