Skip to content
KYKS
Tech studio

Webuilddigitalproductsthatperform.

KYKS partners with startups and enterprises on the design, development and scaling of their platforms — with an uncompromising focus on quality and performance.

Start a projectSee our work
Collaborations

We've worked with

Demanding tech teams, on modern stacks and real problems.

  • Boulanger

    2024 - Aujourd'hui

    Tech engagement — frontend architecture & BFF

    Major overhaul of the web architecture for one of France's largest e-commerce sites: micro-frontend split, mono-repo, BFF, and performance optimizations.

    • Full architecture overhaul to micro-frontends, decoupling teams and accelerating deployments
    • Mono-repo setup with Turborepo to unify cross-team development
    • Backend for Frontend (BFF) development and optimization with Fastify
    • Migration and integration into CAAS (Container as a Service) infrastructure
    • Frontend performance optimizations: lazy loading, code splitting, bundle size reduction
    • Unified tooling with Biome (lint + format) and Vite for frontend builds
    • Qwik integration to improve Core Web Vitals and accessibility

  • Reconomia

    2024

    Tech engagement — mobile & platform

    React Native apps for refurbishers and field repair teams, plus an admin platform.

    • React Native apps for refurbishers (product browsing, validation, reporting)
    • Admin platform for content management
    • API integration and real-time data sync
    • Deployment on Zebra professional devices for field repair teams
Projects

What we've shipped

Products designed, built and maintained — e-commerce, SaaS, marketing sites, mobile apps.

  • Profin

    Profin

    2026

    Business-referral & ESN matching SaaS

    Platform for business referral and profile matching — mission and candidate centralization, relevance scoring, secure profile sharing between tech consultancies and companies.

    • React
    • TypeScript
    • Node.js
    • Fastify
    • PostgreSQL
    • Railway
    • PostHog
    • Sentry
    • Next.js
    Voir le projet
  • Coutellerie Passion

    Coutellerie Passion

    2024

    Artisan knife e-commerce

    Full-featured online store with Strapi headless CMS for autonomous content and product management, and Stripe payments.

    • Next.js
    • Strapi
    • Stripe
    • TypeScript
    • Vercel
    Voir le projet
  • Eco-Den

    Eco-Den

    2024

    Digital showcase for trade shows

    Showcase site that digitizes the client's presence at trade shows — shareable product catalog with prospects and lead generation.

    • Next.js
    • TypeScript
    • Tailwind
    Voir le projet
Positioning

Tech partner, not a vendor.

We tackle complex problems fast, with a strong bar on quality, performance and scalability. No jargon, no over-engineering — code that holds up, products that run.

Contact

Let's talk about your project.

Short-term need, product to build, team to support — we reply within 24h.

hello@kyks.io