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Web apps & APIs

Web applications & APIs

End-to-end web products: design, build, auth, data, and a live API — not a brochure site.

Web apps & APIs

End-to-end web products: design, build, auth, data, and a live API — not a brochure site.

What you get

  • Live application
  • Auth
  • API docs

Tools we use

  • Next.js
  • React
  • Node
  • FastAPI
  • Django

Good fit if

  • You need a product and an API, not a brochure site.

How we build it

  1. 01

    Brief

    You tell us what has to exist at handover, and on which surface: web, mobile, agents, IoT, or VLSI.

  2. 02

    Scope

    We reply within one business day. Scope, timeline, and cost are written down before a line ships.

  3. 03

    Build

    The same two engineers stay on the work. We do not hand you to another firm halfway through.

  4. 04

    Handover

    You leave with the system, the source, and a runbook. You own what we built.

Questions

Do I need to choose the framework?
No. Tell us what has to exist at handover. We pick tools that fit the product.
Who hosts it?
You do. We can stand up the first environment. Credentials stay in your name.
THIS SESSION — CORE WEB VITALS
TTFB—
LCP—
INPInteract to measure
CLS—

LCP, INP and CLS update as you interact with the page.

These are your numbers, on this page, right now. We measure our own site the same way we measure yours.

Now booking new product builds

Tell us what you want built.

We’ll reply with a plan and a first date. hello@zenxelligence.com