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App Backend & API Development · AI-First · Results-Driven

App Backends & APIs,Engineered For Scale

Short answer: App backend development builds the server side of a mobile app — the APIs, database, authentication, push notifications and business logic the app on the phone talks to. The frontend is only as good as the backend feeding it: slow or unreliable APIs make even a beautiful app feel broken. Good work means secure, well-documented endpoints that stay fast as users grow. Judge it on architecture and API design. We build app backends in-house, matched to the app consuming them.

App Backend and API Development

App backend development is the engineering of everything a mobile app relies on but doesn't run on the device: the server, database, user accounts, and the APIs that move data between them. When you open an app and it loads your profile, saves an order or sends a notification, that's the backend responding through an API. App backend development turns those needs into secure, scalable server infrastructure — typically REST or GraphQL APIs over a database — so the app has a reliable source of truth.

The core of the job is API design and data modeling. Endpoints should be consistent, versioned and documented so the app team can build against them without guessing; the database should be structured and indexed to stay fast as records multiply. Authentication, rate limiting and input validation protect user data, while push notifications and background jobs handle work off the device. Watch for chatty APIs that drain battery and data, and unversioned endpoints that break older app versions. Expect docs, tests and monitoring.

Because we build the app and its backend together, the API is designed around exactly what the screens need to fetch — no over- or under-fetching bolted on later. Security and observability are wired in from the first endpoint, not patched after launch.

Services

App Backend Development Services

Full-cycle app backend development services — from a first API to a scaled, cloud-native platform behind your app.

Custom backend development

Server-side systems built from scratch, with full ownership of the code.

API design & development

Well-structured REST and GraphQL APIs, documented and versioned for the long run.

Backend for an existing app

Add or rebuild the backend behind a mobile or web front-end that has outgrown its stack.

Cloud infrastructure & DevOps

Deployment, autoscaling, CI/CD and monitoring on AWS, Azure or GCP.

Backend modernization & migration

Replace legacy servers and databases with a secure, maintainable platform.

Support, monitoring & scaling

Care plans for uptime, performance, security patches and new endpoints.

Technology

Our Backend & API Stack

The exact toolset depends on your goals — these are the platforms we use most, and we work with whatever your team already relies on.

API Layer
RESTGraphQL (Apollo)gRPCtRPCOpenAPI/SwaggerWebSockets
Async & Messaging
Auth & Security
OAuth 2.0JWTAuth0Clerkrate limitingOWASP hardening

Chosen per project — not a fixed menu. Have a preferred tool or platform? We’ll work with it.

Built to last

Secure, Accessible & Built to Last

We build on modern, well-supported frameworks with security and accessibility baked in — dependency hygiene, input validation, HTTPS and WCAG-minded UI — so your product is safe and usable from day one.

You own all the code and assets. Everything ships with documentation and a clean handover, so your team (or ours) can maintain and extend it without lock-in.

Who we build for

Industries We Build For

20+ years across sectors — in Houston and internationally.

Transparent pricing

Estimate your project in seconds

Pick what you’re building for an indicative range, then request an exact quote. No email wall.

Estimate your project

1. What scope?

Start lean, then expand.

2. Integrations?

Connecting to your tools and data.

3. Add-ons

Pick any that apply.

Simple prices for typical tasks

  • App APIfrom $10k
  • Backend + authfrom $18k
  • Realtime / scalefrom $25k
  • Care planfrom $1k/mo

Proof

700+ projects, 20+ years

See the products and growth work we’ve shipped across industries — and request a case study relevant to yours.

See our work →

How we work

Fixed scope. Sprints. Working software.

  1. 01

    Scope & fixed estimate

    A short discovery call turns your idea into a clear spec and a firm range — free.

  2. 02

    Design & architecture

    UX, data model and stack chosen for your scale, not ours.

  3. 03

    Build in sprints

    Working software every 1–2 weeks — you see progress, not promises.

  4. 04

    Launch & scale

    We ship, measure and keep improving with care plans.

FAQ

App Backend & API Development questions

How much does app backend development cost?

A dedicated backend or API typically runs from about $9,000 for an MVP to $40,000+ for a complex, high-traffic system. Cost depends on the number of endpoints, integrations, authentication and scale — use the estimator above for an indicative range, then book a call for a firm quote.

What is an app backend?

An app backend is the server-side half of an application: the servers, database, APIs and business logic that store data, authenticate users and power every feature. Users never see it directly, but it is what makes login, payments, push notifications and real-time updates work.

What is the difference between a backend and an API?

The backend is the whole server-side system — servers, database and business logic. An API is the doorway into it: a defined set of endpoints your app, website or partners call to read and write data. We build both together so they fit cleanly.

How long does it take to build an app backend?

A backend MVP or first API set usually ships in 4–6 weeks; a fuller, integrated platform in 2–4 months. We work in 1–2 week sprints so you get working, testable endpoints early and often.

Can you build a backend for an app we already have?

Yes. We regularly add or rebuild the backend behind an existing mobile or web front-end — designing the APIs, database and auth it needs, then connecting it without disrupting your users.

What technologies do you use for backends?

We build with Node.js, Python and modern cloud databases such as PostgreSQL, MySQL, Supabase and MongoDB, exposing REST and GraphQL APIs — chosen for your scale and maintainability, not lock-in.

Can you build a backend that scales?

Yes. We build cloud-native backends on AWS, Azure and Google Cloud with autoscaling, caching and monitoring, so your API stays fast and reliable as traffic and data grow.

Do you build app backends for companies outside Houston?

Yes. We are based in Houston, TX and have delivered 700+ projects nationwide and internationally over 20+ years, working with local and fully remote teams alike.

Do you offer app backend development in Houston?

Yes. We are based at 9800 Richmond Ave in Houston (Westchase / Energy Corridor) and work with Houston businesses locally as well as clients across the US and worldwide.

Get started with app backend & api development

Book a free consultation — we’ll scope your build and give you an honest range.

Book a free consultation