TEOS IT
Services

From idea to the App Store — and everything in between.

Hire us for a full product, a single piece of it, or as an extension of your team. Mobile is our core; web, backend, AI and design are how we make it whole.

01 · Core service

Mobile apps

One React Native codebase, two native-feeling apps. We take care of the parts that usually slow teams down: payments, push notifications, offline mode, store review and release.

  • iOS + Android with React Native and Expo
  • App Store and Google Play release, TestFlight builds
  • Payments, subscriptions and in-app purchases
  • Code review, testing and rescue of existing apps
React Native · Expo · Flutter · Ionic · TypeScript · Reanimated
02

Web development

Marketing sites, web apps and SaaS platforms that load fast and rank well — in as many languages as your market needs.

  • Next.js websites and web applications
  • Admin panels and dashboards
  • Multilingual sites and SEO basics
Next.js · React · Vue.js · Svelte · Tailwind CSS · Vercel
03

Backend & APIs

The part users never see but always feel. We design data models, auth and APIs that stay fast and secure as you grow.

  • REST APIs and serverless functions
  • Supabase: Auth, Row Level Security, Postgres
  • Integrations: payments, email, maps, third-party APIs
Node.js · NestJS · Supabase · Firebase · PostgreSQL · MongoDB · Docker
04

AI development

AI that does a real job inside your product. We start with the problem, pick the right model, and measure whether it actually helps.

  • Assistants and chat inside your app
  • Document search over your own data (RAG)
  • Automations and AI agents for internal work
OpenAI · Anthropic Claude · pgvector
05

UI/UX design

Clear flows first, polish second. Designed by people who also build — so what you approve is what ships.

  • User flows and clickable prototypes
  • App and web interface design
  • Design systems in Figma
Figma · Prototyping · Design systems
06

Outsourcing

Need more hands on an existing product? Our engineers join your team, your tools and your sprint rhythm — in your time zone or close to it.

  • Senior React Native and web engineers
  • Team lead and mentoring for junior developers
  • Monthly engagement, cancel with notice
CET · English · Scrum · Jira · GitHub · Slack · Microsoft Teams
Ways to work together

Pick the model that fits.

Fixed-scope project

A clear scope, timeline and price. Best for an MVP or a new app.

From €10,000

Dedicated team

Engineers working on your product every month. Best for ongoing development.

From €35 / hour

Consulting & audit

Code review, architecture advice or a rescue plan for an app that’s stuck.

€45 / hour

Common questions

Not sure which one you need?

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