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Custom Webapps

Webapps that simplify your business process

From booking systems to client portals. We build custom web applications that perfectly match your specific needs.

Custom Development

Tailor-made web applications that fit perfectly into your process

Database Integration

Connection with your existing systems and databases

Real-time Features

Live updates and interactive functionalities

Cloud-based

Accessible anytime, anywhere, securely in the cloud

What Can We Build?

Examples of web applications we develop

Booking Systems

Appointment and reservation systems for service providers

Agenda management
Online booking
Payments
Email notifications

Client Portals

Private client environments with personal data

Login & authentication
Dashboard
Document management
Communication

E-commerce

Webshops and online sales platforms

Product catalog
Shopping cart
Checkout flow
Order management

Dashboards

Data visualization and business intelligence tools

Real-time data
Analytics
Reporting
KPI tracking

Our Tech Stack

Modern technologies for reliable and scalable webapps

Frontend

  • React 19
  • Next.js 16
  • TypeScript
  • Tailwind CSS

Backend

  • Node.js
  • PostgreSQL
  • Prisma ORM
  • REST API

Infrastructure

  • Vercel
  • AWS
  • Docker
  • CI/CD Pipeline

Features

  • Authentication
  • Real-time Updates
  • Email Service
  • Payment Gateway

Development Process

How we bring your webapp to life

01

Discovery & Planning

We start with a comprehensive analysis of your business process, wishes, and goals. Together we define the exact requirements and scope.

02

Design & Prototyping

We create wireframes and interactive prototypes. This way you can see exactly how the webapp will look and work before we start building.

03

Development

Our developers build your webapp with modern tech. We work in sprints with regular demos so you can track the process.

04

Testing & Launch

Extensive testing of all functionalities. User acceptance testing and then the launch with training for your team.

05

Support & Iteration

Continuous support and further development. We continue to improve your webapp based on user feedback and new requirements.

Development Packages

From MVP to enterprise solution

MVP Launch

Quickly live with a Minimum Viable Product

€2.500+
Ideal for: Startups & validation
  • 2-4 weeks development
  • 3-5 core features
  • Basic design system
  • Mobile responsive
  • User authentication
  • Database setup
  • 1 month support
Most Chosen

Professional

Complete webapp with all necessary features

€5.000+
Ideal for: Scale-ups & SMEs
  • 6-8 weeks development
  • 10-15 features
  • Custom design
  • Advanced functionalities
  • API integrations
  • Admin dashboard
  • Testing & QA
  • 3 months support
  • Training sessions

Enterprise

Complex system for large organizations

Custom
Ideal for: Enterprises
  • 12+ weeks development
  • Unlimited features
  • Enterprise architecture
  • Multi-user roles
  • Advanced security
  • System integrations
  • Dedicated team
  • 6 months support
  • SLA guarantees
  • White-label option

Why Syntarie?

More than just writing code

Fully custom, no templates
Scalable & future-proof
Owner of all code & data
Modern tech stack
Comprehensive documentation
Training for your team

Have An Idea?

Let's see together how we can digitize your business process with a custom webapp.