Architecture of complex systems.   20+ years of experience. AI speed. Senior reliability.

We solve complex integrations where others stop.
We know how systems fail, so we build them to last.

We make systems work

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Why building your own solution makes sense?

If you recognize at least one of these situations, off-the-shelf tools are likely already holding you back

Off-the-shelf tools don’t fit your business

Standard tools, SaaS solutions and off-the-shelf modules no longer reflect how your business actually operates.

Business specific processes

Your business doesn’t fit into a “default” workflow. Every attempt to adapt off the shelf software turns into a workaround, added cost and lost time.

Systems are not properly integrated

ERP, webshop, warehouse and marketing systems lack proper integration, leading to inconsistent data and manual synchronization.

Growth creates challenges

As users, orders and business rules grow, performance and stability begin to suffer.

Dependent on vendors

You can’t change direction without waiting for someone else’s product roadmap and vendors often lack the expertise or resources to adapt their software beyond predefined limits.

Control is not in your hands

You don’t fully control critical parts of your software. Decisions about features, priorities and timelines are driven by vendors - not by your business goals.

Guarantee: No Vendor Lock-in

Fear of lock-in is justified. That is why we design all our systems with a connector/adapter architecture. Your business logic and data remain completely yours, decoupled from third-party systems (ERP, POS, payments). If you decide to switch vendors in the future, you don't have to rewrite the entire application – you only swap the adapter.

Our approach

Focus on complex systems

Focus on complex systems

InSyBo is a small, highly specialized engineering team focused on complex systems, precise integrations and solutions that require experience and accountability.

Stabilna rješenja koja traju

Long term stable solutions

We work where standard approaches are no longer sufficient, applying clear analysis and technical depth to ensure solutions remain stable and sustainable long-term.

Real business value

Real business value

No problem is too small if solving it delivers real business value. Precision over volume.

Our Formula: AI Speed + Senior Reliability

AI Speed

We leverage advanced AI workflows to rapidly generate designs, boilerplate code, and technical blueprints. This enables us to deliver functional prototypes and early versions 2 to 3 times faster than traditional software consultancies.

Senior Reliability

Speed is worthless if systems break under load or carry security vulnerabilities. Every line of code and architectural decision is verified by our senior team with 20+ years of experience. AI writes, senior engineers guarantee stability.

What we do

We specialize in end to end systems, without vendor lock-in

UI/UX Design & Rapid Prototyping

We merge aesthetic excellence with technical feasibility. Leveraging modern AI-assisted design workflows, we deliver premium visual interfaces and interactive prototypes early in the product lifecycle.

UI/UX
Prototypes
PWA / Web

System Architecture & Integration

We untangle integration complexity. We design robust connector/adapter layers (Anti-Corruption Layers) and real-time synchronization pipelines (ERP, POS, webshops, payment gateways) without vendor lock-in.

ETL
API Contracts
Real-time Sync

Agentic AI & Process Automation

We build intelligent AI agents and business process automation (BPA) workflows. We integrate LLMs for guided product discovery (virtual assistants), Vision AI for document parsing, and custom helpdesk/ticketing systems with automated AI summaries and risk detection.

AI Agents
LLM Integration
Vision OCR

Technical Analysis & Blueprints

Along with high-performance code, we deliver complete technical blueprints: detailed functional specifications, canonical data models, data flowcharts, and development roadmaps.

Functional Specs
Data Modeling
Roadmaps

Start Risk-Free: Technical Blueprint

Instead of expensive, high-risk development commitments up front, we offer a fast and highly valuable blueprint phase.

1. UI/UX Prototype

We build a clickable, premium interactive prototype of your future application. You see how it works and looks before any backend code is written.

2. Architecture & Data Model

We design full databases, specify integration API contracts with your existing ERP/POS systems, and map complete data flows. You get a clean technical blueprint.

3. Estimate & Roadmap

We deliver a structured release plan (MVP and post-launch phases) along with precise estimates of time and cost. No hidden surprises.

*The output of this phase is your complete technical specification – use it to develop with us, present to investors, or perform internal analysis.

Request a Blueprint Package

Professionalism means taking responsibility for the
quality of the software we ship.

Robert C. Martin
Clean Code · Clean Architecture

Technologies

.NET
MS SQL
PostgreSQL
Docker
Tailwind CSS
DaisyUI
Bootstrap
HTMX
REST
JWT
OAuth 2.0
System integrations
ETL
CI/CD
ERP class systems

Why clients stay with us

  • 1 Focus on stability and fast delivery.
  • 2 Clean code, clear ownership, and communication with no surprises.
  • 3 Long-term sustainable architectures, without lock-in.
Years of experience
20+
in enterprise projects
End users
1M+
use our solutions
SLA availability
99.9%
measurable and verifiable

Get in touch

Custom Software Development Company in Europe

Planning a new system or need help with an existing one? Whether you are building an advanced solution (CRM, PWA, integrations) from scratch or need an independent architectural review – we are here to help.

COMPANY NAME

InSyBo d.o.o.

REGISTERED OFFICE

10000 Zagreb, Hrvatska
Bosanska 58

REGISTRATION DETAILS

MBS: 081536927

OIB: 99932669234

SHARE CAPITAL

The company’s share capital amounts to
EUR 2,500.00 / HRK 18,836.25
(fixed conversion rate 7.53450)
fully paid in.

BUSINESS BANK

Erste&Steiermärkische Bank d.d. – Rijeka
IBAN: HR1224020061101186589