Skip to main content
Build · Engineering systems from scratch

Custom Software Development

Purpose-built systems engineered to your exact business domain.

60+Custom systems delivered
99.9%Avg. uptime SLA
4–10 moTypical delivery
Typical budget€60K–€250K
Duration4–10 months

High-integrity custom software engineered from scratch to solve your unique business bottlenecks, satisfy regulatory compliance, and support complex third-party integrations. We design and build resilient, clean-code architectures that handle millions of transactions, survive staff turnover, and scale without requiring a complete rewrite in year three.

The Challenge

What breaks without this

Rigid off-the-shelf software or legacy monoliths that fail to adapt to your operational workflows, forcing expensive manual workarounds, eroding margins, and blocking business agility and growth.

  • Off-the-shelf tools require expensive workarounds and don't fit your actual workflow

  • Legacy monoliths accumulate tech debt — adding features takes months, not days

  • Third-party integrations (SAP, Salesforce, ERP) constantly break without a proper adapter layer

  • Vendor lock-in means you're held hostage on price, roadmap, and data access

Our Approach

How we deliver this

01

Domain discovery & scoping

A senior engineer (not a sales rep) spends the first week with your team mapping real workflows, edge cases, and constraints. You receive a written technical assessment even if we don't engage.

02

Architecture & decision records

We write the architecture, the alternatives we rejected, and why — creating ADRs directly in the repository. You approve choices that will shape the next two years before any code ships.

03

Two-week sprints, deployed software

Working software deploys to your environment from sprint 1 — not slides. Async standups, written sprint reviews, and zero surprise scope creep.

04

Reviewed, tested, traceable

Every change is peer-reviewed, tested in CI, and tied to a requirement. The same rigour our healthcare team uses for ISO 13485 applies to all products.

05

Handover or long-term partnership

You take the system in-house with a full documented handover, or keep us on for support. You own the code, infra, and decisions from day one.

Key Benefits

What you gain

Architected around your exact business domains and operational workflows, eliminating costly manual workarounds and database sync hacks.

Clean, modular codebase structured with explicit domain separation and fully documented architectural decision records (ADRs) in the repository.

Full intellectual property (IP) transfer, source code ownership, and deployment assets delivered to you from day one.

Enterprise-grade security controls, role-based access control (RBAC), and comprehensive audit trails built directly into the core system.

Standardized development patterns with automated CI/CD pipelines, local Docker configurations, and rigorous automated testing suites.

Concrete deliverables

Every engagement ends with tangible artefacts you own and can hand to any team.

Domain model blueprints, database ERDs, and comprehensive system architecture specifications.

Production-ready codebase with unit, integration, and end-to-end test suites (Playwright/Jest).

Infrastructure as Code (IaC) configuration files using Terraform or CloudFormation.

Interactive developer runbooks, deployment guides, and OpenAPI/Swagger documentation.

Post-launch support plans, staff onboarding resources, and technical handover sessions.

Technology Stack

Technologies we use

We select tools based on your requirements — not on what we happen to know best.

Backend
.NET 8/9Java Spring Boot
Frontend
Next.jsTypeScript
Database
PostgreSQLApache Kafka
Infrastructure
AWSAzure
Honest assessment

When this is NOT the right choice

If you haven't validated your core workflow yet, custom software is probably the wrong starting point. A €5,000 prototype in Airtable or a spreadsheet process can save you €200K in rework costs. We'll tell you this on the discovery call if we think it applies. We also don't take projects where the primary driver is replacing people rather than augmenting a workflow that's already functioning — those projects rarely end well for anyone.

FAQ

Frequently asked questions

We document all architectural decisions (ADRs) directly inside the codebase. We enforce strict linting, automated quality gates in the CI/CD pipeline, and write comprehensive automated test suites so that your internal team (or any third party) can take over the code and extend it with minimal onboarding time.

Yes, 100%. Under our standard engagement agreements, full source code ownership, infrastructure configuration files, database schemas, and all intellectual property rights transfer to you upon milestone payments. There are no licensing fees, usage caps, or vendor lock-ins.

We build isolated adapter services that interface with your legacy systems (such as SAP, Salesforce, custom AS400 databases, or accounting packages like DATEV) using message queues or REST wrappers. This ensures that legacy downtime never affects the performance or availability of your new application.

Let's Discuss Your Custom Software Project

Schedule a free 30-minute consultation with a senior engineer. No sales pitch — just an honest assessment of your situation.