EU TAX COMPLIANCENDA

EU compliance platform for companies operating in Hungary

Anonymised case study

Due to a non-disclosure agreement, we can't share the client name or project name. What you read here is the description of a real delivered project — anonymised.

Background

A company operating a European financial compliance platform had been building its services around a PHP monolith for years. Their market was changing rapidly — new EU directives brought fresh requirements every six months — and developers were spending more time maintaining the old code than shipping new features. Leadership knew they needed a structural change but couldn't afford to stop the business while doing it.

Problem → Solution

Problem

A brittle monolithic system blocked rapid adaptation to regulatory changes, and every modification put the whole system at risk.

Solution

We split the monolith into ~30 independently deployable microservices with auditable processing pipelines and strict validation.

Approach

We did the migration on a live system: production stayed up continuously, new microservices ran in parallel with the old monolith, and traffic only switched once the new component proved stable. Weekly reviews with leadership, bi-weekly demos for the dev team, ADRs for every architecture decision — so the customer's team owned the direction, not us.

Outcome

Days → hours

Release cycle

~30

Independent microservices

Production outages during migration

The team can now independently extend complex tax rules without putting the whole system at risk.

Operations

LIVE

~30-service fleet operated on Azure Kubernetes — CI/CD pipelines, monitoring, incident handling and on-call support.

Selected work

We take what we build seriously.

REAL-TIME DATA PROCESSING

Deterministic real-time backend for continuous data streams

Data inconsistencies are gone; the system handles continuous load stably.

MULTI-TENANT PLATFORM

Multi-tenant web application with strict tenant isolation

New tenant onboarding takes minutes, and the codebase can be extended without risk.

Get in touch

Let's understand the problem before we build the solution.

Tell us whether an existing business-critical system is holding you back or you are creating a new complex platform. In a 30-minute conversation we identify the right first engagement and whether we are a fit.

Best fit: multiple roles or tenants, critical integrations, sensitive data, complex business logic, long-term evolution, or direct business impact when the system is unavailable.

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