Portfolio

Case studies

Real projects with real numbers. Client systems are described anonymously — the profile, the problem and the results are genuine; the names stay confidential.

Equipment rental company · 2 countries · 200+ employees

Full replacement of a field-operations system — with a mobile app and no app stores

An aging cloud system with a separate native Android app, replaced by a single modern .NET system with a field PWA — push notifications, offline mode and camera included. Core development took 12 working days.

  • 12 working days of core development
  • 38,000+ equipment units migrated
  • Push and offline on iPhone and Android
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US advertising platform · ~20-year-old codebase

Modernizing an 823,000-line monolith — no downtime, no big bang

A live .NET Framework 4.8 platform with 54 projects and 23,000 commits of history, modernized incrementally to .NET 10 — the old system keeps running while the new one takes over section by section. 19 sections with tests in about 8 days.

  • 823,000 lines of legacy code
  • 19 sections in ~8 days
  • SSO with zero changes to the old system
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Own product · sportbattles.com

SportBattles — our own SaaS platform for racket-sport tournaments

A tournament management platform — from draws and scheduling to live scoring and online payments. Built and operated entirely by us; the proof that we can carry a product from idea to market.

  • ~190,000 lines of our own code
  • 11 draw algorithms
  • 660 automated tests
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International maritime transport company · market data and contracts

From a system with a 2011 UI to a new product in 9 weeks

An internal market-data system of 237,000 lines, built on UI components 14 years out of date, rewritten as a new product. The analysis before the code proved 65% of the old system was dead — the client paid only for what was alive.

  • 9 weeks to a new product
  • 65% of the scope cut after analysis
  • 237,000 lines of legacy code analyzed
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Logistics software provider · Northern Europe

A shipment portal displacing an established competitor — in 4 months

A business shipping portal with live rate comparison across carriers, native integrations with six carrier networks and label printing — from zero to a product displacing an existing competing solution.

  • 4 months from zero to a working portal
  • 6 carrier integrations
  • Nightly automated E2E tests
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Transport company · heavy truck fleet

Your GPS data already exists — make it useful

An existing GPS platform collected 50,000 messages a day from the fleet, but its built-in reports didn't work. We built an analytics layer on top — anomalies, reports and scores over data the company was already paying to collect.

  • 50,000 messages a day processed
  • 18M historical records
  • Reports in milliseconds instead of minutes
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