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Case Studies

Selected projects: the problem, the architecture decisions, and what they produced.

Logistics (sample)

Legacy .NET System Modernization

A strangler-pattern migration that put a clean REST API and cloud infrastructure in front of a decade-old internal system — with zero downtime.

  • .NET
  • C#
  • REST
  • PostgreSQL
  • Docker
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B2B SaaS (sample)

Flutter MVP for a B2B Booking Startup

iOS, Android and web from one Flutter codebase, backed by a Python API — from Figma to app stores in six weeks.

  • Flutter
  • Riverpod
  • Python (FastAPI)
  • PostgreSQL
  • Stripe
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Field services (sample)

QuickBooks Sync for a Field-Services Platform

Two-way QuickBooks Online synchronization for invoices, customers and payments — replacing a week of manual bookkeeping per month.

  • Node.js
  • PostgreSQL
  • QuickBooks Online API
  • OAuth 2.0
  • AWS
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