Senior Backend Engineer (.NET) | Cloud & Distributed Systems | Building Scalable + AI-Enabled APIs

Backend engineer with 10+ years building production systems that move money, handle scale, and stay reliable under pressure. I design clean architectures, lead teams, and deliver backend platforms used in fintech, travel, and healthcare.

🏗️ Distributed Systems — Microservices, event-driven architecture, Clean Architecture ☁️ Cloud & Platforms — Azure, AWS, Docker, scalable backend systems 🤖 AI Integration — Azure OpenAI, Semantic Kernel, RAG-based workflows 💳 Domain Expertise — Fintech (remittance), Travel (GDS/NDC), Healthcare

🌍 Open to remote roles (worldwide) · Relocation: Netherlands, Germany, Ireland

Cross-Border Remittance Platform (MobilityOne) Led backend delivery and built integrations with multiple financial partners including MoneyGram, Mastercard, Tranglo, and regional banks. Worked on multi-corridor remittance flows, partner orchestration, and high-reliability transaction systems.

Flight Search Aggregator Built a multi-supplier flight search platform integrating GDS/NDC/LCC providers. Implemented caching (Redis), multi-currency pricing, and scalable APIs for real-time search.

Currency Conversion Microservice Designed a production-ready microservice with scheduled rate ingestion, authentication (JWT), and strong test coverage. Built using Clean Architecture principles.

AI Agent Automation Developed backend workflows using Azure OpenAI and Semantic Kernel to automate business processes and integrate AI capabilities into existing systems.

C# · ASP.NET Core · Python · FastAPI · Azure · AWS · Microservices · Redis · SQL · Docker · Semantic Kernel · Azure OpenAI