Senior Software Engineer at Flix

Designed and built a Voucher Management Service handling more than €10M in vouchers with high reliability and low latency. Developed a customer communication platform including automated PDF ticket generation and multilingual notification systems. Implemented WhatsApp, SMS, and email notification pipelines for multi-country operations. Introduced secure MSA-based single sign-on improving authentication across internal systems. Built an AI-powered agent for automated customer query resolution using LLM integration and RAG pipelines. Collaborated with global teams across Germany, Australia, and Mexico to deliver international product rollouts. Built Go microservices supporting inventory systems managing millions of SKUs across global vendors. Designed product variant architectures supporting up to 120 combinations per item. Increased automated test coverage from 20% to 90%, significantly improving system stability.

Senior Software Engineer at Gelato

Designed and built a Voucher Management Service handling more than €10M in vouchers with high reliability and low latency. Developed a customer communication platform including automated PDF ticket generation and multilingual notification systems. Implemented WhatsApp, SMS, and email notification pipelines for multi-country operations. Introduced secure MSA-based single sign-on improving authentication across internal systems. Built AI-powered agent for automated customer query resolution using LLM integration and RAG pipelines. Collaborated with global teams across Germany, Australia, and Mexico to deliver international product rollouts. Built Go microservices supporting inventory systems managing millions of SKUs across global vendors. Designed product variant architectures supporting up to 120 combinations per item. Increased automated test coverage from 20% to 90%, significantly improving system stability.

Software Development Engineer III at Sixt SE

Led backend Go microservices across inventory, logistics, and analytics domains. Built scalable architectures supporting millions of SKUs with robust product variant handling (up to 120 combinations). Migrated legacy monoliths to Kafka-based event-driven microservices and implemented comprehensive API surfaces for mobility platforms. Improved infrastructure performance, CDN optimization, and asynchronous queue processing. Increased automated test coverage from 20% to 90%, significantly boosting system reliability. Collaborated with cross-functional teams to deliver international deployments and scale product capabilities.