Software Development Manager, Marex — Founder, Cloudkasten GmbH

I build global payments systems by day and boot-strap products by night.

Fifteen years from .NET backend developer to engineering leader. I write about clean architecture, domain-driven design, Kubernetes and the craft of leading engineers.

Read the writing Download my CV (PDF)

Marex
StoneX Group
Cloudkasten GmbH
Oxford — Saïd Business School

Saïd Business School, Oxford — 2023

Latest essay — Software Engineering

Exactly Once Webhook Delivery at Scale

Exactly once webhook delivery is impossible, but exactly once processing is not. Build a reliable webhook pipeline on Cloudflare Queues and Durable Objects.

25 Aug 2026 15 min read

Recent writing

All essays

Personal Reflections on 2025: A Year of Growth, Change, and New Beginnings A personal reflection on 2025 – a transformative year marked by the birth of my son, marriage, career transitions, product launches, and valuable lessons about adaptability and growth. 23 Dec 2025 Software Engineering Streaming Wedding Images Worldwide with Dapr and Lightstreamer Using Dapr sidecars, Lightstreamer, and CDNs to deliver low-latency wedding images in WedCam, plus new RSVP-driven guest management. 08 Jul 2025 Devops Building a Stateful FIX Engine on Kubernetes Using persistent volumes, Fluent Bit, and Azure Event Hubs to reliably process FIX messages in a cloud native environment. 08 Jul 2025 Software Engineering Extreme Performance Tuning for ASP.NET Core Web APIs Detailed strategies for squeezing every millisecond out of ASP.NET Core Web APIs, from messaging to caching to memory optimization. 23 Jun 2025

Building

Cloudkasten GmbH

Founder and CEO since 2017. Bootstrapped products and engineering consultancy out of Germany.

cloudkasten.net

MobilityManager

Self-hosted fleet management software on a perpetual per-vehicle licence — no subscription, no user limits, data never leaves your infrastructure.

mobilitymanager.io

WedCam

Streaming wedding images worldwide with Dapr, Lightstreamer and CDNs, plus RSVP-driven guest management.

wedcam.io

rep4eu

GDPR Article 27 representation for non-EU companies — licensed German attorneys answering supervisory authorities across all 27 member states, not a mailbox.

rep4.eu

“If you’re not embarrassed by the first version of your product, you’ve launched too late.”

— Reid Hoffman

Speaking & mentoring

At conferences, meetups and university capstones on clean architecture, domain-driven design and tech leadership.

Speaking & advisory