Replacing a backend without stopping 2,600 stores
150 million documents and 1 TB of data migrated in place, across 9,500 terminals. Result: 79% throughput gain and a 216× reduction in query time.
Software architecture · System design
Technical strategy
with a business edge.
Software architecture and system design for products that need to move fast, for teams that need to trust the decision.
SEC. A
How I help
MVP and technical direction
I need a senior technical guide to design and deliver an MVP, including AI from pilot to production.
Scale a system in production
I need to know whether the system will hold under real load and what has to change before it breaks.
Integration across organizations
I need a clear boundary between our systems, without creating a dependency we cannot get out of later.
SEC. B
Selected work
2,600stores, zero downtime
Retail · Backend modernization
18microservices, AWS
Mobility & traffic management
Absorbing three national traffic feeds without a single-source model
HERE, TomTom and Radio24, each on a different schema and update cycle, unified into one platform. In production since 2017, more than 99.9% uptime.
9Mcalls / hour, peak
Public sector
Architecture designed while requirements were still moving
The system grew to 400,000 entities and absorbed peak loads of 9 million calls per hour before a wider modular redesign.
3cities, one architecture
Luxury e-commerce
One architecture across three cities
A single shared architecture for a luxury brand across Berlin, Geneva and Shanghai, with local compliance and localization built into the design. It kept teams aligned across time zones.
1API contract, hundreds of clients
Enterprise content
Headless CMS for Content as a Service
A single API contract for Crownpeak while hundreds of clients depended on the same content layer, reusable without forcing each client into bespoke integration.
10years, no rewrite
Open source platform
Ten years of evolution without rewrite
RESTHeart evolved through major upstream changes while preserving a stable product and API. Unisys and Northrop Grumman used it as it grew into a hosted SaaS offering.
SEC. C