About Sam
French
Native or bilingual
English
Native or bilingual
German
Fluent
Dutch
Conversational
Spanish
Basic
Experience
- pharma mall GmbHPrincipal Software Engineer | IT TransformationE-COMMERCEFebruary 2025 - June 2026 (1 year and 4 months)Bonn, GermanyI defined the guidelines at the heart of pharma mall's future IT strategy (architecture, engineering practices, team organization) before presenting and defending our modernization vision to management. It was our internal alternative to an external service provider's proposal. The modernization **was built on my guidelines**, from the call for tenders to the project launch.The strategy was based on four pillars, for revenue growth and cost reduction:
- Domain-Driven Design
- Autonomous and multidisciplinary teams
- Strategic use of AI
Key achievements- Iproposed and facilitated a company-wide "big picture" Event Stormingsession: ~16 people from different business units gathered to map out its operations.
- Member of theselection committee(there were four of us) for the provider who would build the new system: in each interview, I pushed candidates on real problems to see how they would design the solution, beyond the sales pitch; critical shortcomings were identified in the contract and corrected before signing.
- The fact that experts I deeply respect (the authors ofDomain Storytellingand **Domain-Driven Transformation**) wanted to work there validated the approach.
- For the onboarding of the external company, I took care of the operational side: a replayable export of the source code of the application heritage (without identifiers, scanned on the supply chain side) and test data, delivered **in less than a week**, compared to the usual month.
Recognition- The shareholders' representative who led the process: "**a very convincing story and strategy**".
- Managerial evaluation: "knowledge and experience are extensive and valued" for "stand up the new architecture", rated "**exceeds expectations**".
- pharma mall GmbHSoftware Architect | TDD, DDD & CraftsmanshipE-COMMERCENovember 2024 - May 2026 (1 year and 6 months)Bonn, GermanyI work as an architect directly within the team, not as an architect disconnected from the field who decides from above without ever living their decisions: I design my choices and implement them myself. I consider a well-decoupled test suite to be the true foundation of the architecture, one that allows for fearless refactoring. I wrote the company's test-driven development strategy, as well as the architecture proposals and ADRs for the new system (Domain-Driven Design, event sourcing/CQRS, vertical slices), which served as the basis for the call for tenders at the heart of our IT transformation. And to prove it rather than just propose it, I developed a TDD-DDD-CQRS reference implementation (a CQRS/event sourcing framework written from scratch and a Given/When/Then test DSL), which I presented to the architecture committee.See LinkedIn for more details on this experience
- pharma mall GmbHDeveloper Productivity EngineerE-COMMERCEJune 2024 - May 2026 (1 year and 11 months)Bonn, GermanyMy role focused on developer productivity: removing friction from their daily lives. Where setting up their environment used to take days, I implemented a development environment that starts the application with a single command; the first setup takes 10 to 30 minutes. On an old Java technical stack, I reduced the feedback loop from 2-8 minutes to about 17 seconds in the worst case, thanks to reliable hot reloading, and I created synchronization and testing tools between repositories so that running a colleague's code became normal. I became the team's go-to person for anything that "doesn't run locally".See LinkedIn for more details on this experience
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