Selected work · 05

PROJECT INDEX

Independent projects

PythonOrder Management APIConcurrency and retry behavior are business rules.

PostgreSQL concurrency test: two confirmations, one success, one conflict, inventory never negative

Versioned FastAPI routes delegate tenant-aware rules to services and repositories, with PostgreSQL transactions protecting stock and order state.Open project

FLAGSHIPC# · TypeScriptHelvetic Operations PlatformEvery write path should enforce the same lifecycle, authorization and concurrency rules.

Helvetic Operations Platform project visual

Angular 22 read/write workflows call an ASP.NET Core Minimal API. Application services coordinate guarded C# domain rules, EF Core 8 persistence, SQL Server rowversion concurrency and atomic audit events.Open project

PythonSales Data PipelineBad rows and failed exports must be observable.

Sales Data Pipeline project visual

Independent ingestion, validation, transformation, reconciliation and publishing stages convert imperfect CSV exports into auditable reports.Open project

C#Swiss Event Permit AssistantA civic-tech tool must be explicit about what it does not do.

Swiss Event Permit Assistant project visual

A Razor Pages questionnaire runs C# domain rules against a reviewed catalog of official Fribourg event-permit sources, returning required actions, documents, deadlines and confirmation points without submitting anything on the user's behalf.Open project

PythonClinical Data PlatformPartial failure is the normal case in data ingestion, so it belongs in the model.

Clinical Data Platform project visual

A FastAPI API records an import job before dispatching it, Redis hands the work to a Celery worker, and PostgreSQL stores the synthetic clinical records, job state, provenance and audit trail. RLS policies are tested for non-owner database connections.Open project

BEYOND THE FIVE · 02

Tools for learning French

Objective-C++ · macOSPlume Française French typing assistance stays on-device, from accents to context-aware verb suggestions.JavaScript · Pythonwordcloud A reproducible French vocabulary graph separates sourced relations from layout-only links.