Platform Engineer, Core Services (C#/.NET & Python)

ABC arbitrage in Paris, Opéra area, is seeking an experienced Core Platform engineer to join our five-person team. You will design and build core services in C#/.NET and maintain Python libraries across data and research ecosystems.

The role covers distributed systems, data infrastructure, and tooling to boost developer productivity, with up to 50% remote work. We value strong fundamentals, API design, and ownership from architecture to production.