Principal Software Engineer at Euronext

Principal Software Engineer – CSD Convergence Programme

Location: Porto, P13, PT. Full‑time on‑site position within Euronext Securities, part of the CSD Convergence Programme – a strategic initiative to converge and modernise Central Securities Depository platforms across Europe.

Program Overview

The programme delivers a harmonised, resilient, and scalable post‑trade ecosystem that supports multiple markets, institutions, and regulatory requirements.

Key Accountabilities

• Provide technical leadership within the CSD Convergence Programme, shaping solution design, architectural decisions, and technical guidance to software development teams.
• Design, build and evolve scalable, highly available and resilient platform components used by multiple product teams.
• Define and promote reference architectures, guidelines and best practices for APIs, messaging, and event streaming.
• Contribute to non‑functional requirement...