Sr. Python Developer

We are looking for Sr. Python developer for our Banking partner in Bromley, UK !

Full-time role with Ascendion (AI-first, 30% YoY growth, FS focused)

3 days onsite role in Bromley

This role is suited to a Senior Software Engineer with experience building enterprise‑wide applications in a front‑office financial services domain.

• Design and implement backend Python software solutions within the SP pre-trade domain.
• Collaborate on React UI app, ensuring clean API contracts and integration with backend services.
• Define, evolve, and maintain structured products data models defined as JSON schemas.
• Contribute to system design and architecture decisions for a globally distributed FO platform.
• Knowledge of Structured Products (Notes, Warrants, Certificates)
• Familiarity with financial services, particularly structured notes and equity derivatives.
• Knowle...