Full-time

Sr. Python Developer

Posted by Ascendion • London Area, United Kingdom, United-Kingdom

📍 London Area, United Kingdom 🕒 March 01, 2026

About the Role

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)


Desi...

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