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Sr. Python Developer
Job in
Greater London, London, Greater London, W1B, England, UK
Listed on 2026-02-15
Listing for:
Ascendion
Full Time
position Listed on 2026-02-15
Job specializations:
-
Software Development
Backend Developer, Python
Job Description & How to Apply Below
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.
- Knowledge of front-office sales and trading workflows.
- Familiarity with messaging or event-driven systems.
- Experience mentoring junior engineers or leading technical initiatives.
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