Role: Mid-Level Backend Engineer (Python/Java)

Positions: 2

Location: London / City (Hybrid - 3 days in office)

Contract: Permanent or Contractor (Inside IR35)

Opportunity Summary: Python Developer for Transforming Structured Notes Trading

Join a high-impact initiative to re-platform a Tier 1 Investment Bank legacy Structured Notes Trading technology.

Key Requirements & Technology Stack

• Backend Engineering: Strong experience in building and operating complex backend services is essential.
• Core Language: Clear willingness to write and maintain Python in production is essential; strong prior Python experience is heavily preferred. Experience must go beyond scripting, tooling, or data science.
• Secondary Language: Familiarity with Java is beneficial, as it is used to implement Camunda workflows.
• Domain: Must have curiosity and interest in investment-banking concepts, as the role involves learning the complex structured notes lifecycle.
• Environment: Minimal support is provided, requiring a high degree of autonomy.
• Tech Stack: Python (majority), Java/Spring, Kubernetes (OpenShift), Typescript/Web, Oracle and Mongo databases.

Why Join This Team?

• Development: Work on mostly greenfield development projects with weekly production releases, offering rapid feedback.
• Growth: Join a stable, growing business area committed to expanding the team by at least six engineers in early 2026.
• Culture: The team maintains a sustainable pace, sets realistic deadlines, and actively avoids long hours or burnout.
• Collaboration: Engage closely with front and middle office traders and treasury teams.