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Sr Python Developer
Job in
Greater London, London, Greater London, W1B, England, UK
Listed on 2026-10-26
Listing for:
Falcon Smart IT (FalconSmartIT)
Full Time
position Listed on 2026-10-26
Job specializations:
-
Software Development
Python, Backend Developer
Job Description & How to Apply Below
We are looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role involves building backend applications and data processing logic supporting risk calculations, trade workflows and reporting.
Key Responsibilities- Develop and enhance Python-based applications for trading and risk use cases
- Build data processing pipelines and automation scripts for trade, risk and reconciliation workflows
- Work with large financial datasets to support PnL, risk and reporting requirements
- Contribute to system design, architecture and scalability decisions
- Collaborate with quants, traders and risk teams to translate business requirements into technical solutions
- Develop and integrate REST APIs and backend services
- Contribute to CI/CD pipelines and deployment processes
- Support production systems (L2/L3) including debugging, enhancements and performance optimization
- Write and maintain unit and integration tests
. Ensure high code quality and test coverage - Participate in code reviews and mentor junior developers where required
- Strong experience in Core Python development (6?10 years)
- Strong SQL skills with ability to handle complex queries and large datasets
- Experience with Python libraries (Pandas, Num Py) for data processing
- Experience building RESTful APIs/services (Flask / FastAPI / Django)
- Strong understanding of data structures and performance optimization
- Experience working with large-scale data processing and performance optimization
- Working knowledge of Unix / Linux environments and basic shell scripting
- Experience working in Investment Banking / Capital Markets environments
- Hands-on exposure to:
Market Risk / CCR / PnL / Trade lifecycle / Reconciliation - Understanding of financial products such as:
Derivatives (swaps, futures, options), bonds
- Exposure to PySpark or large-scale data processing
- Experience working with quants or pricing models
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