Python Developer

LocationLondon, England, United Kingdom# Python Developer at N Consulting LtdLocationLondon, England, United KingdomSalary£300 - £350 /dayJob TypeContractDate PostedMay 6th, 2026Apply Now**Role: – Sr Python Developer****Duration:6 Months Contract**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**Must-Have Skills**• 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, NumPy)** 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****Domain Experience (Critical)**• 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**Good-to-Have**• Exposure to **PySpark or large-scale data processing**• Experience working with **quants or pricing models**• Basic scripting (Unix / Bash)
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