Sr Python Developer – Trading / Risk Platforms

Crisil is looking for a Sr Python Developer – Trading / Risk Platforms

Job description

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)
    • Prior experience in global banking environments

    Experience

    • ~7–12 years of experience

    Note: Candidates without capital markets / risk / trading domain experience will not be considered

  • Extra information

    Status
    Open
    Education Level
    Secondary School
    Location
    London Area
    Type of Contract
    Full-time jobs
    Published at
    01-05-2026
    Profession type
    Accountancy
    Full UK/EU driving license preferred
    No
    Car Preferred
    No
    Must be eligible to work in the EU
    No
    Cover Letter Required
    No
    Languages
    English

    Accountancy jobs | Full-time jobs | Secondary School

    Apply directly

    Share this vacancy