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Senior Python Developer - Selby Jennings

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About the Job

Senior Python Developer (Market Data)

About the Organization

Our client is a global investment firm that is hiring a Senior Python Developer (Market Data) to help build and maintain a next-gen market data platform. This full-stack role spans system engineering and data infrastructure with a focus on performance, scalability and reliability.

Responsibilities of Senior Python Developer (Market Data)
  • Design and implement systems using Python and C# with a focus on performance and scalability
  • Maintain high development standards including testing, CI/CD, and clean architecture
  • Enhance and support legacy systems (e.g., microservices, ETL pipelines, Excel add-ins)
  • Improve infrastructure via IaC, disaster recovery, and observability (logs, alerts, monitoring)
  • Manage Windows/Linux servers and databases (backups, replication, troubleshooting)
  • Provide technical support, monitor system health, and respond to user queries
  • Understand and optimize the medallion data architecture for ingestion, processing, and storage
  • Contribute to external data acquisition and integration into the market data platform
Requirements of Senior Python Developer (Market Data)
  • 5+ years of software development experience, ideally in data-intensive or distributed systems
  • Strong Python and C# skills; experience with relational, NoSQL, and columnar databases
  • Familiarity with DevOps practices, infrastructure-as-code, and system monitoring
  • Comfortable managing Linux/Windows servers and handling backups, replication, and troubleshooting
  • Able to work independently in a fast-paced, multi-project environment
  • Interest or experience in financial/market data and data engineering is a plus

Selby Jennings is a Trading Style of Phaidon International (License number R1871443)

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