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Python Developer - FX Options Data Engineer

Job Req Id:
26940313
Location(s):
London, England, United Kingdom
Job Type:
On-Site/Resident
Posted:
Feb. 24, 2026

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Job Overview

Python Developer - FX Options Pricing and Market Data Distribution

The FX Options Pricing and Market Data distribution team is going through significant reengineering and modernisation. We are looking for an experienced Python developer and technologist to take a hands-on role in building out data analytics capabilities and developing frameworks that enable data scientists to leverage market data.

Responsibilities:

  • Contribute to the design and development of the electronic FX Options Data Platform
  • Building out reliable and fast data pipelines for quantitative analysis and trading.
  • Design, build and support our data analytic infrastructure
  • Collaborate with a global team of developers, quants and traders to translate business requirements into robust technical solutions
  • Drive the design and development of system architecture, work with users of the system, and enhance the quality of deliverables
  • Contribute to the continuous improvement of development, deployment and testing processes
  • Share your knowledge and mentor other developers, fostering a collaborative and innovative team environment

Required Skills:

  • Strong knowledge and experience of Python development.
  • Experience implementing  front office systems for Quants and Trading.
  • Proficiency with Python frameworks such as FastAPI, Flask etc for building scalable applications
  • Experience with Python libraries for financial applications (NumPy, Pandas, asyncio)
  • Hands-on practical experience delivering system design, application development, testing, and operational stability, particularly in Linux based cloud environments
  • Openshift/Kubernetes experience with containerized Python applications
  • Caching technologies e.g. Redis, Memcached or others
  • Middleware technologies: Kafka, RabbitMQ, Solace, or other message brokers
  • Experience with Python package management and dependency management (pip, uv, conda)
  • Awareness of industry trends and leveraging new technologies as appropriate
  • Proven track record of building new systems, replacing legacy systems and renovating existing systems

Nice to have:

  • Java and/or C# development experience
  • Experience with quantitative libraries
  • Familiarity with CI/CD pipelines for Python applications
  • Experience working in finance

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.

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