Software Developer

London, England, United Kingdom


Role reports to Head of Development.

SALARY - Market + bonus dependent upon experience.

The role is a development role that covers all parts of the development cycle including prototyping, web GUI development, server-side engine development, testing and deployment. This role also offers a great way in to the derivatives and financial industry and as a small company your career path can be flexible based on your goals.

We are a fast growing company so a forward looking, enthusiastic personality who is keen to stretch themselves and learn rapidly is the best fit. This is an exciting opportunity to be part of a dynamic company building genuinely leading edge software for the financial services industry and offers a great chance to learn all about capital markets and derivative products.


Cassini Systems Limited is a financial technology company based in New York and London.

Cassini offers an analytics platform for OTC trading combining risk, limits, fees, margin and collateral. At pre-trade stage users can access What-If trade testing, Best Execution and Best Hedge recommendations alongside Regulatory and Operational Limits Monitoring. Post-trade users can


Specific Experience / Skills Required

Essential Technical Experience

- PYTHON, Java, JavaScript, CSS, Distributed Processing Patterns

- Pypi, Pip

- RabbitMQ or similar MQ messaging protocol

- SQL and data modeling

- Modern development frameworks, including Bootstrap, SQLAlchemy, Flask, Backbone

- Algorithm development/implementation

- Agile development model

Also useful is experience with cloud and docker based deployment:

- Docker containers, Amazon Web Services deployment and configuration, ECS


SALARY - Market + bonus dependent upon experience.

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