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May 27, 2026

Senior Python Quant Developer

Senior • Remote

40 - 45 EUR/hr

Warsaw, Poland

Be in IT is a recruitment company, specialised in sourcing Specialists from the information technology world. Currently, for our client, we are looking for someone in the position Senior Python Quant Developer.

Your duties:

  • Long-term collaboration with a top international consulting firm providing IT services for large and medium-sized companies from various sectors such as finance, banking, insurance, or manufacturing.

  • Designing, developing, and implementing mathematical models.

  • Strict validation of model outputs against benchmark calculations at very high precision (down to machine-level accuracy, including intermediate variables).

  • Handling financial market data and pricing instruments across various asset classes, with a strong emphasis on equities.

  • Ensuring high standards of performance and reliability, including optimization of computation speed and robust exception handling.

  • Integrating the developed solutions with risk systems and data feeds.

Requirements:

  • Minimum 5 years of relevant professional experience.

  • Strong Python programming capability (mandatory).

  • Knowledge of financial markets.

  • Experience with data inputs and instrument pricing (equities are a priority; knowledge of commodities, credit, and interest rates is an advantage).

  • Experience developing and implementing mathematical models.

  • Ability to validate model outputs with very high precision.

  • Understanding of performance optimization and reliability (computation speed, exception handling).

  • Experience integrating with risk systems and data feeds.

  • English proficiency at the B2 or C1 level - enabling fluent communication in an international environment.

  • Availability ASAP is highly desirable; a maximum one-month notice period (effective at the end of the month) is acceptable.

Offer:

  • Long-term cooperation with remuneration in the range of 40-45 EUR net/hour + VAT.

  • Support in setting up and running a B2B business for those without prior experience.

  • Efficient and fast recruitment process - one, maximum two technical interviews with managers, online (one hour each).

  • Cooperation between 9:00 AM and 5:00 PM, with slight flexibility.

  • 100% remote work.

  • We accept candidates located across the entire European Union.

  • Benefits - private medical care, Multisport card.

  • Modern equipment provided by the company, along with software and configuration.