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Senior Quant Developer
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Quant Developer – Front Office
London – Hybrid, 3 days per week
Contract – Inside IR35
We are working with a leading financial services organisation looking to hire an experienced Quant Developer to join a Front Office technology team.
This is a hands-on Python development role working directly with Front Office users, building quantitative tools, analytics and applications that support day-to-day business and decision-making.
The role
- Build and enhance Python applications, analytics and quantitative tooling used directly by Front Office teams.
- Work closely with Front Office users to understand requirements and translate them into technical solutions.
- Develop solutions across quantitative analytics, data and business-critical workflows.
- Take ownership of requests from initial discussion through development, testing and production delivery.
- Automate and improve existing processes and tooling.
- Build integrations between Python applications and the existing Front Office technology environment.
- Investigate and resolve production issues affecting users.
- Improve the performance, reliability and maintainability of existing applications.
- Work across the existing technology estate while gaining exposure to newer technologies and ongoing platform modernisation.
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Mandatory experience
- Strong commercial Python development experience.
- Previous experience working directly with Front Office users within financial services.
- Strong Quant Development / quantitative technology experience.
- Experience building and supporting production applications.
- Ability to understand quantitative requirements and translate them into robust technical solutions.
- Strong individual ownership and ability to work effectively in a fast-moving, desk-facing environment.
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Nice to have
- Experience with Pandas, NumPy, SQL, quantitative analytics, market data, risk, pricing, backtesting, Snowflake, AWS/cloud technologies, CI/CD or automated testing would be beneficial.
The existing environment contains a mixture of technologies, so some requirements may involve integrating Python solutions with existing C#, VBA or Excel-based tooling. Deep expertise in these technologies isn't required.
The priority is a strong Python Quant Developer with genuine Front Office financial-services experience who can work directly with users, take ownership of requirements and deliver practical solutions quickly, while also gaining exposure to a modernising technology environment.
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