At SEI we value our employees and believe in driving growth through change. Part of building brave futures is making a concerted effort to develop and challenge our employees to achieve their goals through internal job mobility.

Quantitative Investment Management (QIM) team manages over 50 equity strategies across a variety of geographies, investment styles and risk/return profiles. The team is experiencing strong asset and account growth, requiring further investment into people, data, and tools.

Quantitative Developer, Investment Management Unit, Quantitative Investment Management, London

SEI is seeking to hire a Quantitative Developer to develop, enhance and support platforms and tools that facilitate signal research, portfolio construction, performance attribution and reporting.

What you will do:

› Infrastructure (40%): Design, develop, and maintain high-quality, scalable systems using industry best practices, SOLID principles, and design patterns where applicable. Enhance and optimize systems for equity factor modelling, portfolio construction, trading, and reporting.

› Pipelines (20%): Identify and implement performance optimizations for data pipelines and processing workflows.

› Production (20%): Oversee the maintenance and operational stability of investment process systems and production jobs.

› Communication (20%): Ensure comprehensive documentation for applications, including system architecture and design specifications. Collaborate closely with senior developers to drive innovation and efficiency.

What we need from you:

› 3+ years of professional development experience in a commercial environment, preferably from a quant equity setup.

› Proficiency in Python (3.9+), with experience in system architecture and application development.

› Good knowledge of multi-processing and multi-threaded programming.

› Solid understanding of design patterns, SOLID principles, and unit testing practices.

› 2+ years of experience with SQL, including query optimization and execution plan analysis.

› Experience with auditing, and CI CD processes, Bitbucket (Github), Team City, setup and create pipelines.

› Proficiency in data modelling, data management processes, and data profiling.

› Experience in developing APIs and working with WebSockets.

› Knowledge of React, Django, FastAPI, or equivalent technologies.

› Previous experience with AirFlow, Linux shell commands and setup websites on IIS.

What we would like from you:

› Bachelor’s or Master’s degree in a relevant field.

› Creative and solutions-oriented, with the ability to excel in a fast-paced, self-starting environment.

› Exceptional analytical skills with a strong attention to detail.

› Strong problem-solving ability and a results-driven mindset.

› A collaborative and proactive approach, with a "roll-up-your-sleeves" attitude.

› Ability to explain results and model features to non-technical audiences.

› Someone who will embody our SEI Values of courage, integrity, collaboration, inclusion, connection and fun. Please see our website for more information. https://

SEI is an Equal Opportunity Employer and so much more...

After over 50 years in business, SEI remains a leading global provider of investment processing, investment management and investment operations solutions. Reflecting our experience within financial services and financial technology our UK office is based between the City of London and the growing technology hub of Shoreditch. The open plan nature of our office space, flowing lines and numerous art installations are designed to encourage innovation and creativity in our workforce. We recognise that our people are our most valuable asset and are (literally) invested in your success; we know that a healthy, happy and motivated workforce is key to our continued growth. We are focused on ensuring a healthy work-life balance and offer our employees benefits which include private medical care for you and your family, access to GPs online for appointments, enhanced family leave, volunteer days, access to thriving employee networks and not forgetting free fruit twice a week.

SEI Investments (Europe) Limited (’SIEL’) is authorised and regulated by the Financial Conduct Authority (FRN 191713).