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LSEG (London Stock Exchange Group) Logo

Quantitative Developer

LSEG (London Stock Exchange Group)

$81,500 - $135,900
Sep 1, 2025
New York, NY, US
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LSEG is looking for a graduate/junior quantitative developer to work on their optimisation services development and analytics, specifically to design, build and maintain the code that handles data priming, model execution, and post-processing of solutions for clients.

Requirements

  • Proven experience building quantitative, data intensive products in python
  • Excellent understanding of software development best practices (such as functional and OO paradigms and standard design patterns) and design principles (SOLID)
  • Excellent understanding of commercial development practices such as testing, documentation, package management and SDLC
  • Excellent understanding of python for numerical programs. In particular, pandas and numpy are a must
  • Excellent problem-solving skills
  • Knowledge of UNIX & AWS
  • Understanding of linear and mixed integer programming, and convex optimisation

Responsibilities

  • writing and testing code, which is written in python
  • designing and writing code in a large, shared codebase
  • executing the multilateral optimization runs
  • provide timely support during runs and help resolve issues as they arise in real time
  • build and support one or more of Quantile products
  • enhance the products based on feedback from clients and analysis of runs, as well as on strategic projects
  • Develop enhancements to the service model libraries to add new features and/or improve others

Other

  • Strong communication skills (the role will involve explaining complex algorithms to colleagues with varying technical and mathematical experience)
  • A client-focused approach is therefore of paramount importance for the role.
  • The anticipated base salary for this position is $81,500 - $135,900.
  • This role is eligible for our Annual Incentive Plan (AIP/”bonus plan”).
  • LSEG roles (excluding internships and part-time roles of less than 20 hours per week) are typically eligible for inclusion in our LSEG Benefits program