Quantitative Developer

London Stock Exchange$98K — $164K *
Finance & Insurance
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Master's degree in a quantitative field (Financial Engineering, Computer Science, etc.)
  • Proficient in programming with C/C++, .NET, Java, or Python
  • 1-3 years of experience in the financial industry or relevant academic training
  • Hands-on usage of AI coding assistants in development
  • Strong capabilities in code review, particularly with AI-generated outputs
  • Experience with automated testing and version control
  • Excellent collaboration and communication skills
  • Proficient problem-solving skills; proactive in addressing issues
  • Eagerness to deepen understanding of financial concepts

Responsibilities

  • Design and develop applications for fixed income analytics used in trading decisions
  • Implement and enhance tools for securitized product analysis
  • Maintain and modernize existing codebase to ensure product stability
  • Utilize AI tools for efficient development and testing
  • Collaborate with product management and client services to address issues and develop features
  • Create unit and integration tests to validate software functionality
  • Work closely with Quality Engineering to ensure high-quality deliverables

Benefits

  • Annual Wellness Allowance
  • Paid time-off
  • Comprehensive medical, dental, and vision insurance
  • 401(K) Savings Plan with company match
  • Flex Spending & Health Savings Options
  • Basic life insurance and disability benefits
  • Adoption assistance and commuter assistance programs
  • Emergency backup dependent care support
Full Job Description
Job Description

London Stock Exchange Group is looking for an application developer to join a team of Fixed Income Analytics Application Development. The candidate is expected to work closely with other developers, making efficient and effective use of AI-assisted development tools, to drive application development for Yield Book product suite, including Excel Add-In, Structuring Tool and API. The Yield Book is a fixed income analytics system widely used by financial institutions and this position plays a vital role in the development of our products.

Main Responsibilities
  • Design and develop fixed income analytics applications, used by front office for trading and investment decision-making
  • Implement and enhance the Structuring Tool for securitized products, used for Securitized Product analysis and marketing
  • Maintain and modernize the existing codebase while preserving product stability
  • Use AI coding assistants and agentic tools to accelerate development, testing, and code understanding
  • Partner with product management and client service teams to solve product issues and deliver new features
  • Create unit tests and integration tests to ensure software meets requirements
  • Work closely with the Quality Engineering team to ensure the high quality of the deliverables


Essential Skills and Experience Required
  • An advanced degree (master's or higher) in a quantitative field such as Financial Engineering, Computer Science, Physics, Engineering, Mathematics, etc.
  • Excellent programming skills in one of the languages (C/C++, .NET, Java or Python)
  • 1 to 3 years of financial industry experience or academic training
  • Hands-on experience using AI coding assistants (e.g. GitHub Copilot, Claude, Cursor) in real development work
  • Strong code review skills applied to AI output - quickly assessing, validating, refining and testing AI-generated code
  • Experience with automated testing and version control
  • Strong teamwork and communication skills, with the ability to collaborate effectively with cross-functional teams
  • Excellent problem-solving skills and a proactive approach to identifying and resolving issues
  • Willingness to learn and develop deep financial knowledge


Career Stage:
Senior Associate

Compensation/Benefits Information:

LSEG is committed to offering competitive Compensation and Benefits. The anticipated base salary for this position is $98,500 - $164,100.

Please be aware base salary ranges may vary by geographic location, city and state. In addition to our offered base salary, this role is eligible for our Annual Incentive Plan (AIP/"bonus plan"). Target AIP rates will be commensurate with role level and posted career stage. Individual salary will be reflective of job related knowledge, skills and equivalent experience. 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, which includes offerings of: Annual Wellness Allowance, Paid time-off, Medical, Dental, Vision, Flex Spending & Health Savings Options, Prescription Drug plan, 401(K) Savings Plan and Company match. LSEG's Benefits plan also includes basic life insurance, disability benefits, emergency backup dependent care, adoption assistance commuter assistance etc.

About London Stock Exchange

London Stock Exchange Careers

There has never been a better time to join the global team at London Stock Exchange, a leading financial marketplace renowned for its robust growth, innovation, and leadership in the financial sector.

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Join London Stock Exchange's market-leading team to help drive the future of financial markets. At the intersection of finance and technology, the company offers a unique position in the marketplace, fostering digital innovation and industry expertise. Professionals at London Stock Exchange work with a dynamic team of business and technology advisors, helping clients and the market navigate through complex financial landscapes with cutting-edge solutions. Collaborate with some of the most talented financial experts in the industry—professionals dedicated to advancing the state of financial markets and services.

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