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Fixed Income Quant Researcher

LSEG (London Stock Exchange)

USA-New York-28 Liberty Street permanent

Posted: May 8, 2026

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Quick Summary

This is a manager level role in fixed income research, responsible for supporting and enhancing the Yield Book's advanced analytics and risk management.

Job Description

Role Profile

This is a manager level role reporting to the Head of Fixed income Pricing and Modeling. He or she will be responsible for supporting, enhancing, and building out Yield Book’s advanced analytics and supporting curve fitting, our term structure model, and pricing and risk for Mortgages, CMOs, fixed income derivatives, and corporate bonds. The daily activities will include assisting in modeling and monitoring of various curves, our term structure model, and the pricing of other fixed income security types.

Key Responsibilities

• Learn Yield Book’s fixed income pricing model, curve fitting model, and term structure model as well as risk model such as VAR. Commitment to support and improve existing implementations.

• Applying quantitative skills to the modeling of the fixed income research.

• Willingness to learn data flows that support quant models, i.e. customize data storage and processing to optimize for user experience, cost, and speed.

• Support the effort to modularize existing suite of models.

• Learn our cloud platform and lead data processing and model development.

• Support research around the construction of new models.

• Understand model construction and paths to production.

• Coordinate with developers, data teams, broader research team, client services, and the product Management team on python code, cloud, and research outreach.

Candidate Profile / Key Skills

• Strong quantitative skill in mathematics and the numerical analysis is required.

• Advanced Technical degree in a field such as Physics, Computer Science, Engineering, Statistics, Physics, or Mathematics is preferred.

• Strong working knowledge in C and C++ is strongly preferred.

• Strong working knowledge of Python programming language is preferred.

• Working knowledge in the fixed income market is desired.

• Prior experience integrating data and models into production processes is desired.

• Prior experience producing buyside or sell-side research and publications is desired.

• Needs to be self-reliant and resourceful.

• Strong motivation and the desire and ability to innovate.

• 1-2+ years in a similar quantitative role is preferred

Career Stage:

Senior Associate

Compensation/Benefits Information:

LSEG is committed to offering competitive Compensation and Benefits. The anticipated base salary for this position is $151,000 - $251,600.

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.

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject.

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.

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