Senior Quantitative Developer

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open‑access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs.

It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years.

This is a manager level role reporting to the Head of Fixed Income, Currencies Commodities (FICC) engineering. You will be responsible for supporting, improving, and building out Yield Book’s quantitative index/benchmark construction models and index analytics, and implementing end‑to‑end index/benchmark system production workflows for bond indexes, currency benchmarks, interest rates benchmarks, commodities indexes and digital assets indexes.

• Manage a team of 5 developers.
• Lead the development effort of maintaining, improving, and building best‑in‑class index/benchmark construction models (e.g., optimization, target exposure) and analytics (e.g., turnover, volatility, sharp‑ratio).
• Propose solutions and strategies to leverage cutting‑edge technology (e.g., Generative AI) and various LSEG internal products to innovate quantitative modelling and analytics in FICC.
• Commit to support and improve existing implementations and learn our cloud platform and lead data processing and model development.
• Develop and promote key relationships with internal business and technology/engineering stakeholders, coordinating with developers, data teams, broader research team, client services, and the product management team.
• Work closely with the product delivery team to align quantitative delivery priority/timelines with business and client expectations.

• 10+ years of proven track record in quantitative development.
• Strong quantitative skill in mathematics and numerical analysis.
• Advanced technical degree in a field such as Computer Science, Engineering, Statistics, Physics, or Mathematics is preferred.
• Strong working knowledge of Java and Python programming languages.
• Working knowledge in the fixed income market desired.
• Prior experience with model and data integration in large commercial applications desired.
• Precise articulation of clients’ needs with a talent for communicating complex ideas and concepts in a concise manner.
• Extreme attention to detail and interest in operating in a multifaceted, fast‑paced environment.
• High energy, passionate, and dynamic self‑starter.
• Pragmatic and motivated result‑oriented approach.
• Excels in an environment that is rapidly growing and changing.

LSEG is committed to offering competitive compensation and benefits. The anticipated base salary for this position is $167,500–$279,300. Base salary ranges may vary by geographic location, city, and state. The role is eligible for an Annual Incentive Plan (AIP/bonus plan). Target AIP rates are commensurate with role level and posted career stage.

Additional benefits include annual wellness allowance, paid time‑off, medical, dental, vision, flex spending & health savings options, prescription drug plan, 401(k) savings plan with company match, basic life insurance, disability benefits, emergency backup dependent care, adoption assistance, commuter assistance, and more.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is to drive financial stability, empower economies, and enable customers to create sustainable growth.

Our values of Integrity, Partnership, Excellence, and Change underpin our culture 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. We value individuality and encourage new ideas and sustainability across our global business. We help re‑engineer the financial ecosystem to support sustainable economic growth, accelerate the transition to net zero, and create inclusive economic opportunity.

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

We are proud to be an equal opportunities employer. We do not discriminate on the basis of 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. We can reasonably accommodate applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs in compliance with applicable law.