Quantitative Developer (Asset Management)

Legal & General; Greater London; Hybrid; GBP 90,000 - 150,000; Full time

Benefits offered by this job

Annual bonus plan

Share schemes

Generous pension contribution

Life assurance

Healthcare plan

25 days holiday + holidays

Buy/sell holiday

Discounts across stores

Electric car scheme

Job summary

Legal & General is seeking a highly skilled Quantitative Developer to build Python-based services for multi-asset investments in London. You will design scalable analytics for portfolio construction, risk analysis and performance measurement, collaborating with quants, PMs and engineers to deliver production-ready solutions.

We value strong Python and SQL skills, data programming discipline, and the ability to translate investment requirements into robust software.

Qualifications

• Strong ability to translate investment products, portfolios and constraints into robust analytical systems.
• Excellent data skills with deep SQL, data structures and data workflows.
• Experience with modern software engineering practices (version control, testing, code reviews).
• Proven Python development skills and problem-solving mindset for asset management.

Responsibilities

• Designing, developing, and maintaining Python-based analytics for portfolio construction, risk analysis and performance measurement.
• Building scalable, well-tested production code with clear documentation.
• Integrating data sources including market data, holdings, benchmarks and risk metrics.
• Automating analytics, reporting and data workflows to improve efficiency and scalability.
• Validating outputs to ensure economic intuition and technical soundness.
• Collaborating with portfolio managers, strategists and risk teams to align outputs with investment intent.
• Documenting models, methodologies, assumptions and limitations clearly.

Skills

Python

SQL

Data processing

Portfolio construction

Risk analysis

Performance measurement

Testing

Version control

Job description

Company Description

Legal & General (L&G) is a leading UK financial services group and major global investor. We’ve been safeguarding people’s financial futures since 1836, and strive to build a better society, while improving the lives of our customers and creating value for shareholders. We are one of the world’s largest asset managers and provide powerful asset origination capabilities. Together, these underpin our retirement and protection solutions: we are an international player in pension risk transfer, in UK and US life insurance, and in UK workplace pensions and retirement income. Our global asset management business provides our clients and partners with complex, responsible investment solutions, working internationally across public and private markets. We are one of Europe’s largest asset managers and a major global investor across public and private markets. Asset Management is a critical driver of our Group strategy. The business aims to work synergistically with our Institutional Retirement and Retail divisions to benefit our clients and customers, and deliver enhanced shareholder returns. Our investment philosophy and processes are focused on creating value over the long term. We believe that incorporating financially material sustainability criteria, when relevant to our clients, can create value and drive positive change.

Job Description

We are seeking a highly skilled Quantitative Developer to join our team and play a key role in supporting the continued growth of our Multi-Asset and Asset Allocation businesses. This role will focus on the design and development of scalable, Python-based services that directly enhance our multi-asset investment capabilities and fund range. It is an excellent opportunity for an intellectually curious, fast-learning professional with strong Python expertise and a solid understanding of asset management to make a meaningful impact. The successful candidate will bring a problem-solving mindset, strong proficiency in Python and SQL, and a genuine enthusiasm for collaborating within a dynamic, high-performing team environment.

What you’ll be doing

• Designing, developing, and maintaining robust Python‑based analytics to support portfolio construction, risk analysis, and performance measurement


• Building scalable, well‑tested, and clearly documented code for use in a production environment


• Integrating multiple data sources, including market data, portfolio holdings, benchmarks, and risk metrics


• Automating recurring analytical, reporting, and data workflows to improve efficiency and scalability


• Validating analytical outputs to ensure results are economically intuitive as well as technically sound


• Collaborating closely with Portfolio Managers, strategists, and risk teams to ensure outputs align with investment intent and market reality


• Partnering with investment professionals to clarify requirements, assumptions, and use cases throughout development


• Documenting models, methodologies, assumptions, and limitations clearly and comprehensively


• Explaining complex technical outputs to non‑technical stakeholders in a clear and actionable manner

Who we’re looking for

• Strong ability to translate investment products, portfolios, and constraints into robust, production‑grade analytical systems


• Excellent data skills, with deep expertise in SQL, data structures, and data processing workflows


• Proven experience with modern software engineering practices, including version control, testing, and code reviews


• Demonstrated commitment to building resilient, well‑engineered software, supported by excellent Python development skills


• Solid understanding of how analytical outputs are used within the investment management and decision‑making process


• Ability to communicate complex analytical concepts and issues clearly to a broad range of stakeholders


• A collaborative mindset with willingness to work closely and in person with quants, portfolio managers, and engineers, spending at least 2–3 days per week in our central London office


• Capability to deliver complex coding initiatives that enhance and scale the multi‑asset investment toolkit

Benefits

• The opportunity to participate in our annual, performance -related bonus plan and valuable share schemes


• Generous pension contribution


• Life assurance


• Healthcare Plan (permanent employees only)


• At least 25 days holiday, plus public holidays, 26 days after 2 years’ service.


• There’s also the option to buy and sell holiday


• Competitive family leave


• Participate in our electric car scheme, which offers employees the option to hire a brand-new electric car through tax efficient salary sacrifice (permanent employees only)


• There are many discounts we offer – both for our own products and at a range of high street stores and online

#LI-NH1

Additional Information

At L&G, we believe it's possible to generate positive returns today while helping to build a better future for all. If you join us, you’ll be part of a welcoming, inclusive culture, with opportunities to collaborate with people of diverse backgrounds, views, and experiences. Guided by leaders with integrity who care about your future and wellbeing. Empowered through initiatives which support people to develop their careers and excel. We care passionately about outcomes rather than attendance and are therefore open to discussing all kinds of flexible working options including part-time, term-time and job shares. Although some roles have limited flexibility due to customer demand, we accommodate requests when we can. It doesn’t matter if you don’t meet every single criterion in this advert. Instead, think about what you excel at and what else you can bring in terms of strengths, potential and connection to our purpose.