cover image
Jefferies

Python Quant Developer

On site

London, United Kingdom

Full Time

14-04-2025

Job Specifications

Job Description

The position is for a Quant Developer (Python) who will be part of Quant Development Technology team, directly supporting the Front Office Algorithmic Trading offering of a leading Financial Services firm.

The work assignments will include playing a lead role in developing our python infrastructure and enhancing our offering to an enterprise level. Will include working alongside the quantitative teams on the bond trading algo, ETF Trading, Portfolio Trading, and risk management, along with general business in development of tools and analysis for traders and sales on projects based around our trading and sales systems.

We are a results-oriented group looking for a self-motivated, detail-oriented person with strong communication skills, strong analytical and problem-solving skills, a good work ethic, and an interest in being part of a team environment supporting a fast-paced and dynamic organization.

Key Responsibilities

Development and enhancement of our python offering, including library, microservices and core development
Helping trading desks build tools to better make decisions
Work alongside quants and mentor junior python developers
To provide 2nd level support as needed

The following skills and experience are required for this role:

Strong low-latency python programming experience
5+ yrs Python software engineering experience in a commercial/financial environment.
Experience with databases preferred (preferably PostgreSQL)
Strong analytical, verbal, and written communication skills
Willing to learn new programming languages and technologies
Ability to work well with both business managers, traders and developers
Ability to learn and adapt quickly and excellent problem-solving skills

Technical:

Five years Python core development experience working in an enterprise environment.
Experience in creating libraries, restful services, websockets
Libraries: Polars, Pandas, AMPS, Asyncio, Threading, multiprocessing
Two years’ experience SQL Databases (PostGreSQL desirable) – preferred but not essential

Strong differentiators:

Previous Quant Dev experience
Experience with Redis, Fast API, Dash, Streamlit, Rust
Experience with Ion Trading platform
A background in Data Science or related engineering field
Knowledge of Algo, ETF or Portfolio trading
Exposure to AWS
Linux (Red Hat Enterprise)
Some knowledge of Javascript and React framework

Business

Previous experience working for a Financial Services firm.
Previous experience working in the Front Office.
Fixed Income Credit & Rates Bond / Repo trading system experience a plus

About Us

Jefferies Financial Group Inc. (‘‘Jefferies,’’ ‘‘we,’’ ‘‘us’’ or ‘‘our’’) is a U.S.-headquartered global full service, integrated investment banking and securities firm. Our largest subsidiary, Jefferies LLC, a U.S. broker-dealer, was founded in the U.S. in 1962 and our first international operating subsidiary, Jefferies International Limited, a U.K. broker-dealer, was established in the U.K. in 1986. Our strategy focuses on continuing to build out our investment banking effort, enhancing our capital markets businesses and further developing our Leucadia Asset Management alternative asset management platform. We offer deep sector expertise across a full range of products and services in investment banking, equities, fixed income, asset and wealth management in the Americas, Europe and the Middle East and Asia.

At Jefferies, we believe that diversity fosters creativity, innovation and thought leadership through the infusion of new ideas and perspectives. We have made a commitment to building a culture that provides opportunities for all employees regardless of our differences and supports a workforce that is reflective of the communities where we work and live. As a result, we are able to pool our collective insights and intelligence to provide fresh and innovative thinking for our clients.

Jefferies is an equal employment opportunity employer, and takes affirmative action to ensure that all qualified applicants will receive consideration for employment without regard to race, creed, color, national origin, ancestry, religion, gender, pregnancy, age, physical or mental disability, marital status, sexual orientation, gender identity or expression, veteran or military status, genetic information, reproductive health decisions, or any other factor protected by applicable law. We are committed to hiring the most qualified applicants and complying with all federal, state, and local equal employment opportunity laws. As part of this commitment, Jefferies will extend reasonable accommodations to individuals with disabilities, as required by applicable law.

About the Company

Jefferies is a leading global, full-service investment banking and capital markets firm that provides advisory, sales and trading, research and wealth and asset management services. With more than 40 offices around the world, we offer insights and expertise to investors, companies and governments. More about our company can be found at www.jefferies.com. Know more

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