- Company: Selby Jennings London
- Location: London, UK
- Salary: Pay not listed
Selby Jennings London at a glance
PYTHON SOFTWARE ENGINEER | QUANT TRADING — Selby Jennings London, UK
About the Role
This role is for a Python Software Engineer to join a technology-driven trading firm in London. The successful candidate will be part of a growing team developing and running systematic and market-making strategies across multiple asset classes using a sophisticated in-house technology platform.
Your Responsibilities
- Develop, maintain, and optimize high-performance Python code for real-time pricing, execution, and risk management systems.
- Collaborate with cross-functional teams to design and implement robust solutions for complex trading strategies.
- Contribute to the continuous improvement of the in-house technology platform by identifying and addressing technical challenges.
- Ensure compliance with best practices in software development, including code reviews and documentation.
What You Bring
- A minimum of 3 years of experience as a Python Software Engineer or similar role.
- Strong proficiency in Python programming language, along with knowledge of related libraries and frameworks.
- Experience working on high-frequency trading systems or other performance-critical applications is highly desirable.
- Excellent problem-solving skills and ability to work independently within a team environment.
About the Company
Selby Jennings London is a technology-driven trading firm operating across global financial markets. Their in-house technology platform supports systematic and market-making strategies, enabling real-time pricing, execution, and risk management for multiple asset classes. The company values innovation and collaboration, fostering an environment where engineers can contribute to the development of cutting-edge trading solutions.
Next Steps
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Explore Selby Jennings London online
Working in London, UK
Weather right now in London, UK: checking… · Local time: · Air quality: · Daylight: · UV index: · Wind: · Pollen:
London is the capital and largest city of England and the UK, with about 9.1 million residents and a wider metro of roughly 15.4 million—the largest in Western Europe. It sits on the River Thames in southeast England. England covers most of Great Britain and borders Scotland and Wales.
England is a country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and more than 100 smaller adjacent islands. England shares a land border with Scotland to the north and another land border with Wales to the west, and is surrounded by the North Sea to the east, the English Channel to the south, the Celtic Sea to the south-west, and
🇬🇧 Relocation safety for United Kingdom: Exercise Normal Caution — via Warnely, CC BY 4.0
National unemployment rate in United Kingdom: 4.7% — via World Bank
GDP per capita in United Kingdom: $57,602 — via World Bank
Consumer price inflation in United Kingdom: 3.9% (annual) — via World Bank
Real GDP growth in United Kingdom: 1.4% (annual) — via World Bank
Average hours worked per year in United Kingdom: 1,533 — via OECD
Locally, the most commonly reported issue recently was Other theft — via UK Police data
Median full-time annual pay in London: £44,370 — via ONS ASHE
- Elevation 18m (59 ft)
Source: Wikipedia (state)
About this role & career path
Python software engineering builds core product and platform features. Growth often runs from engineer to senior or staff tracks, with depth in APIs, data, or backend systems.
Build the skills for this role
Free and low-friction paths that match this Software Developers family:
- freeCodeCamp — Full Stack curriculum (free)
- Saylor Academy — Computer Science courses (free)
- CS50 (Harvard, via edX) (free to learn)
- Microsoft Learn — developer training paths (free to learn)
Free & low-cost learning resources
- freeCodeCamp — Full Stack curriculum (free)
- Saylor Academy — Computer Science courses (free)
- CS50 (Harvard, via edX) (free to learn)
- Microsoft Learn — developer training paths (free to learn)
Be ready for Python coding (data structures, APIs), system design at a modest scale, testing habits, and clear talk-throughs of past production work. Expect questions on debugging and collaboration in London time-zone teams.
Strong fit if you ship clean Python, like backend or full-stack delivery, and want an on-site/hybrid London role listed via Selby Jennings—not a remote-first post.
Job details above are provided by the employer/source. The sections on this page are compiled from public data sources with AI assistance.
Accommodations: if you need a workplace accommodation to apply for or perform this job, see ADA.gov or EEOC.gov for guidance on your rights and how to request one.
Listing facts
- Role Python Software Engineer
- Employer Selby Jennings London
- Location London, UK
- Type Full Time
- Pay (from listing) Pay not listed
- Posted August 12, 2026
- Apply by September 11, 2026
- Country United Kingdom
- Overview Full job description on this page (253 words)
Facts above come from this job record on Get A Job.AI — not copied from third-party review sites.
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Occupation family: Python Software Engineer
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