Principal Python Software Engineer

Principal
CompanyCSC Cboe Services Company
LocationLondon, United Kingdom
CategorySoftware Engineering
SeniorityPrincipal
Workplace-
Posted2026-08-24
Estimated salary£9K - £14K (a market estimate, not the employer's figure)
Viaworkday

Description

Job Description

Building trusted markets – powered by our people.

At   Cboe   Europe, we inspire our people to solve complex challenges together because what we do matters. We provide   the financial   infrastructure that powers the global economy. As a leading provider of market infrastructure and tradable products,   Cboe   delivers   cutting-edge   trading, clearing and investment solutions to market participants around the world.

We’re   building inclusive ways to support professional and personal development while strengthening the trust   we’ve   earned as a global market leader. Our teams are empowered to share ideas, actively pursue   them   and bring on a challenge. As champions of internal mobility and access to opportunity, we encourage our people to “go for it” and equip our managers with the training to coach their teams to the next level. Our Associate Resource Groups champion diversity,   equity   and inclusion, giving associates a safe space to network, share ideas and create opportunities.

Sound   like   the   place for you? Join us!

Cboe   Europe is seeking a   Principal   Python Software Engineer. As part of a small, talented development team, you will help build and expand the   data pipeline and event streaming   functionality of the largest equities exchange in Europe , as well as our   trade reporting facility   and other platforms .   We are firm believers in the value of testable, maintainable code , pair   programming   and software craftsmanship ; as we expand and grow our product suite, we need a n experienced engineer with strong leadership skills   to help us grow.

To support strong partnership and team connection, this role follows a four day in office work model.

Location:   London, UK

Role Overview/ Your responsibilities will be:

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Work ing   closely with our business development and sales teams to develop innovative new products and features for our exchanges.

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Design ing   and build ing   highly reliable , highly testable Python systems to support   Cboe   Europe’s   trading   operations.

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Lead ing   complex projects including:

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Meet regularly with team members and management to discuss project progress and operational correctness/efficiency.

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Manage   the   involve ment of developers across   multiple   Cboe   systems and/or other developers both in   Europe   and the United States.

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Participate in various R&D projects to   identify   and implement promising   new technologies .

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Provid ing   mentoring for other developers (worldwide when   necessary).

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Lead ing   others in   debugging of   complicated engineering and operational problems.

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Prov id ing   operational support for   Cboe   Europe’s   trading systems   by   participating   in a production support   rota , responding to incidents in line with   Cboe’s   Incident Management and Response processes, and contributing to   post-mortem analyses   and follow-up actions.

The ideal candidate has  :

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Expert   Python knowledge

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A commitment to writing testable, maintainable code.

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Proficiency   with advanced SQL techniques.

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Deep   Linux knowledge

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Solid   knowledge of algorithms and data structures.

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Degree in Computer Science or related field preferred.

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Highly preferred: Experience with TDD, BDD or other testing methodologies

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Preferred: Familiarity with PostgreSQL   and Snowflake

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Preferred: Familiarit y with   Web Frameworks such as Django,   Flask   or   FastAPI

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Preferred: Familiarit y with   event streaming platforms such as Apache Kafka

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Preferred:   Familiarity with   data pipeline platforms such as Apache Airflow

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Preferred: Familiarity with   Java

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Preferred: Experience in one or more relevant financial areas (market data, order management, algorithmic trading, financial systems integration, compliance, etc.)

Benefits and Perks

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We value the total wellbeing of our people – including health, financial,   personal   and social wellness. We believe standard benefits like health insurance and fair pay are   a given   at   any organization. Still, you should know we offer:

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Fair and competitive salary and incentive compensation packages with an upside for overachievement

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Comprehensive private medical insurance for employees and their families which includes dental cover (taxable benefit)

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Cboe   pays for employee access to a private GP service (face to face or phone call consultations) to make it easy and convenient for you to see a doctor

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Life and   long term   illness insurance for stability and peace of mind

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EAP - This   service intends to help employees deal with personal problems that might   adversely impact   their work performance,   health   and well-being. This service includes short- term counselling and referral services for employees and their immediate family.

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Enhanced paid parental and adoption leave to support parents

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Cboe   offers pensions contribution up to 7% of base salary. You   don’t   have to   contribute   yourself.

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ClassPass   Corporate   Membership which   provides access to on-demand classes, livestream classes, in-person classes and wellness sessions across different fitness genres. (taxable benefit)

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25 days holiday per year   per holiday year for full time employees, increasing with length of service at a rate of one extra day per completed years’ service, up to a maximum of 30 days.

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Discounted Employee Stock Purchase Plan

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Employee referral bonus program

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Complimentary lunch,   snacks   and drinks in any   Cboe   office

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Paid tuition   assistance   and education opportunities

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Generous charitable giving company match

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Volunteer opportunities to help you give back to your communities

#LI-HL

Any communication from Cboe regarding this position will only come from a Cboe recruiter who has a @cboe.com email or via LinkedIn Recruiter. Cboe does not use any other third party communication tools for recruiting purposes.