Python Core Developer – Middle Office – London

Oxford Knight; London; On-site; GBP 200,000 - 250,000; Full time

Job summary

A fintech company seeks a Core Developer to create a high-performance automated trade reconciliation system. This role offers the opportunity to work in a dynamic, meritocratic environment, leveraging Python and SQL skills to manage vast transaction volumes while collaborating with senior tech leadership.

Qualifications

• At least 2 years of experience with Python and SQL databases.
• Understanding of Linux environment.
• Experience with reconciliation, risk, or middle office systems is desirable.

Responsibilities

• Build an automated trade reconciliation system handling high-performance reconciliation of up to 100M transactions daily.
• Work closely with senior members, including the CTO.

Skills

Python

SQL

Linux

Interpersonal Skills

Job description

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Client:

Oxford Knight

Location:

London, United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

f707d466a865

Job Views:

5

Posted:

29.05.2025

Expiry Date:

13.07.2025

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Job Description:

Salary : £200 – 250k

Company

This fintech is an international global algorithmic market maker in digital assets. They aim to transform Crypto Markets by offering liquidity to trading platforms and exchanges. Essentially, ‘HFT meets Crypto’. They trade more than $5B+/day across dozens of trading platforms.

Their meritocratic environment allows you to be judged solely on your contributions, fostering accountability and tangible impacts. The role combines expert tech and trading skills from traditional financial markets with the fast-paced nature of a tech start-up.

Role

As a Core Developer, you will build an automated trade reconciliation system. This greenfield project involves working closely with senior members, including the CTO. The system will handle high-performance reconciliation of up to 100M transactions daily. Proficiency in Python is essential; the company operates on Linux, and the solution will be developed in Python interfacing with a C++ stack.

Requirements :

• At least 2 years of experience with Python and SQL databases.
• Understanding of Linux environment.
• Experience with reconciliation, risk, or middle office systems is desirable.
• Passion for technology and financial markets.
• Excellent interpersonal skills suited for a collaborative environment.