Python Developer

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Python Developer

Location: London, United Kingdom (Partial remote 2-3 days onsite)

Employment Type: Inside IR35 Contract

Rate: 60 GBP per hour

Duration: One year contract with extensions

Role Overview

We are seeking a Python Developer to join a front-office team at a leading financial institution. This role involves designing and implementing backend software solutions for a globally distributed platform within the structured notes domain. The position requires close collaboration with quant, sales, and trading teams to deliver business-critical applications in a dynamic environment.

Key Responsibilities

  • Design and implement backend Python software solutions within the structured notes domain.
  • Collaborate on a React UI application, ensuring clean API contracts and integration with backend services.
  • Work in close collaboration with Quants, Sales, Trading, and other technology teams.
  • Contribute to system design and architecture decisions for a globally distributed front-office platform.
  • Play an active role in defining and evolving development best practices within the team.
  • Collaborate with sales and structuring to ensure alignment with business requirements.
  • Provide production support for critical front-office systems, including issue diagnosis and remediation.

Required Qualifications

Experience:

  • Proven programming experience with Python, demonstrating a strong engineering background.
  • Working experience in global markets, preferably in a desk-aligned or front-office role.
  • Experience delivering business-critical applications in fast-paced, high-pressure environments.
  • Typically 5+ years of experience, with a focus on the quality of engineering experience.

Technical Skills:

  • Hands-on experience with automated testing, mocking frameworks, and CI/CD pipelines.
  • Experience with the design and implementation of JSON RESTful APIs, including versioning and backward compatibility.
  • Strong understanding and exposure to object-oriented practices and principles.

”, “datePosted”: “2026-05-09”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Apex Systems”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__428112351__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=4” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “London” } } }
Company: Apex Systems
Apply for the Python Developer
Location: London
Job Description:

Python Developer

Location: London, United Kingdom (Partial remote 2-3 days onsite)

Employment Type: Inside IR35 Contract

Rate: 60 GBP per hour

Duration: One year contract with extensions

Role Overview

We are seeking a Python Developer to join a front-office team at a leading financial institution. This role involves designing and implementing backend software solutions for a globally distributed platform within the structured notes domain. The position requires close collaboration with quant, sales, and trading teams to deliver business-critical applications in a dynamic environment.

Key Responsibilities

  • Design and implement backend Python software solutions within the structured notes domain.
  • Collaborate on a React UI application, ensuring clean API contracts and integration with backend services.
  • Work in close collaboration with Quants, Sales, Trading, and other technology teams.
  • Contribute to system design and architecture decisions for a globally distributed front-office platform.
  • Play an active role in defining and evolving development best practices within the team.
  • Collaborate with sales and structuring to ensure alignment with business requirements.
  • Provide production support for critical front-office systems, including issue diagnosis and remediation.

Required Qualifications

Experience:

  • Proven programming experience with Python, demonstrating a strong engineering background.
  • Working experience in global markets, preferably in a desk-aligned or front-office role.
  • Experience delivering business-critical applications in fast-paced, high-pressure environments.
  • Typically 5+ years of experience, with a focus on the quality of engineering experience.

Technical Skills:

  • Hands-on experience with automated testing, mocking frameworks, and CI/CD pipelines.
  • Experience with the design and implementation of JSON RESTful APIs, including versioning and backward compatibility.
  • Strong understanding and exposure to object-oriented practices and principles.

Posted: May 9th, 2026