Python Developer SQL - Market Data

Client Server; Greater London; On-site; GBP 120,000 - 150,000; Full time

Benefits offered by this job

Bonus

Pension

Self development and career growth

Job summary

Client Server is seeking a Python Developer with SQL expertise to join a hedge fund-backed data platform in London. You will build data pipelines, ETL processes, and distributed systems while owning components end-to-end.

The role emphasizes backend Python, data engineering, and modern data platforms with strong collaboration across stakeholders. Office-based in London, with a competitive bonus and pension offering.

Qualifications

• Strong backend development experience with Python.
• Experience with financial or market data.
• Designing and operating data-intensive, distributed systems.
• Solid knowledge of Relational, NoSQL and Columnar databases.
• Ability to own the full development lifecycle across projects.
• Collaborative, pragmatic with stakeholder management skills.
• STEM degree with at least a 2.1; MSc likely.

Responsibilities

• Design and build data platform components with Python.
• Develop and optimise ETL pipelines, Data Lakes/Lakehouses and distributed systems.
• Improve infrastructure, observability and CI/CD practices.
• Maintain and evolve microservices and Excel add-ins.
• Support platform operations ensuring reliability and performance.

Skills

Python

SQL

ETL

Data Lakes

Distributed systems

CI/CD

Backend development

Databases

Education

2.1 STEM degree

MSc

Tools

Excel

Job description

Python Developer SQL - Market Data (PR/100920) London, England

Salary: GBP120000 - GBP150000 per annum + bonus + benefits

Python Developer / Engineer (SQL ETL) London to £150k+

Are you a data savvy Python Developer?

You could be joining a Hedge Fund with complex work and substantial bonus earning potential.

As a Python Developer you will join a growing team building a modern medallion architecture data platform, working across everything from data engineering and distributed systems to infrastructure and frontend. This is a hands‑on role in a small, collaborative team where you'll have real ownership and impact.

Your role:

• Design and build data platform components using Python
• Develop and optimise ETL pipelines, Data Lakes / Lakehouses and distributed systems
• Improve infrastructure, observability and CI/CD practices
• Maintain and evolve existing systems (microservices, ETL, Excel add-ins)
• Support platform operations, ensuring reliability and performance

Location / WFH:

You'll join colleagues in the impressive Central London office on a fulltime basis, Monday to Friday.

About you:

• You have strong backend development experience with Python
• You have experience of working with financial or market data
• You have experience of designing and operating data-intensive and distributed systems
• You have a strong knowledge of databases (Relational, NoSQL and Columnar)
• You're keen to take ownership and work across the full development lifecycle
• You're collaborative and pragmatic with strong stakeholder management skills
• You have achieved a 2.1 or above in a STEM discipline, likely to have studied to MSc

What's in it for you:

• Salary to £150k
• Bonus
• Pension
• Self development and career progression opportunities