Python Developer SQL - Market Data

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

Benefits offered by this job

Bonus

Pension

Self development opportunities

Job summary

Client Server Ltd. in London is seeking a Python Developer / Engineer (SQL ETL) to join a Hedge Fund building a modern medallion data platform architecture. This hands-on role offers ownership and impact within a collaborative small team.

You will design Python components, develop ETL pipelines and distributed systems, and work across data engineering, infrastructure and frontend. Strong stakeholder management and a track record in data-intensive environments are highly valued.

Qualifications

• Backend development with Python
• Experience with financial or market data
• Experience designing and operating data-intensive distributed systems
• Strong knowledge of relational, NoSQL and columnar databases
• Ownership of full development lifecycle and stakeholder management

Responsibilities

• 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

Education

MSc in STEM

2:1 in STEM discipline

Job description

London, Greater London | £120k - £150k per year

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