Python Developer Sql - Market Data

Client Server; Greater London; On-site; GBP 125,000 - 150,000; Full time

Benefits offered by this job

Bonus

Pension

Self development opportunities

Job summary

Client Server in London, England, is seeking a Python Developer focused on market data and SQL ETL to build a modern data platform.

You will design and optimise data pipelines, contribute to distributed systems, and own components end-to-end in a small, collaborative team with real impact. Competitive salary and strong bonus potential. Full-time, on-site in Central London.

Qualifications

• Strong backend development experience with Python.
• Experience with financial or market data.
• Designing and operating data‑intensive and distributed systems.
• Strong knowledge of relational, NoSQL and columnar databases.
• Ownership across the full development lifecycle and stakeholder management.
• STEM degree with 2.1 or MSc recommended.

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.

Skills

Python

SQL

ETL

Distributed systems

CI/CD

Data pipelines

Databases

Education

2.1 in STEM or MSc

Tools

Relational databases

NoSQL databases

Columnar databases

Job description

Python Developer SQL - Market Data Client Server London, England

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
• Full‑time

You will play a key role in developing high‑performance backend systems and integrations that process and distribute real‑time financial market data.