Software Engineer Python 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 as growth

Job summary

Client Server in London is seeking a Software Engineer / Developer (Python SQL) to join a hedge fund-backed data platform project. You will contribute across data engineering, distributed systems, and infrastructure, ensuring ownership and impact within a small collaborative team.

The role emphasizes hands-on development with Python, ETL pipelines, and modern data platform components, with strong emphasis on reliability and performance.

Qualifications

• Backend development with Python and SQL on data platforms.
• Experience with financial/market data is required.
• Ability to design and operate distributed data-intensive systems.

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

Data pipelines

Distributed systems

Databases

Stakeholder management

Full lifecycle ownership

Backend development

Education

2.1 in STEM or MSc

Tools

CI/CD

Job description

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

Are you a data savvy Software Engineer with strong Python coding skills?

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

As a Software Engineer 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:

As a Software Engineer / Developer (Python SQL) you will receive a competitive package:

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