Senior Software Engineer, Data Engineering

London - UK

Monthly Salary: Not Disclosed

Posted on: Yesterday

Vacancies: 1 Vacancy

Job Summary

Job Description

Senior Software Engineer (Contract) Market Data

Inside IR35 500-575 per day (flexible) Hybrid London

A leading global investment management firm is seeking Senior Software Engineers (Contract) to join its Market Data Platform team on a high-impact engagement. This is a critical hire with the opportunity to step into a highly visible area of the business where performance scale and reliability truly matter.

This team sits at the heart of a systematic trading environment responsible for ingesting and processing vast volumes of real-time market data through direct exchange connectivity. The platform operates at extreme scale - handling 1520 billion data points per day with peak rates of over 1 million events per second - and accuracy is non-negotiable.

Two contract roles are available making this an excellent opportunity for experienced contractors who can hit the ground running.

The Role

Design build and optimise components of a high-throughput market data platform
Work across Java (primary) and Python in a performance-critical environment
Improve and modernise older parts of the stack with a focus on scalability and latency
Partner closely with Data Management teams and Quant Traders within the systematic trading business
Contribute to the ongoing expansion of a specialist market data engineering function

Required Experience

Strong commercial experience in Java (essential)
Solid Python development experience
Background in market data trading systems or low-latency / high-performance platforms (highly desirable)
Experience working with large-scale real-time data systems
Comfortable operating in fast-paced high-stakes environments

Contract Details

Rate: 500-575 per day (Inside IR35 some flexibility for the right candidate)
Location: Hybrid 3 days per week onsite in the City of London.
Start: ASAP
Contract type: Senior-level contractor engagement

Interview Process

30-minute introductory discussion with the hiring manager
1-hour technical / programming interview with a team member
Possible final 30-minute follow-up
(at least 1 interviews conducted in person)

Required Experience:

Senior IC

Job DescriptionSenior Software Engineer (Contract) Market DataInside IR35 500-575 per day (flexible) Hybrid LondonA leading global investment management firm is seeking Senior Software Engineers (Contract) to join its Market Data Platform team on a high-impact engagement. This is a critical hire...