Quantitative Developer - Market Data

JR United Kingdom; London; On-site; GBP 80,000 - 120,000; Full time

Job summary

A rapidly scaling unicorn is seeking a talented Quantitative Developer for their Market Data team in London. You will play a key role in driving the market data strategy, enhancing product and infrastructure development, and contributing to improvements in data ingestion and query systems.

Qualifications

• 5+ years of experience building large-scale or low-latency systems.
• Strong background in market data or trading infrastructure.
• Excellent communication skills and a collaborative mindset.

Responsibilities

• Drive the development of the firm's market data roadmap.
• Build and optimise data ingestion and query systems.
• Integrate new pricing data sources into the platform.

Skills

Python

Market Data

Low-latency systems

Asyncio

Kafka

Time-series databases

Education

Degree in Computer Science, Mathematics, or related field

Job description

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Quantitative Developer - Market Data, London

Client: Selby Jennings

Location: London, United Kingdom

Job Category: Other

EU work permit required: Yes

Job Views: 3

Posted: 10.06.2025

Expiry Date: 25.07.2025

Job Description:

Our client, a rapidly scaling unicorn, is seeking a talented Quantitative Developer to join their Market Data team in London. This is a unique opportunity for an experienced Software or Quantitative Developer to play a key role in shaping the organisation's market data strategy.

You will contribute to both product and infrastructure development, enhancing the firm's data ingestion and query frameworks. Your work will focus on improving functionality, performance, scalability, robustness, and usability across the platform.

Key Responsibilities:

• Drive the development of the firm's market data roadmap.
• Contribute to both product features and core infrastructure enhancements.
• Build and optimise data ingestion and query systems.
• Integrate new pricing data sources into the platform.
• Develop UI and visualisation tools to improve transparency and control of market data systems.

Requirements:

• 5+ years of experience building large-scale or low-latency systems at a top-tier firm.
• Strong background in market data or trading infrastructure.
• Proficiency in Python, with the ability to write robust, maintainable, and high-performance production code.
• Solid understanding of asyncio, Kafka, and time-series databases.
• Degree (BSc or higher) in Computer Science, Mathematics, or a related field.
• Excellent communication skills and a collaborative mindset.