Python Software Engineer — Post-Trade Automation

Ncounter Limited; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading investment firm in the United Kingdom is seeking a Software Developer focused on post-trade automation. The role involves designing and delivering high-performance components for post-trade workflows, improving system reliability, and optimising data flows. Candidates should have a strong background in Python, experience with PostgreSQL, and knowledge of trade booking systems. This position offers the chance to work in a deeply technical environment and take ownership of critical production systems.

Qualifications

• 5 years of Python engineering experience in trading or post trade domains.
• Proven experience in building data intensive services.
• Background in trade booking and FIX protocol integration.
• Ability to design scalable and high availability architectures.

Responsibilities

• Design and deliver components that automate post trade workflows.
• Improve reliability and optimise data flows.
• Shape the architecture for advanced trading environments.

Skills

Python engineering in trading or post trade domains

Building data intensive services

Working with PostgreSQL and data frame tooling

Designing scalable architectures

Debugging, profiling and optimisation

Education

Strong Computer Science background

Tools

C++

Spark

Kafka

Job description

A leading investment firm in the United Kingdom is seeking a Software Developer focused on post-trade automation. The role involves designing and delivering high-performance components for post-trade workflows, improving system reliability, and optimising data flows. Candidates should have a strong background in Python, experience with PostgreSQL, and knowledge of trade booking systems. This position offers the chance to work in a deeply technical environment and take ownership of critical production systems.