Post-Trade Java Engineer: Scale Trading Platforms & AI

Selby Jennings; City Of London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Selby Jennings in London and New York is seeking a Software Engineer to design and scale platforms that support the complete trade lifecycle across multiple asset classes and international markets.

This role involves solving complex engineering challenges at scale for trade matching, clearing, settlement and reconciliation, and contributing to post-trade data platforms, analytics, and AI-driven initiatives.

Qualifications

• Experience with Java and/or Python in production environments.
• Strong understanding of distributed systems and modern software design.

Responsibilities

• Design and develop mission-critical software powering end-to-end trade lifecycle.
• Build scalable post-trade platforms for clearing, settlement, and reconciliation.
• Develop tech for cash/margin management, trading fees, and corporate actions.
• Create data-intensive applications, analytics, and business tooling.
• Leverage AI/automation to improve operational efficiency and decision making.
• Collaborate with global teams to define architecture and deliver innovative solutions.
• Enforce best practices in software engineering and platform scalability.

Skills

Java

Python

Distributed systems

System design

Data-intensive apps

AI/ML interest

Job description

Selby Jennings in London and New York is seeking a Software Engineer to design and scale platforms that support the complete trade lifecycle across multiple asset classes and international markets.

This role involves solving complex engineering challenges at scale for trade matching, clearing, settlement and reconciliation, and contributing to post-trade data platforms, analytics, and AI-driven initiatives.