Tech Lead – Trading Sub Ledger

Oxford Knight; Greater London; On-site; GBP 120,000 - 160,000; Full time

Job summary

Oxford Knight in London is seeking a hands-on Tech Lead to build a real-time sub-ledger system powering firm-wide P&L and trade journals. You will lead a small team at the intersection of post-trade infrastructure and distributed systems.

The role emphasizes system design, performance, production readiness, and close collaboration with trading, finance, and engineering to align priorities.

Qualifications

• 8+ years of building mission-critical systems in finance.
• Experience with real-time distributed systems, P&L reporting, and position management.
• Strong programming skills in Java.
• Leadership experience in high-performance technical teams.

Responsibilities

• Lead a small team delivering low-latency, high-throughput post-trade systems
• Design and implement scalable, event-driven architectures
• Drive system design, performance, and production readiness
• Collaborate with trading, finance, and engineering to align priorities and outcomes

Skills

Java

Real-time distributed systems

P&L reporting

Position management

Leadership

Job description

Location: London
Team: Post-Trade Engineering

A leading global trading firm is seeking a hands-on Tech Lead to build a real-time sub ledger system powering firmwide P&L and trade journals. This is a high-impact role at the intersection of post-trade infrastructure, distributed systems and financial data.

What You’ll Do

• Lead a small team delivering low-latency, high-throughput post-trade systems
• Design and implement scalable, event-driven architectures
• Drive system design, performance, and production readiness
• Collaborate with trading, finance, and engineering to align priorities and outcomes

Hard Requirements

• 8+ years’ building mission-critical systems in finance
• Experience with real-time distributed systems, P&L reporting, position management
• Strong programming skills in Java
• Leadership experience in high-performance technical teams

Whilst we carefully review all applications, to all jobs, due to the high volume of applications we receive it is not possible to respond to those who have not been successful.