Lead C++/Java Engineer - Low-Latency FX Trading

London Stock Exchange Group; Greater London; On-site; GBP 120,000 - 180,000; Full time

Job summary

London Stock Exchange Group invites a Lead Software Engineer to design, build, and operate mission-critical FX matching platforms using C++ and Java. You will focus on low-latency, high-throughput distributed systems and own technical delivery for key components.

You will collaborate with Product, QA, SRE, and Architecture teams to translate business requirements into robust technical solutions, mentor peers, and help evolve platform standards and engineering patterns.

Qualifications

• Bachelor's degree required in CS/Engineering or equivalent.
• 10+ years of software engineering experience.
• Experience delivering low-latency, high-throughput distributed systems.
• Proven FX, trading, or matching platform delivery.

Responsibilities

• Design, develop, and maintain C++ and Java services for FX matching.
• Own delivery for key platform components with architectural alignment.
• Build low-latency, high-availability systems handling large volumes.
• Collaborate with Product, QA, SRE, and Architecture teams.
• Provide mentoring and code reviews across teams.

Skills

C++

Java

Distributed systems

Low latency

Education

Bachelor's degree in Computer Science, Engineering, or equivalent

Tools

Linux

CI/CD pipelines

Build systems

Job description

London Stock Exchange Group invites a Lead Software Engineer to design, build, and operate mission-critical FX matching platforms using C++ and Java. You will focus on low-latency, high-throughput distributed systems and own technical delivery for key components.

You will collaborate with Product, QA, SRE, and Architecture teams to translate business requirements into robust technical solutions, mentor peers, and help evolve platform standards and engineering patterns.