Lead Java Engineer - Low-Latency Trading Systems

JPMorgan Chase & Co.; Greater London; On-site; GBP 120,000 - 180,000; Full time

Job summary

JPMorgan Chase & Co. in London seeks a Lead Software Engineer to join Digital Markets Execution Technology.

You will act as a core technical contributor, delivering trusted market-leading technology products with security, scalability, and reliability at the forefront. You will oversee end-to-end software solutions for trading systems, mentor engineers, and drive AI-assisted engineering practices across the SDLC, in a globally distributed environment.

Qualifications

• Formal training or certification on software engineering concepts and advanced applied experience in Java.
• Hands-on practical experience delivering system design, application development, testing, and operational stability for mission-critical platforms.
• Advanced in one or more programming languages, with deep hands-on expertise in Java (17+), including concurrency, memory management, and object-oriented design.
• Demonstrated experience designing clean APIs and rollout strategies for distributed systems (including integration and backward compatibility considerations)
• Practical experience with Spring/Spring Boot, microservices, Kubernetes, Linux, and core networking/messaging concepts
• Proficient in all aspects of the Software Development Life Cycle, including CI/CD, automated testing practices, application resiliency, and security
• Demonstrated experience leading effective use of enterprise-approved AI-assisted software development tools with the ability to set team expectations for validating AI outputs for correctness, performance, and security
• Strong understanding of responsible AI use in engineering workflows, including data sensitivity considerations and secure handling of inputs/outputs, aligned to resiliency and security expectations
• Effective communication with technical and non-technical audiences; ability to operate in globally distributed teams

Responsibilities

• Executes and oversees end-to-end software solutions, engineering standards, architecture, and technical troubleshooting for trading systems
• Designs and builds high-performance, latency-sensitive services with awareness of upstream/downstream system dependencies
• Develops secure and high-quality production code, and reviews and debugs code written by others
• Leads technical analysis, estimation, planning, code reviews, architecture sessions, and retrospectives to drive delivery outcomes
• Establishes reliability goals and implements observability, resilience patterns, and operational readiness practices
• Leads incident response and post-incident reviews to improve production stability and performance; identifies recurring issues and drives automation/remediation
• Upholds secure-by-default engineering practices and risk/control standards across the SDLC
• Guides integration contracts, API/versioning strategies, and deprecation paths for platform services
• Drives team adoption of enterprise-approved AI-assisted engineering practices across the SDLC toolchain to improve code quality, delivery speed, and operational outcomes, while setting validation standards for correctness, performance, and security
• Mentors engineers and contributes to a culture of inclusion, respectful collaboration, and continuous improvement aligned to measurable outcomes

Skills

Java programming

APIs design

CI/CD

Distributed systems

Team leadership

AI-assisted engineering

Education

Software engineering certification

Tools

Spring Boot

Kubernetes

Linux

MQ/Kafka

Job description

JPMorgan Chase & Co. in London seeks a Lead Software Engineer to join Digital Markets Execution Technology.

You will act as a core technical contributor, delivering trusted market-leading technology products with security, scalability, and reliability at the forefront. You will oversee end-to-end software solutions for trading systems, mentor engineers, and drive AI-assisted engineering practices across the SDLC, in a globally distributed environment.