Lead Python/Java Engineer – AI for Equity Derivatives

JPMorgan Chase & Co.; Greater London; On-site; GBP 100,000 - 150,000; Full time

Job summary

JPMorgan Chase & Co. in London/Greater London is seeking a Lead Software Engineer to design, build, and operate secure, scalable financial software within Markets Technology.

You will own production outcomes, drive architecture decisions, and advance AI-assisted development within an agile team. The role requires strong SDLC expertise across Python, Java, and JavaScript/TypeScript, plus experience with Spring ecosystems and production systems.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or equivalent practical experience.
• Strong software engineering fundamentals across the SDLC.
• Proficiency in Python, Java, and JavaScript/TypeScript.
• Experience building and supporting production-grade systems.
• Experience in large-scale enterprise environments with data integrations.
• Familiarity with JUnit, Maven, Spring Boot, Spring Data JPA, Spring Batch, and Hibernate.
• Demonstrated experience leading AI-assisted software development with validated outputs.
• Strong understanding of responsible AI practices, security, and resiliency.
• Excellent communication and stakeholder management.
• Experience delivering in an Agile environment.

Responsibilities

• Own production outcomes for critical Equity Derivatives workflows, including monitoring, incident triage, stakeholder communication, mitigation, and root cause follow-through
• Execute software solutions through design, development, testing, release, and technical troubleshooting
• Create secure, high-quality production code and maintain services and integrations with critical systems
• Produce architecture and design artifacts for complex applications, ensuring alignment with design constraints and operational requirements
• Collaborate with front office, operations, and technology teams to gather requirements, define acceptance criteria, and align on product specifications
• Drive user acceptance testing (UAT) planning and execution for changes impacting pricing, booking, and risk, including test strategy, defect triage, evidence collection, and sign-offs
• Drive team adoption of enterprise-authorized AI-assisted engineering practices to improve code quality, delivery speed, and operational outcomes, while establishing consistent validation standards and promoting reuse of effective patterns
• Apply knowledge of the Software Development Life Cycle toolchain, including AI-assisted development and automation capabilities, to maximize automation value
• Maintain strong release discipline, including regression assessment, rollback/fallback planning, post-deployment verification, and observability improvements
• Gather and synthesize data and telemetry to develop reporting and metrics that improve stability, quality, and delivery predictability
• Identify hidden failure patterns in production and drive improvements in coding hygiene, system architecture, and operational readiness

Skills

Python

Java

JavaScript/TypeScript

Software Architecture

Production systems

Agile methodologies

AI-assisted development

Code quality

Team leadership

Education

Bachelor's degree in Computer Science or related field

Tools

JUnit

Maven

Spring Boot

Hibernate

Spring Data JPA

Spring Batch

CI/CD tooling

Job description

JPMorgan Chase & Co. in London/Greater London is seeking a Lead Software Engineer to design, build, and operate secure, scalable financial software within Markets Technology.

You will own production outcomes, drive architecture decisions, and advance AI-assisted development within an agile team. The role requires strong SDLC expertise across Python, Java, and JavaScript/TypeScript, plus experience with Spring ecosystems and production systems.