Lead Software Engineer - Python/Java for Market Tech

Next Frontier Capital; Greater London; On-site; GBP 90,000 - 140,000; Full time

Job summary

J.P. Morgan is seeking a Lead Software Engineer to design, build, and operate secure, scalable solutions for Equity Derivatives in a Markets Technology context.

You will work in an agile team, shaping architecture and driving improvements across production systems while collaborating with front office and operations to meet business goals. The role emphasizes delivering production-grade software, strong problem-solving, and effective communication with stakeholders.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience.
• Strong software engineering fundamentals across the SDLC, including design, development, testing, release, and production support.
• Proficiency in Python, Java, and JavaScript/TypeScript.
• Experience building and supporting production-grade systems.
• Experience in large-scale enterprise environments with code/data integrations.
• Knowledge of Spring frameworks and related tooling (JUnit, Maven, Spring Boot, Spring Data JPA, Spring Batch, Hibernate).
• Strong analytical thinking, problem solving, and debugging skills.
• Excellent communication and stakeholder management.
• Agile delivery experience with multiple priorities and clear documentation.
• Operational excellence mindset with focus on observability and reliability.
• Knowledge of equity derivatives products and workflows.

Responsibilities

• Own production outcomes for critical Equity Derivatives workflows, including monitoring and incident follow-through.
• Deliver software through design, development, testing, release, and technical troubleshooting.
• Create secure, high-quality production code and maintain integrations with key systems.
• Produce architecture and design artifacts for complex applications and align with constraints.
• Collaborate with front office, operations, and technology to gather requirements and criteria.
• Drive UAT planning and execution for pricing, booking, and risk changes.
• Maintain release discipline with regression checks and post-deployment verification.
• Develop data/telemetry driven reporting to improve stability and delivery.
• Identify hidden failure patterns and drive improvements in code and architecture.
• Provide runbooks, training, and documentation for new features and workflows.
• Leverage AI tools for testing and documentation within governance rules.

Skills

Python

Java

JavaScript/TypeScript

SDLC

Agile

Communication

Education

Bachelor's degree in CS

Tools

JUnit

Maven

Spring Boot

Hibernate

Spring Data JPA

Spring Batch

Job description

J.P. Morgan is seeking a Lead Software Engineer to design, build, and operate secure, scalable solutions for Equity Derivatives in a Markets Technology context.

You will work in an agile team, shaping architecture and driving improvements across production systems while collaborating with front office and operations to meet business goals. The role emphasizes delivering production-grade software, strong problem-solving, and effective communication with stakeholders.