Software Engineer III - Java E-Trading Developer

JPMorgan Chase & Co.; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

JPMorgan Chase & Co. is seeking world-class technologists for the Macro e-trading platform in London.

As a Software Engineer III, you will join a global team to design, develop, and operate high-availability, low-latency trading components and supporting systems. You will work with 20+ developers worldwide, collaborating with trading partners to deliver market-leading technology in a secure, scalable manner, while applying AI-assisted tooling and responsible AI practices to improve delivery

Qualifications

• Formal training or certification on software engineering concepts and advanced applied experience in Java
• Hands-on practical experience in system design, application development, testing, and operational stability
• Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming languages and database querying languages
• Strong Linux/Unix, and knowledge of networking topologies, TCP + UDP
• Low latency middleware, e.g. Informatica Ultra Messaging
• Knowledge of the FIX protocol (e.g. QuickFIX/J)
• Experience with automated testing and CI/CD (e.g. JUnit, Cucumber, Maven, Jenkins)
• Hands-on experience using enterprise-authorized AI-assisted software development tools with ability to evaluate, validate, and refine outputs
• Understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and resiliency and security expectations
• Overall knowledge of the Software Development Life Cycle
• Solid understanding of agile methodologies such as CI/CD, Application Resiliency, and Security
• Collaborative, detail-oriented and quick learner; able to analyse and fix problems quickly, both independently and within a global team

Responsibilities

• Executes software solutions, design, development, and debugging with ability to tackle complex problems
• Design, develop, and maintain electronic trading components
• Use low-level programming techniques to produce highly optimized, low-latency trading software
• Leverages AI coding assist tools to improve code quality, delivery speed, and productivity with peer review and secure coding
• Applies SDLC tooling knowledge to improve automation value
• Produces architecture and design artifacts for complex applications
• Gathers and visualizes data for continuous improvement of software applications
• Proactively identifies patterns in data to improve coding hygiene and system architecture

Skills

Java

Linux/Unix

CI/CD

Agile methodologies

Low latency

AI-assisted development tools

Debugging

SQL/Database queries

Education

Bachelor's degree in Computer Science, Engineering, Maths, Stats, Physics

Tools

Informatica Ultra Messaging

FIX protocol QuickFIX/J

Jenkins

Maven

Job description

We are searching for world-class technologists to join our team building solutions for the J.P. Morgan Macro e-trading platform, which streams real-time prices and executes client trades across FX, Rates, Commodities, Credit and ETFs.

As a Software Engineer III at JPMorganChase within the Macro e-trading platform team, you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secure, stable, and scalable way. You are responsible for carrying out critical technology solutions across multiple technical areas within various business functions in support of the firm’s business objectives.

In this role, a candidate will be building the components that underpin the global macro eTrading business working within a team of 20 developers globally and working closely with our trading partners.

These components must be highly available, highly scalable, and operate with the lowest possible latency. The systems handle high volumes of real-time data and require careful tuning for performance. Candidates would be accountable for the overall success of the systems, including design, development, deployment, optimization, and day-to-day operation.

Job Responsibilities

• Executes software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or breakdown technical problems
• Design, develop, and maintain electronic trading components.
• Use low-level programming techniques to produce highly optimized, low-latency trading software
• Leverages enterprise-authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity across complex deliverables (e.g., code generation/refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards; contributes learnings and reusable patterns to improve broader team effectiveness.
• Applies knowledge of tools within the Software Development Life Cycle toolchain, including enterprise-authorized AI-assisted development and automation capabilities, to improve the value realized by automation.
• Produces architecture and design artifacts for complex applications while being accountable for ensuring design constraints are met by software code development
• Gathers, analyzes, synthesizes, and develops visualizations and reporting from large, diverse data sets in service of continuous improvement of software applications and systems
• Proactively identifies hidden problems and patterns in data and uses these insights to drive improvements to coding hygiene and system architecture

Required qualifications, capabilities, and skills

• Formal training or certification on software engineering concepts and advanced applied experience in Java
• Hands-on practical experience in system design, application development, testing, and operational stability
• Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming languages and database querying languages
• Strong Linux/Unix, and knowledge of networking topologies, TCP + UDP
• Low latency middleware, for example: Informatica ultra messaging
• Knowledge of the FIX protocol (e.g. QuickFIX/J)
• Experience with automated testing and CI/CD (e.g. JUnit, Cucumber, Maven, Jenkins)
• Hands-on experience using enterprise-authorized AI-assisted software development tools within the work environment (e.g., for coding, test creation, troubleshooting, or documentation) with demonstrated ability to critically evaluate, validate, and refine AI-generated outputs for correctness, performance, and security.
• Understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectations; ability to guide peers on safe and effective usage within team practices.
• Overall knowledge of the Software Development Life Cycle
• Solid understanding of agile methodologies such as CI/CD, Application Resiliency, and Security
• Bachelor's degree in Computer Science, Engineering, Maths, Stats, Physics, or similar experience
• Collaborative, detail-oriented and a quick learner; able to analyse and fix problems quickly, both independently and within a global team

Preferred qualifications, capabilities, and skills

• Scripting skills, python will be an advantage; kdb+/q or Splunk a plus
• Relevant markets experience - FX/Rates eTrading