JP Morgan Chase

Runs a consumer bank and an investment bank

Sr Lead Software Engineer - Java / Python

Backend EngineeringConfirmed live in the last 24 hours

Full-timeLondon, UKNo salary listedIn-person

About the Job

Requirements

Formal training or certification on software engineering concepts and advanced applied experience in Java and Python.
Hands-on practical experience delivering system design, application development, testing, and operational stability for mission-critical platforms.
Advanced proficiency in one or more programming languages, with deep hands-on expertise in Java 17 or later, including concurrency, memory management, and object-oriented design.
Experience designing clean application programming interfaces and rollout strategies for distributed systems, including integration and backward compatibility considerations.
Practical experience with Spring, Spring Boot, microservices, Kubernetes, Linux, and core networking and messaging concepts.
Proficiency in all aspects of the Software Development Life Cycle, including continuous integration and continuous delivery, automated testing practices, application resiliency, and security.
Experience leading effective use of enterprise-approved AI-assisted software development tools, including coding, code review, test acceleration, and troubleshooting, with the ability to set 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 and outputs aligned to resiliency and security expectations.
Effective communication with technical and non-technical audiences and ability to operate in globally distributed teams.

Responsibilities

Execute and oversee end-to-end software solutions, engineering standards, architecture, and technical troubleshooting for trading systems.
Design and build high-performance, latency-sensitive services with awareness of upstream and downstream system dependencies.
Develop secure, high-quality production code and review and debug code written by others.
Lead technical analysis, estimation, planning, code reviews, architecture sessions, and retrospectives to drive delivery outcomes.
Establish reliability goals and implement observability, resilience patterns, and operational readiness practices.
Lead incident response and post-incident reviews to improve production stability and performance, identify recurring issues, and drive automation and remediation.
Uphold secure-by-default engineering practices and risk and control standards across the Software Development Life Cycle.
Guide integration contracts, application programming interface and versioning strategies, and deprecation paths for platform services.
Drive team adoption of enterprise-authorized AI-assisted engineering practices across the Software Development Life Cycle toolchain while setting validation standards for correctness, performance, and security.
Mentor engineers and contribute to inclusion, respectful collaboration, and continuous improvement aligned to measurable outcomes.

Desired Qualifications

Exposure to messaging systems and market protocols, including MQ, Kafka, FIX, and Solace.
Experience with observability stacks and resilience engineering for low-latency or latency-sensitive platforms.
Familiarity with Python.
Experience operating services in regulated environments with strong auditability and controls.

Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products.

As a Lead Software Engineer at JPMorganChase within Digital Markets Execution Technology, Execute, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. As a core technical contributor, you are responsible for conducting critical technology solutions across multiple technical areas within various business functions in support of the firm’s business objectives.

Job 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-authorized 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

Required qualifications, capabilities, and skills

Formal training or certification on software engineering concepts and advanced applied experience in Java / Python
Hands-on practical experience delivering system design, application development, testing, and operational stability for mission-critical platforms
Advanced in one or more programming language(s), 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 (e.g., for coding, code review, test acceleration, troubleshooting) 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

Preferred qualifications, capabilities, and skills

Exposure to messaging systems and market protocols (e.g., MQ/Kafka; familiarity with FIX and Solace)
Experience with observability stacks and resilience engineering for low-latency / latency-sensitive platforms
Familiarity with Python
Experience operating services in regulated environments with strong auditability and controls

About the Company

JP Morgan Chase

Runs a consumer bank and an investment bank

JPMorgan Chase runs the largest bank in the United States, which serves households and small businesses as Chase and large companies, governments, and investors as J.P. Morgan. During the 2008 financial crisis it bought the failing investment bank Bear Stearns and lender Washington Mutual, and in 2023 it took over First Republic Bank after regulators seized it. Chase takes deposits and earns interest on credit cards, mortgages, and car loans, while the investment side earns fees for advising on mergers, raising money for companies, trading stocks and bonds, and managing wealth. Formed in a 2000 merger, JPMorgan Chase traces its roots to 1799 and is based in New York City.

Company size: 10,001+
Company stage: IPO
Headquarters: New York City, New York
Founded: 1799

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