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Senior Lead Software Engineer - Python​/Java

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: United States Digital Space LLC
Full Time position
Listed on 2026-07-01
Job specializations:
  • Software Development
    Software Engineer, Backend Developer, Java Developer, Python
Salary/Wage Range or Industry Benchmark: 70000 - 90000 GBP Yearly GBP 70000.00 90000.00 YEAR
Job Description & How to Apply Below
Position: Senior Lead Software Engineer - Python / Java
Location: Greater London

JOB DESCRIPTION

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.

As a Lead Software Engineer at JPMorgan Chase within Quantitative Execution Strategies Tech, 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 building critical technology solutions across multiple technical areas within various business functions in support of the firm’s business objectives.

Team

Overview

The QES (Quantitative Execution Strategies) infrastructure supports the execution of cross‑markets intraday trading strategies. It is a large growth area for JP Morgan’s markets franchise, and will see significant additional investment over the next year to further our excellence in the business. The team’s responsibility includes the design, build and support of the platform. The work requires close collaboration with our front office partners from sales, trading and quantitative research.

Job Responsibilities
  • Executes creative software solutions, design, development, and technical troubleshooting with ability to think beyond routine or conventional approaches to build solutions or break down technical problems
  • Develops secure high‑quality production code, and reviews and debugs code written by others
  • Identifies opportunities to eliminate or automate remediation of recurring issues to improve overall operational stability of software applications and systems
  • Leads communities of practice across Software Engineering to drive awareness and use of new and leading‑edge technologies
  • Acts as a front office developer within the QES technology team
  • Collaborates closely with front office teams (trading, structuring) to support the QES platform
  • Develops platform and visualization components required by the desk
  • Utilizes principal technologies such as Java, Python and Type Script (React) within the team
Required Qualifications , Capabilities, and Skills
  • Formal training or certification on software engineering concepts and proficient advanced experience
  • Hands‑on practical experience delivering system design, application development, testing, and operational stability
  • Advanced in Python programming language
  • Excellent analytical skills (i.e. problem solving)
  • Experience in leading an agile delivery team leveraging scrum, sprint planning, retrospectives and reporting progress to senior stakeholders
Preferred Qualifications , Capabilities, and Skills
  • Experience of working in a front office environment within financial services
  • Knowledge of Java, Python, Typescript, React
ABOUT US

J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world’s most prominent corporations, governments, wealthy individuals and institutional investors. Our first‑class business in a first‑class way approach to serving clients drives everything we do. We strive to build trusted, long‑term partnerships to help our clients achieve their business objectives.

We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law.

We also make reasonable accommodations for applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs. Visit our FAQs for more information about requesting an accommodation.

ABOUT THE TEAM

J.P. Morgan’s Commercial & Investment Bank is a global leader across banking, markets, securities services and payments. Corporations, governments and institutions throughout the world entrust us with their business in more than 100 countries. The Commercial & Investment Bank provides strategic advice, raises capital, manages risk and extends liquidity in markets around the world.

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Position Requirements
10+ Years work experience
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