Sr Lead Software Engineer - Python

JPMorganChase

London

Job Description
We have an exciting and rewarding opportunity for you to take your software engineering career to the next level.
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 Senior Python Engineer at JPMorgan Chase within the AM Research Technology team, 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. Drive significant business impact through your capabilities and contributions, and apply deep technical expertise and problem-solving methodologies to tackle a diverse array of challenges that span multiple technologies and applications, particularly in cloud-based systems and AI-driven solutions.
Job Responsibilities
Develops secure and high-quality production code, and reviews and debugs code written by others, with a focus on cloud-based systems using AWS and Python.
Implements and optimizes RAG-based semantic search and LLM inference workflows using OpenAI and Claude models.
Drives decisions that influence the product design, application functionality, and technical operations and processes.
Serves as a function-wide subject matter expert in cloud deployment and AI technologies.
Actively contributes to the engineering community as an advocate of firmwide frameworks, tools, and practices of the Software Development Life Cycle.
Influences peers and project decision-makers to consider the use and application of leading-edge technologies.
Adds to the team culture of diversity, equity, inclusion, and respect.
Required Qualifications, Capabilities, And Skills
Formal training or certification on Python concepts and proficient advanced experience.
Hands-on practical experience delivering system design, application development, testing, and operational stability, particularly in cloud environments.
Advanced proficiency in Python programming.
Advanced knowledge of cloud-based systems, artificial intelligence, and machine learning, with considerable in-depth knowledge in implementing solutions using AWS.
Ability to tackle design and functionality problems independently with little to no oversight, demonstrating self-starter capabilities.
Practical cloud-native experience, specifically with AWS.
Experience in Computer Science, Computer Engineering, Mathematics, or a related technical field.
Preferred Qualifications, Capabilities, And Skills
Experience with RAG-based semantic search and LLM inference workflows using OpenAI and Claude models.
Proven track record of proposing solutions independently and owning execution end-to-end in an individual contributor role.
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 Asset & Wealth Management delivers industry-leading investment management and private banking solutions. Asset Management provides individuals, advisors and institutions with strategies and expertise that span the full spectrum of asset classes through our global network of investment professionals. Wealth Management helps individuals, families and foundations take a more intentional approach to their wealth or finances to better define, focus and realize their goals.

Posted 2025-09-14

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