Senior Lead Software Engineer — AWS, AI & RAG Workflows

Testing Site - JPMC; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

JPMorgan Chase in London is seeking a Senior Python Engineer to join the AM Research Technology team, delivering secure, scalable cloud-based software.

You will work in an agile environment to design and implement Python solutions, optimize AI workflows with OpenAI and Claude models, and influence product design and technical operations. A strong background in AWS and cloud-native development is required, with independent work capability.

Qualifications

• Formal training or certification in Java or Python concepts.
• Hands-on experience delivering system design and cloud-based application development.
• Advanced proficiency in Python programming.
• Proficient knowledge of cloud-based systems, AI and ML, with AWS experience.
• Ability to work independently with minimal oversight.
• Hands-on cloud-native experience with AWS.
• Background in CS/CE/Math or related technical field.

Responsibilities

• Develops secure, high-quality production code for cloud-based Python solutions.
• Implements and optimizes RAG-based semantic search and LLM inference workflows using OpenAI and Claude models.
• Influences product design and technical operations through decisions.
• Acts as a subject matter expert in cloud deployment and AI technologies.
• Contributes to engineering best practices and SDLC frameworks.
• Encourages adoption of new technologies across peers and teams.
• Promotes diversity, opportunity, inclusion, and respect within the team.

Skills

Python programming

Cloud computing

System design

Independent work

AWS

AI/ML concepts

Education

Computer Science / Computer Engineering / Math background

Tools

AWS

OpenAI

Claude models

LLM frameworks

Job description

JPMorgan Chase in London is seeking a Senior Python Engineer to join the AM Research Technology team, delivering secure, scalable cloud-based software.

You will work in an agile environment to design and implement Python solutions, optimize AI workflows with OpenAI and Claude models, and influence product design and technical operations. A strong background in AWS and cloud-native development is required, with independent work capability.