Principal AI Software Engineer - ML Systems & Production

J.P. MORGAN; Greater London; Hybrid; GBP 110,000 - 160,000; Full time

Job summary

J.P. Morgan in London is seeking a Principal Software Engineer to design, develop, deploy, and maintain advanced AI products. You will collaborate with software engineers, data engineers, and data scientists to deliver trusted solutions that scale across the firm.

You will lead long-term projects, contribute to innovative AI-driven workflows, and uphold a culture of inclusion and technical excellence while guiding teams through complex architectural decisions.

Qualifications

• Proven programming skills across Python, Go, or TypeScript in a cloud environment.
• Experience with GenAI, LLMs, and prompt engineering for production use.
• Background in developing, debugging, and maintaining code in a large corporate setting.
• Familiarity with CI/CD, security, and resilience within software projects.
• Knowledge of APIs, concurrency, and modern software design frameworks.

Responsibilities

• Collaborates with engineers, data scientists, and product owners to deliver production-ready products.
• Builds and maintains data pipelines for analytics, model evaluation, and training.
• Develops innovative software solutions and tackles complex technical problems.
• Provides feedback to improve architecture governance practices.
• Creates secure, high-quality production code and reviews others' code.
• Identifies hidden data problems to drive coding hygiene and architecture improvements.
• Offers technical guidance to the business and vendors.
• Architects AI-enabled engineering workflows with guardrails for validation, security, and reuse.

Skills

Python

Golang

TypeScript

GenAI familiarity

Prompt engineering

CI/CD

APIs

AWS

SQL

Git

Tools

SQL

Git

Job description

J.P. Morgan in London is seeking a Principal Software Engineer to design, develop, deploy, and maintain advanced AI products. You will collaborate with software engineers, data engineers, and data scientists to deliver trusted solutions that scale across the firm.

You will lead long-term projects, contribute to innovative AI-driven workflows, and uphold a culture of inclusion and technical excellence while guiding teams through complex architectural decisions.