Sr Lead Software Engineer - AI Security Platform

About Northern Trust As a global leader in innovative wealth management, asset servicing, asset management and banking services, Northern Trust (Nasdaq: NTRS) is proud to guide the world’s most successful individuals, families, corporations and institutions. Since 1889, we have aligned our efforts with our three guiding Principles That Endure: Service, Expertise, and Integrity. Together, they reflect the three cornerstones of business conduct which we strive to instill in our employees, whom we call partners, and to provide to our clients and the communities we serve worldwide. With more than 135 years of financial experience and over 24,000 partners, we serve the world’s most sophisticated clients using leading technology and exceptional service.

We are seeking a highly experienced Senior Lead Software Engineer to support technical development of our AI-powered Code Security Scanner platform. This platform leverages Generative AI and advanced security automation to identify , validate , and report software vulnerabilities across enterprise codebases.   The platform consists of:   React-based web application and user dashboard   Python-based orchestration and scanning framework   Azure AI Foundry integrations   Azure Functions, Azure SQL, and cloud-native services   Containerized scanning environments and security controls   This role will be responsible for ongoing development, architectural evolution, and long-term enhancement of the platform. The successful candidate must be equally comfortable designing user-facing applications, building automation, integrating AI services, and securing cloud-native solutions.

Platform Ownership   Serve as a lead technical developer for the AI Code Scanner platform.   Implement modernization, enhancements, and scalability initiatives.   Front-End Development   Enhance and support the React-based web application.   Improve user experience, reporting dashboards, workflow management, and administrative capabilities.   Implement secure authentication and authorization patterns.   Backend & AI Engineering   Maintain and extend Python-based orchestration and scanning services.   Build integrations with Azure AI Foundry and LLM-based security analysis capabilities.   Enhance automated vulnerability analysis, reporting, and verification workflows.   DevOps & Automation   Design and maintain GitHub Actions workflows.   Manage CI/CD pipelines and ephemeral runner infrastructure.   Improve automation, reliability, observability, and deployment processes.   Cloud Engineering   Design and support Azure-based services including:    Azure AI Foundry   Azure Functions   Azure SQL   Azure Storage   Azure Monitoring and Logging   Azure Entra ID     Required Qualifications   Experience   12+ years of software engineering experience  Experience supporting enterprise-scale applications in regulated environments   Technical Skills   Front-End   Expert-level React development   JavaScript and TypeScript   Modern SPA architecture   REST APIs and authentication integrations   Backend   Expert-level Python development   API design and integration   Automation and orchestration frameworks   Test automation and quality engineering   DevOps   GitHub Actions   CI/CD pipeline design   Infrastructure automation   Container technologies   Cloud   Microsoft Azure   Azure Functions   Azure SQL   Azure Storage   Azure Entra ID   Managed Identities   Azure RBAC   AI & Automation   Experience integrating Large Language Models (LLMs)   Azure AI Foundry or equivalent AI platforms   Agent-based workflows and automation frameworks   Security   Secure software development lifecycle (SSDLC)   Authentication and authorization (OAuth, OIDC, SAML)   Secrets management   Container security   Application security and vulnerability management     Preferred Qualifications   Experience building security scanning