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.
• Dev Ops & Automation Design and maintain Git Hub Actions workflows. Manage CI/CD pipelines and ephemer 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 .

• Experience 12+ years of software engineering experience.
• Experience supporting enterprise-scale applications in regulated environments.
• Front-End Expert-level React development JavaScript and Type Script Modern SPA architecture REST APIs and authentication integrations.
• Back-End Expert-level Python development API design and integration.
• Automation and orchestration frameworks Test automation and quality engineering.
• Dev Ops Git Hub Actions CI/CD pipeline design Infrastructure automation Container technologies.
• Cloud Microsoft Azure Azure Functions Azure SQL Azure Storage Azure Entra  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.

• Experience building security scanning platforms.
• Background…