Senior Python Developer Jobs in Lockport, IL (NOW HIRING)

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 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 ID.

• Experience 12+ years of software engineering experience.
• Experience supporting enterprise-scale applications in regulated environments.
• Front-End Expert-level React development JavaScript and TypeScript 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.
• 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.

• Experience building security scanning platforms.
• Background in Application Security or DevSecOps.
• Experience with SARIF and static analysis tools.
• Experience with Docker, Kubernetes, and sandboxed execution environments.
• Familiarity with Azure APIM and enterprise networking.
• Experience building AI-assisted developer or security tooling.
• Prior experience in financial services or other regulated industries.

• Within the first 12 months, this individual will: Successfully support and enhance Code Scanner Platform.
• Deliver new scanning and reporting capabilities.
• Improve platform scalability and reliability.
• Expand AI-powered vulnerability detection capabilities.
• Drive modernization of the architecture and development practices.

We are looking for a senior engineer who combines: Full-stack development expertise; Deep Python engineering skills; Strong GitHub Actions and DevOps experience; Azure cloud architecture knowledge; AI/LLM integration experience; Security engineering mindset; Ability to independently own and evolve a strategic cybersecurity platform.

Salary Range: $114,500 - 194,700 USD Salary range is a good faith estimate of base pay.

• retirement benefits (401k and pension)
• health and welfare benefits (medical, dental, vision, spending accounts and disability)
• paid time off
• parental and caregiver leave
• life & accident insurance
• other voluntary and well-being benefits

Northern Trust also provides a discretionary bonus program that may include an equity component.

Applicants must be authorized to work in the U.S. without the need for employment-based visa sponsorship now or in the future. Northern Trust will not sponsor applicants for U.S. work visa status for this opportunity (no sponsorship is available for H-1B, L-1, TN, O-1, E-3, H-1B1, F-1, J-1, OPT, CPT or any other employment-based visa).

As a Northern Trust partner, you will be part of a flexible and collaborative work culture, which has a strong history of financial strength and stability. Movement within the organization is encouraged, senior leaders are accessible, and you can take pride in working for a company committed to an inclusive workplace and assisting the communities we serve. Philanthropy is deeply rooted in Northern Trust’s history and is an essential element of our culture. Employees around the world give their time and talent to work for the greater good of their communities.

Northern Trust is committed to working with and providing adjustments to individuals with health conditions and disabilities. If you need a reasonable accommodation for any part of the employment process, please email our HR Service Center at MyHRHelp@ntrs.com, or alternatively you can discuss your individual requirements with the recruiter you are working with.

Candidate Privacy Notice California Applicant Privacy Notice Pay Transparency Nondiscrimination Provision (U.S) Transparency in Coverage Disclosure – North America Northern Trust is committed to working with and providing reasonable accommodations to individuals with disabilities. If, because of a medical condition or disability, you need a reasonable accommodation for any part of the employment process, please email our HR Service Center or call 1-800-807-0302 (North America), +630-276-5353 (Asia Pacific), 1800-425-0333 (India), +44(0)207 982 4357 (Europe, Middle East and Africa) and let us know the nature of your request and your contact information.

It is the policy and practice of Northern Trust to provide equal employment opportunities to all employees and applicants. Northern Trust does not discriminate on the basis of race, colour, religion or belief, nationality, ethnic or national origin, sex, marital status, sexual orientation, disability or age. All employment decisions will be made in a non-discriminatory manner in accordance with our obligations under the law and codes of practice. This includes human resources’ decisions relating to recruitment, terms and conditions of employment, transfers, promotions and access to learning and development.

Northern Trust is an Equal Opportunity Employer. Hiring and other employment decisions at Northern Trust are made without regard to race, colour, religion, sex, ancestry, national origin, ethnic origin, age, disability, citizenship, veteran status, sexual orientation, record of offences, marital status, family status, or any other characteristic protected by federal, provincial, or local law, regulation, or ordinance.

It is the policy and practice of Northern Trust to provide equal employment opportunities to all employees and applicants. Northern Trust does not discriminate on the basis of race, colour, religion or belief, nationality, ethnic or national origin, sex, marital status, sexual orientation, disability or age. All employment decisions will be made in a non-discriminatory manner in accordance with our obligations under the law and codes of practice. This includes human resources’ decisions relating to recruitment, terms and conditions of employment, transfers, promotions and access to learning and development.

It is the policy of The Northern Trust Company to afford equal opportunity in all phases of employment without regard to an individual's age, race, color, religion, creed, gender, national origin, citizenship status, marital status, pregnancy, sexual orientation, gender identity or gender expression, genetic tests and information, physical or mental disability, protected veteran status or any other legally protected status. EEO Know Your Rights (U.S.)