Sr Principal Software Engineer, AI Security Platform

Northern Trust

Chicago (IL)

On-site

USD 165,000 - 288,000

Full time

3 days ago
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Benefits offered by this job

401k plan
Pension
Health benefits
Dental
Vision
Disability insurance
Paid time off
Parental leave
Caregiver leave
Life & accident insurance
Discretionary bonus
Equity component

Job summary

Northern Trust is seeking a Senior Principal Software Engineer to lead the AI Code Security Scanner platform, shaping architecture and long-term roadmap for secure code analysis across enterprise codebases.

The role demands deep experience in front-end and back-end development, including React, Python, REST APIs, and AI/LLM integrations, with a focus on security automation and scalable cloud-native solutions.

Qualifications

  • 15+ years of professional software engineering experience.
  • 5+ years in a lead, principal, or senior engineering role.
  • Experience supporting enterprise-scale applications in regulated environments.

Responsibilities

  • Lead technical development of the AI Code Scanner platform.
  • Implement modernization, enhancements, and scalability initiatives.
  • Mentor junior team members.
  • Improve user experience, dashboards, workflow management.
  • Implement secure authentication and authorization patterns.
  • Maintain orchestration and scanning services; expand AI integrations.
  • Enhance automated vulnerability analysis, reporting, and verification workflows.

Skills

React
Python
REST APIs
Security
Automation
LLMs

Job description

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.

Senior Principal Software Engineer - AI Code Security Scanner

We are seeking a highly experienced Senior Principal Software Engineer to support technical development of our AI-powered Code Security Scanner platform. This platform leverages frontier AI models and advanced security automation to identify, validate, and report software vulnerabilities across enterprise codebases. 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.
  • Mentor junior team members.
Front-End Development

Improve user experience, reporting dashboards, workflow management, and administrative capabilities.

  • Implement secure authentication and authorization patterns.
Backend & AI Engineering
  • Maintain and extend orchestration and scanning services.
  • Expand and manage integrations with LLM-based security analysis capabilities.
  • Enhance automated vulnerability analysis, reporting, and verification workflows.
Qualifications
  • Experience 15+ years of professional software engineering experience.
  • 5+ years in a lead, principal, or senior engineering role.
  • Experience supporting enterprise-scale applications in regulated environments.
Technical Skills
  • Expert-level React development.
  • Modern SPA architecture.
  • REST APIs and authentication integrations.
  • Expert-level Python development.
  • API design and integration.
  • Automation and orchestration frameworks.
  • Test automation and quality engineering.
  • Experience integrating Large Language Models (LLMs).
  • Agent-based workflows and automation frameworks.
  • Application security and vulnerability management.
Salary Range

$164,600 - 288,000 USD. Salary range is a good faith estimate of base pay.

Benefits

Northern Trust provides a comprehensive benefits package including 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, and other voluntary and well-being benefits.

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

Work Authorization

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).

Working with Us

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.

Reasonable Accommodation

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.

Looking for greater? You found it.

A global financial leader with more than 22,000 employees in 23 locations worldwide, Northern Trust empowers our employees to achieve more than just business goals. Our focus on work-life balance, career mobility and unique opportunities are just a few of the reasons we’ve been named one of the world’s most admired companies.

APAC/INDIA EEO STATEMENT

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.

Canada EEO STATEMENT

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.

EMEA EEO STATEMENT

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.

USA EEO STATEMENT

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.)

EEO Know Your Rights (U.S.)

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