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(USA) Senior Software Engineer, Information Security

at Walmart

Role Overview

As a Senior Software Engineer, you will evolve the enterprise SSO platform within Identity and Access Management (IAM). You will build secure, scalable authentication services leveraging modern federation standards and contribute to AI-enabled adaptive authentication capabilities that enhance risk-based access control. This role combines deep engineering expertise with identity domain knowledge to deliver intelligent, resilient authentication systems at global scale.

The SSO Engineering team develops scalable identity services that provide seamless and secure authentication experiences across web, mobile, APIs, workforce, and partner ecosystems. We focus on modern authentication standards, Zero Trust principles, and intelligent risk-based access controls.

Responsibilities

  • Design, develop, and maintain scalable SSO services supporting the enterprise.
  • Implement authentication and authorization solutions using OAuth, OIDC, and SAML.
  • Build secure RESTful APIs and backend services using Java, Go, or Python, and integrate with frontend systems.
  • Develop and enhance core authentication capabilities, including phishing-resistant MFA, adaptive authentication, and risk-based access controls.
  • Contribute to passwordless initiatives such as FIDO2 and Passkeys.
  • Work with cloud-native platforms (Azure/GCP) using Docker and Kubernetes.
  • Enhance observability, monitoring, and reliability of identity services.
  • Contribute to automation and AI-enabled authentication capabilities, including automated remediation workflows.
  • Collaborate with security, platform, and application teams to integrate SSO across services.
  • Participate in design reviews, code reviews, and operational incident response.

Requirements

  • Bachelor’s degree in Computer Science, Information Technology, or a related field and 5 years of experience in information technology within the past 10 years, OR 7 years of experience in information technology or a related field within the past 10 years.
  • Extensive experience in the software development life cycle (SDLC) and secure coding practices.
  • Proficiency in Python programming and automation to enhance security processes.
  • Strong knowledge of cloud security principles and application security frameworks.
  • Expertise in identity and access management, including authentication protocols.
  • Ability to design scalable, secure solutions aligned with organizational objectives.
  • Familiarity with version control software to manage codebase effectively.
  • Demonstrated capability to integrate security considerations throughout software development phases.

Preferred Qualifications

  • Professional certifications such as CISSP, CISA, GSEC, Security+, GCIAs, GCED, GISP, or GCIH.
  • Experience leading technical teams.
  • Proficiency in programming languages such as Java, C/C++, .NET, Powershell, Rexx, or Cobol.
  • Experience with mainframe technology, SAP, or SQL technology.
  • Knowledge of digital accessibility standards (WCAG 2.2 AA) and assistive technologies.
  • Experience with version control tools like Git, Subversion, or Librarian.

Benefits

  • Comprehensive health benefits including medical, vision, and dental coverage.
  • Financial benefits including 401(k) matching, stock purchase plans, and company-paid life insurance.
  • Paid time off (PTO) for vacation, sick leave, holidays, parental leave, family care, and bereavement.
  • 100% covered tuition, books, and fees through the Live Better U education program.
  • Associate discount card for in-store and online purchases.
  • Short-term and long-term disability, and wellbeing programs for mental health.
  • Access to job-specific retail training and leadership courses.
Required Skills:
SAMLOAuth 2.0OpenID Connect (OIDC)FIDO2 / WebAuthnPasswordless AuthenticationPythonPowerShellJavaGoREST APIs
Certifications:
Certified Information Systems Security Professional (CISSP)
Benefits:
401k matchingFlexible PTOParental leaveHealth insuranceDental & visionLife insuranceDisability insuranceStock optionsTuition reimbursementWellness stipendLearning budget
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  • Location


    Bentonville, US
  • Salary


    $90K to $180K per year
  • Job Type


    Full Time
  • Work Mode


    Onsite
  • Experience


    Mid Level
  • Posted


    Jun 23, 2026
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