Sr Software Engineer, Identity & Access Management (IAM)

Pattern • Lehi, UT

6d • Hybrid

About The Position

Pattern accelerates brands on global ecommerce marketplaces leveraging proprietary technology and AI. Utilizing more than 66 trillion data points, sophisticated machine learning and AI models, Pattern optimizes and automates all levers of ecommerce growth for global brands, including advertising, content management, logistics and fulfillment, pricing, forecasting and customer service. Hundreds of global brands depend on Pattern’s ecommerce acceleration platform every day to drive profitable revenue growth across 60+ global marketplaces—including Amazon, Walmart.com , Target.com , eBay, Tmall, TikTok Shop, JD, and Mercado Libre. As a Sr Software Engineer, you will lead and oversee the software engineering function for Pattern’s central administrative, authentication, authorization, and security infrastructure. In this role, you will serve as a key technical leader for our mission-critical identity and access platform, partnering with other engineering leaders and cross-functional teams to ensure its success. Because this core system underpins all of Pattern's operations, you will partner closely with a wide variety of cross-functional teams to field, prioritize, and build a high volume of feature requests while ensuring the ongoing maintenance, stability, and high performance of existing applications.

Requirements

• 3+ years of back-end software engineering experience focused on core security, identity, or platform systems.
• Proven experience building and maintaining central Authentication and Authorization systems.
• Direct experience with RBAC/ABAC frameworks and security protocols (OAuth 2.0, OIDC, SAML, JWT).
• Strong capability to manage competing feature requests from multiple internal teams while maintaining legacy codebases.
• Solid background with relational databases (PostgreSQL) and REST/gRPC APIs.

Responsibilities

• Maintain, scale, and optimize existing central authentication and authorization applications.
• Triage, scope, and build incoming feature requests from cross-functional teams across Pattern.
• Write, test, and deploy clean back-end code using Ruby and Go.
• Design and enforce fine-grained RBAC across internal platforms and external APIs.
• Collaborate with engineers and product stakeholders to integrate core security services.
• Automate admin workflows and integrate AI solutions to enhance operational efficiency.
• Monitor performance, reduce technical debt, and ensure high system availability.

Benefits

• Unlimited PTO
• Paid Holidays
• Onsite Fitness Center
• Company Paid Life Insurance
• Casual Dress Code
• Competitive Pay
• Health, Vision, and Dental Insurance
• 401(k) match. Pattern matches 100% of the first 3% in eligible compensation deferred and 50% of the next 2% in eligible compensation deferred.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed