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Staff Software Development Engineer

WEX Inc

Chicago, Illinois, United States Full time June 07, 2026
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Opportunity Description

This is a remote position; however, the candidate must reside within 30 miles of one of the following locations: Portland, ME; Boston, MA; Chicago, IL; Dallas, TX; San Francisco Bay Area, CA; and Seattle/WA.

As a Staff Backend Engineer, you will be the primary architect and execution lead for the transformation of our Digital Credit Application. We are pivoting from a Salesforce-centric monolith to a high-performance, pluggable API ecosystem. Your mission is to decouple core adjudication logic, enable rapid A/B testing of the customer journey, and lay the technical foundation for future AI-driven chat and automated decisioning experiences.

This is a high-impact role designed for a builder who can manage the duality of supporting a live Salesforce environment while aggressively migrating mission-critical services to a modern, micro services based backbone.

Core Responsibilities

  • Architectural Migration:

    Full time Computer Occupations
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