E-Commerce Integration Engineer

Kforce has a client in Phoenix, AZ, that is seeking an E-Commerce Integration Engineer to diagnose, troubleshoot, and optimize our live e-commerce ecosystem. This is a hands-on problem-solving role focused on systems reliability and integration performance.

Responsibilities:

• Support and diagnose issues on a live e-commerce platform • Investigate problems across Checkout flows • Shipping rate calculations • Tax calculations • Address validation • Trace issues from front-end middleware • Third-party APIs • Identify whether failures stem from configuration data or code • Troubleshoot REST API integrations • Diagnose authentication issues • API keys • Tokens • OAuth • Investigate payload/response errors • Malformed requests • Timeouts • Rate limits • Analyze and interpret API logs and error messages • Work directly with third-party vendor technical support teams • Support and troubleshoot shipping integrations including Rate calculations Service availability by location Address validation • Diagnose tax engine integration issues such as Incorrect tax rates Product tax code mismatches Jurisdiction/address validation errors affecting tax • Ensure proper integration within checkout workflows • Diagnose geocoding and jurisdiction boundary issues • Troubleshoot address normalization mismatches • Work with GIS-based datasets • Convert and upload files aligned with jurisdictional boundaries • Pull and analyze logs from Application systems • Servers • Middleware platforms • Correlate timestamps across multiple systems • Distinguish root cause from downstream symptoms • Document findings and recommended fixes • Clearly explain What is broken Why it is broken Whether it is a configuration data integration or code issue • Partner with Developers • Marketing • E-commerce teams • Operations • Third-party vendors • Recommend preventative improvements to reduce future failures