Senior PHP Integration/Backend Software Engineer

Job: Senior PHP Integration/Backend Software EngineerLocation: Lisle, ILType: Long Term Contract Key requirements:Eight or more years of professional backend engineering experienceExpert-level PHP and hands-on Spryker Cloud Commerce OS experienceExperience developing transaction engines and integration services for B2B eCommerceAbility to implement Spryker state machines for order-to-cash and returns workflowsExperience building REST/GraphQL middleware and integrations with ERP, OMS, and dealer management systems such as CDK, Procede, SAP, and KarmakPostgreSQL/MySQL data-modeling experience, including tiered pricing, account hierarchies, and core-charge ledgersStrong Redis and Elasticsearch expertiseHands-on experience with Azure Pipelines or GitHub Actions, Docker, and KubernetesDemonstrated proficiency with AI-assisted development tools such as GitHub Copilot, Claude Code, or equivalent.