BigCommerce Developer

Role summary We're hiring two mid-level BigCommerce engineers to build out the B2B portal across our OpCos. The Portal builds / enhancements are in process for all operating companies. You'll be hands-on for all of it — Companies, Quotes, Orders, Account Management, Custom Pricing, Documents. What you'll do Build B2B portal features end-to-end on **BigCommerce B2B Edition** — Companies, Sales Reps, Quotes, Buyer Approvals, Price Lists, Invoicing, Documents. Implement React/Next.js components in the Catalyst storefront for portal flows (Quote Cart, Quick Order, Shopping Lists, Order History, RMA Status). Wire portal screens to **OIC**-mediated APIs that talk to JDE / SAP / Salesforce — partner with the Integration Analyst on data contracts. Write Playwright tests for every shipped feature; treat green CI as non-negotiable. Pair with the Senior BC Developer on code review, design, and shared-component reuse. Pick up production support rotation once onboarded. Use AI tools as part of your daily flow — we'll provide the licenses, you bring the curiosity. Must have 3-5 years building production web applications in **React** + **TypeScript**. 1+ year working with **BigCommerce** — Stencil OR Catalyst, ideally B2B Edition or a comparable B2B commerce stack. Strong with **REST + GraphQL APIs**; comfortable reading OpenAPI specs and partnering on contract design. Solid CSS skills (Tailwind preferred); accessibility-aware front-end work. Git, branching, PR-based workflow; comfortable in a CI/CD environment. Curious and proactive about AI-augmented development — Cursor, Copilot, Claude are part of how you work. Nice to have Familiarity with BigCommerce B2B Edition specifically. Experience integrating commerce with an ERP (SAP, JDE, Oracle, Dynamics) or CRM (Salesforce, HubSpot, Dynamics). Playwright or Cypress test authoring experience. Worked on a portal involving Quote, Order, Approval, or Invoicing flows. Exposure to Microsoft Fabric or another modern data platform. #LI-PG1