Software Engineer II - Engineering Services (Full Stack)

Software EngineerThe Engineering Services team is looking for a Software Engineer who wants to see their work land directly in merchants' hands. Sitting within Commerce's professional services organization, our team designs, builds, and maintains single-click apps published to the BigCommerce App Marketplace. We also deliver data migration projects that help merchants move onto BigCommerce with confidence. Because our roadmap is shaped by what merchants and services teams encounter in the field, you'll work with short feedback loops, varied projects, and code that ships to real stores quickly.What The Team OwnsThe end-to-end lifecycle of a portfolio of single-click apps on the BigCommerce App Marketplace: design, development, publishing, versioning, and ongoing maintenanceThe shared foundations these apps depend on — OAuth-based install flows, webhook processing, and services that scale reliably across thousands of merchant storesTooling and delivery for merchant data migration projectsProduction health of our apps, including monitoring, triage, and resolution of merchant-reported issuesWhat You'll Do:Collaborate with the team to design, build, and maintain single-click apps across the full stack - backend services in Node/TypeScript and PHP, and frontends in ReactIntegrate deeply with BigCommerce platform APIs (REST and GraphQL), webhooks, and OAuth flowsWrite code that is performant, maintainable, clear, and concise, with appropriate test coverageBuild new features with a focus on extensibility and quality - a single codebase serving many merchants raises the bar for bothSupport apps in production: monitor health, troubleshoot issues and resolve merchant-impacting bugsContribute to data migration projects, from scripting and validation through cutoverParticipate in code reviews to maintain and improve qualityPartner with Product Managers, solutions architects, and other services teams to translate merchant requirements into technical designs, occasionally joining client and partner conversations alongside Product ManagersMove comfortably between projects and codebases, choosing the right tools and patterns for each jobWho You Are:3+ years of professional experience as a Software EngineerA solid understanding of programming principles and write code that others enjoy inheritingHands-on experience with NetJavaScript/TypeScript (Node) and/or PHP on the backend, and React and Next.js on the frontend - depth in one with willingness to work across the stackExperience integrating with third-party APIs and services (REST, GraphQL, webhooks, OAuth)You think in multi-tenant terms: one app, thousands of stores, and the performance, data-isolation, and upgrade considerations that come with thatYou're comfortable context-switching across concurrent projects and picking up unfamiliar codebases quicklyYou have excellent interpersonal skills - able to collaborate and communicate efficiently in person, video calls, Slack or email, including explaining technical concepts to non-engineering stakeholdersYou're driven to take action and enjoy owning work from inception to deliveryYou enjoy being part of a collaborative team focused on building products that delight customers and our partnersPreferred minimum: Bachelor's degree in CS or equivalent experience; or completion of a comprehensive software engineering boot camp.Bonus: experience with ecommerce platforms, BigCommerce APIs, or building apps for a marketplace/app-store distribution model