Backend Developer

Title: Backend Developer Job Type: Contract Location: Minnesota Work Arrangement: Hybrid - 2-3 Days Onsite per Week Local Candidates: Required Job Summary We are seeking an experienced Backend Developer to design, develop, and support backend services, BFF APIs, commerce APIs, and enterprise integrations for a modern e-commerce platform supporting both B2B and B2C customers. The ideal candidate will have strong experience with backend API development, REST APIs, SQL, cloud services, e-commerce workflows, enterprise integrations, and event-driven architecture . Experience with AWS, Oracle integrations, headless commerce, and modern authentication technologies is highly preferred. Key Responsibilities Design, develop, and maintain backend-for-frontend (BFF) APIs supporting product search, product details, login, registration, customer accounts, carts, bulk orders, and checkout. Develop REST APIs and integrations using modern backend technologies. Integrate customer accounts, addresses, carts, orders, pricing, inventory, and product information across multiple systems. Implement authentication and account-based authorization using technologies such as OAuth 2.0, OpenID Connect, and Amazon Cognito . Integrate with content and product information platforms including AEM, DAM, and PIM . Develop real-time integrations with enterprise systems and APIs for pricing, inventory availability, lead times, and order processing. Build and support asynchronous, event-driven workflows using AWS SNS and S3 . Support account synchronization and data integration across multiple enterprise systems. Develop search API integrations using Solr and support potential integration with Algolia . Implement reliable handling of timeouts, retries, duplicate events, idempotency, partial failures, and reconciliation. Develop automated unit and integration tests and participate in code reviews. Support CI/CD pipelines, API documentation, application monitoring, logging, and tracing. Troubleshoot production issues and improve application performance and reliability. Collaborate with frontend, IAM, QA, ERP, content, and integration teams. Translate business requirements into scalable and maintainable backend solutions. Required Qualifications Hands-on experience developing and supporting production backend services and APIs . Strong experience with REST APIs, JSON, API contracts, and service integrations . Experience with Backend-for-Frontend (BFF) or API aggregation patterns. Strong understanding of e-commerce workflows including customer accounts, carts, checkout, pricing, and order processing . Experience with synchronous APIs and asynchronous/event-driven integrations. Strong understanding of data mapping, retries, idempotency, failure recovery, and distributed system troubleshooting . Working knowledge of OAuth 2.0, OpenID Connect, token/session management, and authorization . Strong experience with relational databases and SQL . Experience with cloud services, messaging platforms, and object storage. Experience with automated unit and integration testing. Experience with Git, CI/CD pipelines, code reviews, and application observability . Strong communication and collaboration skills. Preferred Qualifications Experience with commercetools APIs and commerce data models. Experience with Oracle EBS, Oracle GOP, Oracle Integration Cloud (OIC), or SOA services . Hands-on experience with AWS SNS, AWS S3, Amazon Cognito, Amazon Aurora, or Better Auth . Experience working with AEM Publish, AEM DAM, or PIM APIs . Experience with B2B commerce and account-specific pricing/access. Experience with multiple ship-to and bill-to locations, bulk ordering, and purchase order workflows. Experience with Solr or Algolia and product/content indexing. Experience with caching and distributed application performance. Experience integrating e-commerce platforms with enterprise ERP systems. Technical Environment Backend & APIs: REST APIs, JSON, BFF, API Integration Cloud & AWS: AWS SNS, S3, Cognito, Aurora Commerce: commercetools Content/Product: AEM, DAM, PIM Search: Solr, Algolia Enterprise Integration: Oracle EBS, Oracle GOP, OIC, SOA Database: SQL / Relational Databases DevOps: Git, CI/CD, Automated Testing, Monitoring & Observability Work Location Minnesota - Hybrid Candidates must be local to Minnesota and available to work 2-3 days onsite per week . Artius Solutions