Technical Architect – Commerce, Omnichannel

Weidenhammer

. Build complex backend and integration work, including modules, extensions, services, GraphQL/REST endpoints, and data synchronization .

Posted 9/22/2026full-timeRemote • Pennsylvania • United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates deep expertise in Adobe Commerce (Magento 2), BigCommerce, or OroCommerce, with a strong focus on end-to-end technical design and integration for complex commerce builds. Proven ability to mentor developers and effectively communicate technical positions to clients while managing multiple projects.

Highest-signal resume keywords

Adobe Commerce (Magento 2) ExpertiseEnd-to-End Technical Design OwnershipIntegration with ERP/OMS/WMS SystemsPerformance Tuning and DebuggingClient Communication and Requirement Analysis

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

GraphQLRESTData SynchronizationCustom Extension DevelopmentCatalog and Pricing ManagementCheckout and IndexingIntegration IdempotencyReconciliation and Partial Failure HandlingPerformance MeasurementCoding Standards and Architectural Guardrails

Soft Skills

MentoringClient RepresentationEffective CommunicationProblem-SolvingCollaboration

Industry Keywords

Commerce BuildsHigh-Traffic Production SystemsTechnical DesignIntegration TopologyAI Tooling

Tech Stack

Tools & technologies

ERPGraphQLMagento

About the role

Key responsibilities & impact

Build complex backend and integration work, including modules, extensions, services, GraphQL/REST endpoints, and data synchronization
Lead debugging and performance work on high-traffic production systems
Review code and refactor with intent
Own end-to-end technical design, including data models, API contracts, extension strategy, integration topology, and failure/reconciliation behavior
Contribute to coding standards and architectural guardrails and enforce them in owned work
Mentor developers through pairing and design sessions
Participate in scoping and roadmap conversations and provide feasibility and sizing input for proposals
Represent the technical position directly to clients
Own projects end to end across multiple client accounts and concurrent implementation projects
Shape the application of internal AI tooling and practices to client work

Requirements

What you’ll need

Senior-level experience owning the end-to-end technical design of complex commerce builds while remaining hands-on in code
Production experience on more than one platform or stack, including at least one learned on the job
Deep expertise in at least one of Adobe Commerce (Magento 2), BigCommerce (including B2B Edition and Catalyst), or OroCommerce
Experience with custom extension work, catalog and pricing, checkout, indexing, and performance tuning
Experience building a non-trivial integration to an ERP, OMS/WMS, or financial system
Experience handling integration idempotency, reconciliation, partial failure, and replay
Experience diagnosing and fixing real performance problems on high-traffic commerce applications, including measuring impact and explaining changes
Ability to participate effectively in client conversations, turn vague requirements into defensible approaches, and provide estimates
Must be authorized to work in the U.S. for any employer