Spreetail propels brands to increase their ecommerce market share across the globe while improving their operational costs. Learn how we are building one of the fastest-growing ecommerce companies in history: www.spreetail.com. Spreetail propels brands to increase their ecommerce market share across the globe while improving their operational costs. Learn how we are building one of the fastest-growing ecommerce companies in history: www.spreetail.com. Spreetail is becoming a third-party logistics provider, taking on warehousing and fulfillment for external merchants and brands. The 3PL Staff Engineer owns the technical foundation of this new product: the multi-tenant systems that manage client onboarding, inventory, warehouse operations, order fulfillment, and billing for outside customers using Spreetail's fulfillment network. You will operate as a founding technical leader for a 0-to-1 platform, bringing deep ecommerce domain expertise to bear on warehouse operations, inventory management, and order fulfillment at multi-tenant scale. This platform is being built AI-native from the start — with demand forecasting, automated exception handling, and anomaly detection woven into core workflows rather than bolted on afterward. Your work directly determines whether Spreetail can reliably sell 3PL services to external clients — making it a direct driver of new revenue and margin. This is a hands-on, high-ownership, build-from-the-ground-up role requiring strong distributed systems expertise, deep familiarity with ecommerce order-to-fulfillment flows, and the ability to make foundational architecture decisions for a new business line. Why Spreetail Join a high-performing technology organization that values innovation, ownership, and collaboration. You’ll work with talented engineers who care deeply about building scalable systems and driving real business impact. Together, we’ll make Spreetail better. Spreetail is becoming a third-party logistics provider, taking on warehousing and fulfillment for external merchants and brands. The 3PL Staff Engineer owns the technical foundation of this new product: the multi-tenant systems that manage client onboarding, inventory, warehouse operations, order fulfillment, and billing for outside customers using Spreetail's fulfillment network. You will operate as a founding technical leader for a 0-to-1 platform, bringing deep ecommerce domain expertise to bear on warehouse operations, inventory management, and order fulfillment at multi-tenant scale. This platform is being built AI-native from the start — with demand forecasting, automated exception handling, and anomaly detection woven into core workflows rather than bolted on afterward. Your work directly determines whether Spreetail can reliably sell 3PL services to external clients — making it a direct driver of new revenue and margin. This is a hands-on, high-ownership, build-from-the-ground-up role requiring strong distributed systems expertise, deep familiarity with ecommerce order-to-fulfillment flows, and the ability to make foundational architecture decisions for a new business line. Why Spreetail Join a high-performing technology organization that values innovation, ownership, and collaboration. You’ll work with talented engineers who care deeply about building scalable systems and driving real business impact. Together, we’ll make Spreetail better. How you will achieve success: A scalable, multi-tenant 3PL platform capable of onboarding external clients with distinct catalogs, inventory, and fulfillment rules Reliable core systems for inventory management, order routing, and warehouse operations across client accounts Fast, low-friction onboarding for new 3PL clients through configurable, reusable platform components Accurate, real-time inventory and order visibility for both internal ops teams and external clients Reliable, observable, self-healing fulfillment pipelines with clear SLAs clients can be sold against Reduced manual intervention in exception handling (mis-ships, short-ships, returns, billing disputes) through AI-driven automation Clear architectural direction as the 3PL platform scales from first clients to broad external adaptation. What experiences will help you in this role: - 6–8+ years of experience building and shipping production backend systems - Experience informally or formally leading the technical direction of a team or workstream (design reviews, mentorship, setting standards) - Experience with ecommerce order management, inventory, warehouse, or logistics systems is a strong plus - Comfortable working in a fast-moving, still-being-defined 0-to-1 environment Technical Skills - Strong fundamentals in backend engineering: APIs, data modeling, databases, and distributed systems - Experience with cloud platforms (AWS preferred) and cloud-native service design - Familiarity with event-driven architectures (queues, streams, async processing) - Strong testing, debugging, and production-support practices Technical Leadership - Ability to set technical direction and make sound judgment calls without direct authority - Strong code review and mentorship instincts - Comfort representing a workstream in broader architecture discussions Domain & AI Exposure (Nice to Have) - Exposure to EDI standards or 3PL/WMS integration patterns - Experience integrating ML model outputs (forecasts, predictions, anomaly scores) into application logic - Interest in growing domain expertise in e-commerce logistics and fulfillment Collaboration & Communication - Ability to influence and align engineers without formal authority over them - Clear written and verbal communication, especially in async, distributed team settings - Comfort balancing hands-on technical work with guiding others This is a remote position and requires candidates to have an available work-from-home setup Desktop/Laptop system requirements: - 4th generation or higher, at least Intel i3 or equivalent processor; - at least 4GB RAM; - Windows 10 and above or MAC OSX operating system - You are required to provide your own dual monitors A strong and stable internet connection (A DSL, cable or fiber wired internet service with 10 Mbps plan or higher for primary connection) PC Headset A high-definition (HD) external or integrated webcam with at least 720p resolution. Please be aware of scammers. Spreetail will only contact you through Lever or the spreetail.com domain. Spreetail will never ask candidates for money during the recruitment process. Please reach out to careers@spreetail.com directly if you have any concerns. Emails from @spreetailjobs.com are fraudulent. #LI-Remote

Senior Staff Engineer

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