Senior Staff Engineer

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.

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

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