(for a U.S.-based eCommerce technology company modernizing its fulfillment and logistics platforms)
About the Role We’re seeking a
Staff .NET Core Developer (C#)
to design, build, and scale the internal systems that power one of the nation’s fastest-growing eCommerce logistics operations. You’ll work on complex, high-impact applications that connect digital tools with real-world fulfillment center technology — optimizing how inventory, orders, and operations flow across the network.
This is a hands-on technical leadership role — ideal for an engineer who combines strong architectural instincts with a builder’s mindset. You’ll shape foundational systems, mentor other developers, and collaborate across product, UX, and data teams to deliver stable, scalable, and future-ready software.
Responsibilities Design and develop backend systems and APIs using
Requirements 8+ years of professional experience developing enterprise applications in
C# / .NET Core . Proven experience designing APIs, microservices, and distributed systems. Strong understanding of
Azure
or other cloud environments. Solid grasp of data modeling, performance optimization, and system integration. Comfortable navigating complex codebases and improving existing architecture. Excellent communication skills and the ability to collaborate with cross-functional teams. Self-starter mindset — curious, proactive, and driven to improve systems and team velocity.
Preferred Qualifications Experience in
logistics, fulfillment, or eCommerce platforms . Experience designing distributed or asynchronous backend systems. Familiarity with CI / CD pipelines and DevOps practices in Azure.
What You’ll Love Working on mission-critical systems that power real-world logistics at scale. A culture that values
craftsmanship, ownership, and initiative . Collaborating with
time-zone-aligned teams
in a highly technical, fast-moving environment. The chance to make architectural decisions that impact thousands of daily operations.
Senior Developer • Maringá, Brazil