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See Our Methodology
Logistics-First Architecture

Modernize Without Downtime

Your operations are critical. We engineer cloud-native solutions and custom middleware, guaranteeing zero-downtime migration for your legacy systems with parallel shadow testing.

Core Competencies

Hardened Systems, Seamless Transition

We specialize in the complex challenges of mid-market logistics, delivering robust software solutions that integrate flawlessly with your existing infrastructure.

Custom Middleware

Database Migration

Hardened APIs

Bridge legacy applications to modern cloud platforms with bespoke integration layers. We ensure data integrity and real-time synchronization.

Transition from outdated systems like AS400 or mainframes to scalable cloud databases without operational interruption.

Build secure, high-performance APIs that power your logistics operations, designed for resilience and future scalability.

Close-up of a logistics system architecture diagram on a whiteboard, with specific components highlighted in orange, cool studio light, shallow depth of field
Close-up of a logistics system architecture diagram on a whiteboard, with specific components highlighted in orange, cool studio light, shallow depth of field
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Client Success Story

AS400 to AWS: Zero Downtime

A major regional distributor faced critical risks with their aging AS400 system. Fragile dependencies threatened daily operations and future growth. ShadowStack engineered a phased migration.

Our parallel shadow testing methodology ensured their entire order fulfillment and inventory management moved to AWS. Not a single minute of downtime was incurred during the transition.

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Deep Dive: Parallel Shadow Testing

Download our technical whitepaper to understand the engineering principles behind our zero-downtime migration guarantee.