北铸 · Product engineering for real-world operations

Make complex work
actually run.

NorthFoundry helps founders and small teams turn messy business workflows into reliable products—from discovery and delivery to deployment and ongoing operations.

From ambiguity to production
Understand the real workflowShape the smallest useful productLaunch it. Operate it. Improve it.
NorthFoundry / 北铸

Not a ticket taker.
A product partner.

The work starts before the first screen and continues after launch. Each engagement is shaped around a business outcome, not a pile of engineering hours.

01 / DISCOVER

Workflow discovery

Make the hidden rules, handoffs and failure points visible. Leave with a clear product direction and a buildable first scope.

02 / BUILD

Product delivery

Turn a real workflow into a usable web product, internal tool or AI-powered system with the right boundaries and feedback loops.

03 / RUN

Launch & operations

Deploy, monitor, back up and maintain the system in production. Keep improving it as the business learns what it actually needs.

One real system
behind the promise.

A field-tested example from a multi-store lottery retailer. Details are anonymized; the product decisions are real.

Case study / Retail reconciliation

Turning “why is the money off?” into a question with an answer.

A daily reconciliation system for a multi-store lottery operation, built around the way the stores actually close a day—not the way a spreadsheet assumes they do.

Request the case notes ↗
Business ruleDaily settlement meant opening cash could not simply roll forward from yesterday.
Product judgmentLet staff count tickets; let the system calculate sales from inventory movement.
Control boundaryPending inventory changes stayed out of the formal ledger until approval.
Production workMigration, deployment, permissions, privacy flows and post-launch inspection.
How I work

“The hard part is rarely writing the rule. It is finding out what the rule should be.”

NorthFoundry is built for the space between a founder’s messy reality and a stable production system. I bring product judgment, full-stack delivery and operational ownership into one engagement.

01Start from observable facts, not assumptions.
02Build the smallest product that changes the workflow.
03Keep unapproved state out of the source of truth.
04Inspect the system after launch, when reality starts talking.

Have a workflow that should be a product?

yuwenyisteve@gmail.com ↗