Stax · Software engineering practice
Stax works on business-critical custom software that already exists—especially when the system has been inherited, poorly documented, left behind by its original developer, or become too risky to change casually. I recover how it works, stabilize what matters, modernize what needs changing, and keep building.
Senior-led · U.S.-based · Fixed-price when scope permits
When Stax is a fit
If standard off-the-shelf software genuinely solves the problem, you should probably use it. If the system is important and hard to change safely—that’s the work.
How engagements usually unfold
This is the commercial lifecycle of the client relationship—not a replacement for the Stax Method. The Method describes how Stax engineers. This describes what customers typically need over time.
Take over
Recover the technical and business context required to responsibly own the application.
Stabilize
Address immediate risks in deployment, dependencies, testing, data, integrations, or reliability where needed.
Modernize
Upgrade, refactor, migrate, re-architect, or selectively rebuild the pieces that are holding the system back.
Extend
Keep building the application once it is understood and safe to evolve.
Systems Stewardship can follow these stages as planned continuing responsibility—not as a 24/7 helpdesk.
The core problem
Years of workflows, exceptions, business rules, and institutional knowledge live partly in code and partly in people’s heads.
The business still has to run while the system is being understood or changed.
Developers leave, vendors end, acquisitions happen, and nobody confidently owns what can change next.
Stax Method
Software construction is getting cheaper. Understanding, judgment, and verification are not. The method keeps those under control.
The Stax Method: Understand, Model, Decide, Change, Verify, Learn. Understand: Recover how the operation and current system actually work. Model: Make workflows, states, business rules, data, dependencies, and constraints explicit. Decide: Maintain, stabilize, extend, modernize, rebuild, replace—or leave it alone. Change: Engineer the right intervention. Verify: Prove that behavior and outcomes match the intended result. Learn: Keep system knowledge current as the business and software evolve.
Groundwork Assessment
A Groundwork Assessment covers Understand + Model + Decide: a focused look at the operation, the current system, and the real options before significant implementation begins. Application Takeover Assessments use this same process in buyer-facing language.
The result is not automatically a development project. It is a clear recommendation. Standalone Groundwork Assessments start around $3,500.
What Stax does
Primary commercial work centers on existing business-critical applications. Supporting capabilities appear when the situation requires them.
Take over
Modernize
Continue engineering
Steward
Also available when needed: Groundwork Assessment, systems integration, operational software, and embedded engineering. Stax is not a greenfield MVP shop, web agency, AI automation consultancy, ERP implementer, or MSP.
Selected work
Warehousing · Active
ColdFusion inventory platform with little usable documentation, a fragile data layer, and institutional knowledge concentrated in one person—while the warehouse still depended on it day to day.
Approach: recover workflows and business rules first, then rebuild; 1M+ records migrated to date; designed around 20 operational roles.
Target (not a measured result): reduce manual work by more than 50%.
Read the case →Logistics · Active
Fragmented auction-to-shipment work across systems and manual steps. Continuity constraint: the operation could not pause while tools were consolidated.
Approach: one portal around the real workflow—lot and bid management, three clear-check providers, check-in, labeling, shipping.
Read the case →How Stax engineers
As more implementation can be delegated to machines, the engineer’s job concentrates on understanding, modeling, specification, architecture, verification, and responsibility.
Stax uses AI where it increases engineering leverage while keeping intent, architecture, specification, review, verification, and acceptance under human control. HDSE is an engineering framework—not a commercial AI service.
Engagement
Groundwork Assessment
from $3,500
Standalone Understand + Model + Decide before committing to implementation—including Application Takeover Assessments.
Focused engineering
scoped individually
Engineering engagements are scoped individually once the problem and required change are sufficiently understood.
Major work
scoped individually
Takeover, modernization, and continued engineering priced after Groundwork or equivalent understanding.
Systems Stewardship
from $2,500/mo
Planned continuing responsibility for technical health and evolution—not 24/7 support or unlimited bug fixing.
Embedded engineering
scoped by involvement
Senior specialist capacity inside your existing team for a defined problem, milestone, or period.
Stax-owned projects are normally fixed-price once the problem is sufficiently understood. Complex existing systems may begin with a Groundwork Assessment before implementation is priced.
Field Notes
Existing software
Old software often encodes business knowledge that isn’t documented elsewhere.
HDSE
Where AI accelerates work—and where engineering authority stays human.
Decisions
Rewrite is only one possible answer. Choose based on evidence.
Next step
You don’t need a specification or a solution. Tell me what you’re running, who owns it now, what is changing, and what you’re worried about. I’ll tell you whether the next move is to assess it, take it over, stabilize it, modernize it, keep building—or leave it alone.