Systems Design
Turn a messy process, scattered workflow or complex set of rules into a coherent system.
From problem to working product
Bring a complicated business problem, messy workflow, spreadsheet-led process or product idea. You do not need a technical specification. Constellation Highway can help define the problem, shape the system and build the right next stage—from a testable prototype or focused internal tool to a tested, deployed V1 where the scope supports it.
What this can mean
That could mean replacing a spreadsheet-and-email process, testing a product idea, extending an existing system or building a focused operational tool.
Turn a messy process, scattered workflow or complex set of rules into a coherent system.
Test the difficult assumptions early, with something real enough to learn from.
Continue through build, testing, documentation and deployment when the project calls for it.
Bring in focused support for one stage, the next stage or the whole route.
Replace awkward manual processes with a focused internal tool or workflow application.
Before we build, we S.I.T. UP.
S.I.T. UP means Structured Internally. Typed Up. You can explain the problem naturally—in a call, a meeting or a rough collection of thoughts. The structure happens behind the scenes, then comes back as a clear written record we can inspect together.

Scope first. Build in useful stages. Keep decisions, trade-offs and next actions visible.
Evidence over claims
Client product delivery
Meal planning, family input, food-needs controls and pack-aware shopping in a deployed mobile-first V1.
View case studyFinancial research systems
Governed data, reproducible evidence and explicit decision-support architecture.
Culinary simulation
State-driven ingredients, transformation, recipes, yield and reusable culinary physics.
Reusable living-universe engine
An independently packaged engine for persistent named populations, careers, history, turnover and replacement.
Tabletop-to-digital game design
Digital builds that take tabletop concepts from rules testing through to complete standalone or hosted games.
View case studyPhysical game-object design
A related family of four- and eight-face rolling forms that became the mechanical foundation for several distinct tabletop games.
View case studyWorldwide sports simulation
A fully playable four-year competition across 82 countries, 20 original events and 9,840 persistent athletes.
View case studySpatial systems
An illustrated world transformed into governed, machine-readable geography and exact shared spatial authority.
View case studyCabinet game portfolio
Distinct game mechanics backed by probability models, simulation and testing.
View case studyClient delivery and founder-owned work, presented transparently as evidence of capability. Rights remain with their respective owners and are not included by implication in a new engagement.
Founder-led
Stu Robertson designs and develops coherent, testable systems across simulation, financial research, games, persistent populations and spatial architecture.
Start a conversation
Bring the complicated version. We’ll define what needs to work, agree a sensible scope and identify whether the right next step is discovery, prototype, build or deployment.