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Product Architecture & Living Documentation
Working software begins before code. We build a living product model that connects business goals, domain logic, user experience, data, architecture, and delivery—and evolves alongside the implemented system.
Services
When you need it
- The rules of the business live in spreadsheets, and only a few people know how to work with them.
- The system grew with the business, so decisions were taken along the way and fitted into whatever already existed.
- You are preparing a new product or a major new initiative.
- Requirements are incomplete, scattered, or understood differently by stakeholders.
- The system’s workflows, boundaries, entities, or integrations are unclear.
- Existing documentation is outdated, contradictory, or difficult to use.
- The team needs a shared foundation for design, estimation, and development.
Services
What’s included
- 01
Process model
The business process is taken apart into data, processing nodes, the rule behind every change, and three levels of access: reading data, running processing, and changing how processing works. Every rule of change carries its own properties: whether the change is atomic across several sets of data, whether it is recorded as a journal entry or overwrites state in place, and whether it can be reversed. The model then goes through an optimisation pass that removes duplicated data, nodes that change nothing, and rights that repeat one another.
- 02
Domain vocabulary and taxonomy
We fix the vocabulary of the domain: which things are entities with a life of their own, which are configuration that shapes behaviour, and which are shared classification. The taxonomy built on it keeps one word meaning one thing in the description, the interface, and the data.
- 03
Layers and responsibilities
Responsibilities are separated into layers before anything is automated: what data exists and how it is related, who maintains that data, and who uses it and what they are allowed to do with it. Access rights are the boundary between those layers, not a setting added afterwards.
- 04
Product context and scope
We clarify goals, users, business rules, constraints, stakeholders, and the boundaries of the initiative.
- 05
Documentation review and gap analysis
When materials already exist, we assess their clarity, completeness, consistency, structure, and relevance.
- 06
System and workflow design
We describe user flows, screens, core entities, business modules, integrations, and relevant API interactions.
- 07
Architecture decisions
We document the proposed system structure and technology choices in the context of product requirements and constraints. Structure is defined on a graph of relations, where dependencies are directed vectors with weights and layers are separated by responsibility.
- 08
Living documentation and roadmap
We organize requirements, decisions, phases, dependencies, priorities, and acceptance criteria, then keep them aligned with implementation.
Services
Process
- 01
Define the starting point
We agree whether the work begins with an idea, existing documentation, a working system, or a combination of them.
- 02
Discover or audit
We gather product context and examine current materials to identify requirements, gaps, and open questions.
- 03
Model the product
We define or refine workflows, domain entities, system structure, interfaces, and architecture decisions.
- 04
Validate through development
Documentation is checked against working implementation and updated as the product and technical understanding evolve.
- 05
Review and hand over
We align the final state with stakeholders and provide an up-to-date product and engineering context.
Every service runs on the same delivery system: documented flows become executable scenarios that agents check before you see an increment.
How our delivery worksServices
Result
You receive a living product model and an agreed documentation package that guide design, implementation, testing, and future development. Its exact composition follows the product scope and starting point.
Need clarity before building or improving a product?
Let’s define the product model and documentation your team needs.