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Tofu System

From a good questionto a product of your own.

Each stage reduces uncertainty and leaves something you can review.

The next step has a reason.

Tofu SystemValue Map
ObjectiveDecisionEvidence
Value case
00

Value case

Does this problem deserve custom software?

Work
Baseline, current cost, opportunity, alternatives and risk of not acting.
Delivery
Map value, assumptions, investment range and criteria not to build.
To move forward
There is a valuable problem, a responsible person and an observable sign of improvement.
01

Understanding the operation

What should the system be able to do and under what restrictions?

Work
Roles, tasks, rules, exceptions, data, permissions and integrations.
Delivery
Operational map, critical flows, initial scope and assumption record.
To move forward
Problem, user, result and restrictions can be explained without a list of screens.
02

Designing architecture and risk

What structure holds the expected result?

Work
Attributes of quality, limits, threats, capacity and continuity.
Delivery
Blueprint, decisions, permission matrix, load profile and environments.
To move forward
Each critical decision has an alternative, consequence and validation form.
03

Test experience and scope

Does the solution solve the task and its exceptions?

Work
Prototype, content, states, recovery and feasibility.
Delivery
Demonstrable flow, interface contracts, backlog and acceptance criteria.
To move forward
We can demonstrate the main behavior, the most risky failure and recovery.
04

Build with quality cats

Does each increase work without compromising the base?

Work
Frontend, backend, integrations, tests, dependencies and documentation.
Delivery
Deployment increase, evidence of review and updated decisions.
To move forward
Agreed function, safety, performance and observability pass in the defined environment.
05

Validate and launch

Is the system ready to operate within the accepted risk?

Work
QA, accessibility, performance, migration, monitoring, rollback and transfer.
Delivery
Release readiness, residual risks, runbook and transfer evidence.
To move forward
Business and technical managers know what is validated, what is not and how to recover.
06

Measure and evolve

Is it producing the expected value and what decision is it following?

Work
Use, quality, operation, costs, incidents and business results.
Delivery
Review of results, visible debt and continuity recommendation.
To move forward
Continue, adjust, scale or stop is decided with evidence.

Building has to make sense.

We defined a sign of improvement before expanding the investment.

How we evaluate value and return

We record current cost, alternatives, investment and horizon. We separate monetizable savings, future capacity and risk reduction.

Estimated ROI
(cumulative profit − investment) / investment
Estimated payback
investment / net monthly profit

The scenarios depend on data and assumptions of the client. No return is published as a result without its measurement.