Software architecture design
A documented architecture with the trade-offs written down — what scales, what it costs to run, and what happens when a component fails.
Custom software built to your process, not around it.
Architecture, integration, data migration and legacy modernization — systems designed for the way your business actually runs.
- Reference
- SVC-01
- Best for
- Operations that outgrew spreadsheets and licensed tools
- Engagement
- Fixed scope or dedicated team
- Starts with
- Paid discovery
Off-the-shelf software makes you adapt your process to a product built for someone else. Custom software starts from the process you already have, removes the manual work around it, and connects the systems you already run.
We build the whole system: the data model, the services behind it, the interfaces your team uses, and the integrations that tie it to everything else in the business.
§ 01ScopeWhat is included
What this covers
System integration services
Connecting your new system to ERPs, CRMs, payment providers and partner APIs, with retry and reconciliation handled properly.
Data migration services
Moving live data from legacy systems with validation, dry runs and a rollback path, so cutover is not a leap of faith.
Legacy application modernization
Replacing an ageing system in stages while it stays in production, instead of a big-bang rewrite that stalls the business.
§ 02MethodFour reviewable stages
01
Discovery and process mapping
We sit with the people who do the work, map the current process end to end, and mark where the system will help and where it will not.
02
Architecture and scope
A written architecture, a milestone plan and fixed prices per milestone before development starts.
03
Incremental build
Two-week increments with working software at the end of each, reviewed by your team as it lands.
04
Cutover and handover
Migration, monitoring, documentation and a walkthrough for the people who will run it after us.
§ 03DeliverablesYours at handover
What you get
Concrete deliverables, listed in the contract. Everything below belongs to you at handover.
- Architecture and data-model documentation
- Source code in repositories you own
- Automated test suite and CI pipeline
- Deployment and rollback runbook
- Migration scripts and validation reports
- Handover walkthrough for your team
§ 04QuestionsShort answers
Questions about custom software development
How long does a custom build take?
It depends on scope, integrations and how much of the data is clean. Discovery gives you a milestone plan with dates before you commit to development, so you are not quoting from a guess.
Can you replace a system that is still in use?
Yes, and that is usually the safer route. We run the new system alongside the old one, migrate a slice at a time, and keep a rollback path open until the last component is moved.
§ 05RelatedThe rest of the practice
Other practices
IT audit & consulting
Infrastructure, security and cost reviews
View service →Web application development
Portals, platforms and customer-facing sites
View service →Mobile app development
iOS, Android and cross-platform builds
View service →UI/UX design
Research, prototypes and design systems
View service →Maintenance & support
Monitoring, fixes and helpdesk under SLA
View service →Ready to scope your project?
Tell us what you are trying to solve. You will get a reply from someone who would work on it, not a sales script.