Work
Engagements that show how the work is done.
Some projects are public by their nature, a national blockchain product, or a platform you can click. Others are described by sector, without names or identifying detail. That is the ordinary price of working inside organisations that do not publish their architectures, and we would rather pay it than work around it with hints.

National postal operator
2023–2024
A postage stamp on a blockchain, for a buyer with no wallet
How to issue a philatelic release with an on-chain counterpart without losing the regulated status of a postage stamp, and without requiring the buyer to understand crypto.
- Organisation size
- 80,000+ employees
- Product reach
- Nationwide

Development banking, public sector
2017–2021
Replacing a core banking system is an organisational problem
How to run the largest technology transformation in a bank's history when the difficulty lies not in the new system but in the volume of parallel decisions and cross-team dependencies.
- IT organisation
- 300+ people
- Parallel project teams
- 10+
Described by sector, no organisation name and no identifying detail.

KNF-regulated fintech
2021–2022
A crowdfunding platform built from zero, under supervision
How to take a fintech platform from an empty repository to production in the cloud when supervisory requirements apply from day one rather than from the first audit.
- Starting point
- Zero to production
- Environment
- Azure cloud

Own products, open source
2025–2026
Cryptographic-signature login without giving up the corporate IdP
How to accept Ethereum signature authentication while keeping the roles, MFA, audit trail and federation that an enterprise-grade identity provider gives you.
- Extension depth
- Custom SPI, not configuration
- Client side
- Published npm package (MIT)

Own tooling, open source
2026
Architecture documentation that is not stale on the day it ships
How to make an architecture model and its governance leave machine-checkable evidence, instead of diagrams and meeting notes that nobody ever verifies.
- Lifecycle coverage
- 19 skills, define through maintain
- Output format
- ArchiMate 3.2 validated against XSD

Pet food manufacturing, B2B private label
2026
Ten internal systems without ten separate stacks
How to build a dozen internal systems for a manufacturing plant and its sales operation without reaching the point where maintenance costs more than the build.
- Systems on shared infrastructure
- About 10, on a single VPS
- Supplier price list validation
- 8–12 h of manual work to ~5 min plus 15–30 min of review
Described by sector, no organisation name and no identifying detail.