Write-ups from live programmes — what held, what we would sequence differently, and the parts that matter more than they sound like they should.
Practical field notes on legacy modernization, delivery, and cost — written from inside live programmes, not from the outside looking in.
Engineering · 8 min
Cloud-by-default has a blind spot: the field, the factory floor, the classified network, the regulator. What it takes to build software — and AI — that runs where the data must stay.
Integration · 9 min
The core system that runs the business is rarely the one you get to replace. The integration patterns for building modern product on top of it — and the trap to avoid.
Strategy · 8 min
Three modernization strategies, three different risk profiles. A framework for matching the approach to the system — and the true cost of reaching for a rewrite too early.
Platform · 8 min
Cloud bills quietly grow to two or three times what the workload needs. The practical, incremental checklist for taking a third off — without a migration freeze.
Delivery · 7 min
Most audits end in a slide deck nobody acts on. The four concrete artefacts a two-week assessment should hand over — and how clients turn them into approved budget.
Architecture · 9 min
Why incremental cutovers fail on the org chart before they fail on the code — and how to sequence a replacement so the business keeps running throughout.
Book a discovery call · info@etereosystems.com · Bratislava, Slovakia