Platforms
Internal platforms that squads actually want to open on a Monday.
Bratislava software studio
Software for operators who still want to own the stack.
Lumen Press designs platforms, cloud estates, and product surfaces for operators who still want the keys.
Services
Five practices. One house.
Selected note
From the studio
Platform teams that still ship
An internal platform dies when it becomes a ticket queue. Ours stay in the product calendar.
Read the noteInsights
What the squads are writing
Cloud accounts without the theatre
Landing zones are useful. Slideware about landing zones is not. A walk through one estate we actually run.
Product reviews that happen in the room
If the first honest comment appears in a chat thread after the meeting, the review already failed.
Threat models that fit on paper
A one-page model the on-call engineer can hold is worth more than a 90-page appendix nobody opens.
The engineering calendar
How a twelve-person studio protects deep work without pretending nobody has a pager.
A ledger cutover that held
Northledger moved posting off a weekend batch. The boring parts are the ones that mattered.
Harbor’s control plane
Harbor Ops needed one place to see ships, berths, and the jobs that fail at 4 a.m.
Partners
Still in the room
Mira Kolen
Managing partner
Erik Varga
Platforms
Nina Holm
Product
Otto Král
Security
Engagements
Tell us about the system.
A short note is enough. Partners read every letter.