Статті

Пишемо про те, як насправді будується програмне забезпечення.

Те, що ми дізналися, доставляючи виробничі системи. Прямо, з власною думкою і готові не погоджуватися з самими собою.

22 травня 2026 р.·2 хв читання·ai, delivery, engineering
AI-augmented delivery is the new baseline
Three years in, AI-assisted engineering stopped being a competitive edge and became the default. What separates teams now is what AI cannot do.
Автор: Kyrylo Osadchuk
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15 травня 2026 р.·3 хв читання·fintech, security, compliance
Your SOC 2 is not your security
SOC 2 tells your enterprise customer that someone audited your processes. It does not tell them, or you, that your software is secure. Those are different problems.
Автор: Kyrylo Osadchuk
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8 травня 2026 р.·2 хв читання·delivery, engineering-management
Staff augmentation is the most expensive cheap option
Hourly rates make staff augmentation look cheap. What it actually costs is the management overhead, the missing accountability, and the work that never gets done.
Автор: Kyrylo Osadchuk
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1 травня 2026 р.·3 хв читання·fintech, engineering, payments
Idempotency is the only thing standing between you and a duplicate refund
Payment systems get retried. Networks fail mid-call. Phones rotate. The difference between a clean ledger and a customer-support nightmare is whether your endpoints are honestly idempotent.
Автор: Kyrylo Osadchuk
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24 квітня 2026 р.·4 хв читання·healthcare, integration, fhir
FHIR did not solve healthcare interoperability
Every health-tech founder eventually discovers the same thing: the standard exists, the implementations don't agree, and the gap is where the actual work lives.
Автор: Kyrylo Osadchuk
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19 квітня 2026 р.·2 хв читання·positioning, engineering
Why we stopped being a .NET shop
We grew up on .NET. We still ship a lot of it. But calling ourselves a .NET shop was telling clients the wrong thing about what we actually do.
Автор: Kyrylo Osadchuk
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10 квітня 2026 р.·3 хв читання·healthcare, security, hipaa
PHI leaks happen in your logs, not your database
Every healthcare team protects the database. Far fewer protect the logs, the error reports, the analytics events, and the AI prompts. That is where the leaks actually happen.
Автор: Kyrylo Osadchuk
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27 березня 2026 р.·4 хв читання·logistics, engineering, real-time
Most of your real-time logistics features are not real-time
The dashboard updates every thirty seconds. The map shows positions thirty seconds old. The 'real-time' tracking link is honest only if you tell the customer what real-time actually means in your system.
Автор: Kyrylo Osadchuk
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13 березня 2026 р.·4 хв читання·logistics, mobile, engineering
Your driver app needs to work in a Faraday cage
Logistics software that assumes connectivity will fail in production on roughly day three. Building offline-first is not premium engineering; it is the only kind that ships.
Автор: Kyrylo Osadchuk
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28 лютого 2026 р.·4 хв читання·saas, security, enterprise
What B2B SaaS founders learn during their first enterprise security review
The deal is verbally closed. The security questionnaire arrives. Forty pages later, the founder discovers the gap between their architecture and what an enterprise buyer requires.
Автор: Kyrylo Osadchuk
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14 лютого 2026 р.·4 хв читання·saas, architecture, engineering
How to make the multi-tenancy decision you cannot easily reverse
Shared-database with row-level isolation, schema-per-tenant, or database-per-tenant. The wrong choice is survivable for a while, then it isn't. How to make it deliberately.
Автор: Kyrylo Osadchuk
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