https://semishan.pro/notes/Notes by Oleksandr Semishan, AI integrator: forward deployed engineers, hiring a freelance AI engineer, integrating LLMs into business software, deterministic forecasting and workflow systems.en https://semishan.pro/notes/what-is-a-forward-deployed-engineer/https://semishan.pro/notes/what-is-a-forward-deployed-engineer/Wed, 14 Oct 2026 12:00:00 +0300A forward deployed engineer works inside the client's business, uses its real data and systems, and takes an AI solution to production. What the role is and when a company needs one. https://semishan.pro/notes/forward-deployed-engineer-vs-solutions-engineer/https://semishan.pro/notes/forward-deployed-engineer-vs-solutions-engineer/Wed, 14 Oct 2026 12:00:00 +0300Forward deployed engineer vs solutions engineer: who builds, who sells, who owns production. A side-by-side comparison and how to choose for an AI project. https://semishan.pro/notes/how-to-become-a-forward-deployed-engineer/https://semishan.pro/notes/how-to-become-a-forward-deployed-engineer/Wed, 14 Oct 2026 12:00:00 +0300How to become a forward deployed engineer: the skills that matter, a realistic path from software engineering, and how to build proof of work without a job title. https://semishan.pro/notes/ai-integrator-vs-ai-consultant/https://semishan.pro/notes/ai-integrator-vs-ai-consultant/Wed, 14 Oct 2026 12:00:00 +0300AI integrator vs AI consultant: one builds and wires AI into your systems, the other advises. A clear comparison, with a simple rule for choosing. https://semishan.pro/notes/how-to-hire-a-freelance-ai-engineer/https://semishan.pro/notes/how-to-hire-a-freelance-ai-engineer/Wed, 14 Oct 2026 12:00:00 +0300How to hire a freelance AI engineer: define the task, ask for proof of shipped work, agree acceptance criteria and a price model for short projects. https://semishan.pro/notes/integrate-llm-into-existing-business-software/https://semishan.pro/notes/integrate-llm-into-existing-business-software/Wed, 14 Oct 2026 12:00:00 +0300How to integrate an LLM into existing business software such as a CRM, POS or messenger: where to put the model, what to keep deterministic, and how to test it. https://semishan.pro/notes/deterministic-forecasting-vs-llm/https://semishan.pro/notes/deterministic-forecasting-vs-llm/Wed, 14 Oct 2026 12:00:00 +0300Why a forecasting system should use deterministic code and Monte Carlo simulation, not a language model, for the numbers. Reproducibility, back-testing and honest ranges. https://semishan.pro/notes/approval-rules-as-data/https://semishan.pro/notes/approval-rules-as-data/Wed, 14 Oct 2026 12:00:00 +0300How to build a flexible approval workflow: keep the rules as data, route by category, project, author and amount, and protect it with an append-only audit log. https://semishan.pro/notes/public-records-aggregation-build-vs-buy/https://semishan.pro/notes/public-records-aggregation-build-vs-buy/Wed, 14 Oct 2026 12:00:00 +0300Public records aggregation from official sources: when to buy a data provider, when to build an aggregator, and how to design one so a failing source does not stop the rest. https://semishan.pro/notes/ai-automation-for-small-business-where-to-start/https://semishan.pro/notes/ai-automation-for-small-business-where-to-start/Wed, 14 Oct 2026 12:00:00 +0300AI automation for a small business: how to pick the first task, what to automate first, what to keep human, and how to get a result in a few weeks.