FinserveLLC
Welcome

Engineering that crosses disciplines.

FinserveLLC is the independent practice of Mike Finnerty — a principal-level software engineer with two decades in production systems and a parallel career in enterprise audio-visual integration. We build the things in between: data pipelines that feed control systems, web apps that wrap proprietary hardware, and migrations that survive contact with the real world.

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What we do

Custom web applications, database architecture, AV control-system programming, and the integration work that ties software and hardware together. Short engagements and long retainers, on-site and remote.

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Latest insights

Field notes from the intersection of software engineering and AV systems integration.

Oct 1, 2026

The conventions of one discipline are completely foreign to the other. What software people get wrong about hardware integration — and vice versa.

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Sep 10, 2026

Why a schema-qualified Postgres database beats a fleet of per-site SQLite files once you have more than a handful of rooms — and what it costs.

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Aug 20, 2026

Phased migration techniques when the Access app is mission-critical and the budget for a rewrite is zero.

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