Building cost-effective web solutions and solving hard problems well.
Rapid River Software provides smart, cost-effective engineers who are driven by a passion for getting things done.
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Rapid River developers have substantial experience with the building blocks of today's Internet.

Custom Software Development

We can turn your idea into a live app built on modern software frameworks and development workflows.

Systems Architecture

We have decades of experience designing, upgrading and migrating complex systems in environments ranging from startups to large corporations to government.

Data Engineering

We build data ingestion and warehousing solutions that can capture thousands of events per second.

Case studies

Some client work we are proud of.


Built new "global nav"


Clunky beta app to new React-based app

Full Slate

Upgraded from Rails 2 to Rails 5

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Want to work with us? Want us to work for you? Have a question? Get in touch.