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App Development Company

expressFlow GmbH

Vienna software team that builds web apps, cloud services and interface designs

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About expressFlow GmbH

expressFlow GmbH was a software development company in Vienna. Its own pages say it has joined a group of companies and now operates under the name Lean-Forge. The team describes itself as developers who work on projects from web-only to full stack.

What expressFlow GmbH offers

Full-stack development — front ends in Angular and React, with back ends mostly in Node.
Mobile and multi-language work — code in TypeScript, Java, Swift, Kotlin and Scala.
Cloud services — microservices on AWS, Azure, IBM Cloud and Google Cloud.
Progressive web apps — apps built to keep working offline.
UX and UI design — an in-house studio designs accessible interfaces.

Who it works with

The team builds software-as-a-service products and updates them after launch based on what users need.

Key facts

Based in: Vienna
Now known as: Lean-Forge
Cloud focus: Mainly Google Cloud Platform

Profile written by TrustList from the business's own published information, Oct 2026.

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