Who we are

appamass is a specialized software studio for digital products where AI, mobile, and web work together seamlessly.

Our standard is technical excellence paired with modern Agentic AI development practice: we stand for clear architecture, clean system boundaries, and pragmatic implementation.

We work at the intersection of product idea, technical implementation, and operations. We do not just build isolated features, but the structure underneath them.

For us, Agentic Coding is a highly efficient tool in the engineering system – a tool that reaches its full effect only through our experienced architecture decisions.

appamass

Focus

Our focus is on new product systems (greenfields) and meaningful extensions where React Native apps, React web architecture, backend, cloud, and AI agents work together as one unit.

We are especially strong when a product is designed for scale from the start: AI agent orchestration, tools for AI agents, HITL gateways, excellent UI/UX, architecture efficiency, and long-term maintainability.

Not our focus: short-term patching without a product goal, unclear legacy rescue, or AI features without an operating model. We prefer working where technical clarity translates directly into measurable product value.

Rainer Dechet - appamass LLC

Team

Behind appamass is Rainer Dechet, Software Engineer since 2004.

His experience ranges from classic web development and system architecture to frontend solutions with React Native, Expo, React, Vite, and TypeScript, all the way to modern cloud architectures.

Today, appamass connects this experience with Agentic AI development in Python: ADK, Vertex AI, GCP, AI coding agents, multi-agent orchestration, AI code review, and product UIs for controllable AI.

What we do

Home

What we offer

Services

How we build

Tech Stack

Start project or scale further?

We support you.