We build AIthat ships.

No bloated timelines. No enterprise overhead. We just deliver.

What we do.

  • AI Agents & Automation

    Agents that don't just chat. They execute real actions. Automate workflows, generate content, and handle business logic.

    • Autonomous Agents
    • Workflow Automation
    • Lead Generation
    • Voice Agents
  • AI Integration & Modernization

    Embed AI into your existing products and workflows. Upgrade legacy systems with intelligent capabilities.

    • API Integration
    • Legacy Modernization
    • Process Optimization
    • AI Feature Development
  • Full-Stack AI Products

    End-to-end design and development of AI-powered platforms. Architecture, backend, frontend, and deployment.

    • Platform Architecture
    • API & Backend Systems
    • Frontend Development
    • Production Deployment
  • Document Intelligence & RAG

    Semantic search, knowledge bases, and document processing that understands context, not just keywords.

    • Semantic Search
    • Vector Databases
    • Knowledge Bases
    • Document Processing

Selected work.

Enterprise SaaSLead Engineer

Quoting Agent

An AI agent that automates high-volume quoting in Salesforce CPQ: it reads contracts and subscriptions, applies pricing rules, and writes the quote back to Salesforce.

Took it from first build through user acceptance testing to production, in the client's own AWS environment.

  • TypeScript
  • LangGraph
  • Claude
  • Salesforce CPQ
  • AWS
Legal TechFounding Engineer

Mikai Legal

AI-powered semantic search and retrieval system for legal discovery. Built from the first line of code to full production system.

Outperformed keyword-based search with context-aware semantic retrieval across hundreds of thousands of legal documents.

  • FastAPI
  • PostgreSQL
  • Pinecone
  • AWS
  • React
Trades & ServicesAI Engineer

Voice Agent

German-speaking voice agent for craftsmen. Automates phone intake so they never miss a lead.

Built to cut missed calls and improve the customer experience for service businesses.

  • LiveKit
  • Gemini
  • ElevenLabs
  • Python
Financial AdvisoryAI Engineer

Proposal Designer

Generates branded proposal decks and statements of work from a one-line request, grounded in the client's past proposals, qualifications and bios.

Drafts come out in the client's own PowerPoint and Word templates, ready to edit.

  • Python
  • LangGraph
  • LlamaIndex
  • Pinecone
  • FastAPI
Financial AdvisoryAI Engineer

Deal Monitor

Watches public news across the top 50 US private-equity funds for acquisitions, exits and financings, and turns it into a prioritized deal feed.

Each deal shows its key details and contacts, with a chat assistant and AI-drafted outreach on demand.

  • Python
  • Firecrawl
  • FastAPI
  • React
  • TypeScript

Here's how we work.

  1. 01

    Discovery

    Deep-dive into your business, data, and goals.

  2. 02

    Strategy

    A clear plan with technology choices and timeline.

  3. 03

    Build

    Iterative development with weekly checkpoints.

  4. 04

    Deliver

    Production deployment with docs and knowledge transfer.

Rosarium AI

Founded by Frane Spahija

Full stack
Architecture, build and deployment
Worldwide
Remote, across time zones

Deep expertise.
Startup speed.

Rosarium AI is led by Frane Spahija, an engineer who builds AI products end to end. Recent work includes an enterprise quoting agent in Salesforce CPQ and the semantic search platform behind Mikai Legal, where he was the founding engineer. He also co-founded BlizzardBerry, a platform for embedding AI agents into web apps.

We work with companies worldwide. We build the AI systems and platforms that actually make it to production.

Ready to bring AI
into your business?

Start with a free strategy call. No commitment, no sales pitch.

Let's talk.

Tell us about your challenge. We'll respond within 24 hours.

Free Strategy Call

30 minutes to understand your challenge and explore solutions.

No Sales Pitch

A genuine conversation about your goals, not a sales funnel.

Clear Next Steps

You'll leave with actionable insights, whether we work together or not.