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mj-963/README.md

Marcus Jacob — AI Application Engineer

AI Application Engineer specialising in LLM systems, RAG pipelines, and multi-provider AI orchestration. I build and ship production AI products — 20K+ combined downloads, 4.5+ ratings across mobile platforms.

Currently building AI-powered applications at Cyrex Ltd, integrating conversational AI, agent systems, and generative AI into real consumer and enterprise products.


What I Build

LLM & Conversational AI — multi-provider orchestration (OpenAI, Claude, Gemini, Grok), prompt pipelines, agent handoff systems, RAG pipelines with verified citations

Generative AI — image, video, music, and speech generation; Stable Diffusion integrations; multi-modal platforms

Mobile & Cross-Platform — Flutter/Dart applications across Android, iOS, and web with clean architecture (MVVM, Riverpod)


Projects

MediCortex — AI Research Assistant

RAG system over 50,000+ PubMed papers with hybrid semantic + keyword retrieval, citation-enforced responses, and sub-second query performance. Python Qdrant Gemini Vertex AI Flutter

MuseMify — AI Music & Audio Creator

Full-stack AI music platform supporting song generation, AI covers, cinematic monologues, audio extension, and lyrics generation — with a social discovery feed and offline playback. 5.0 stars. Flutter Python Firebase Generative AI APIs

ChatO1 — Multi-Provider LLM Platform

Unified interface for OpenAI, Claude, Gemini, and Grok with a standardised abstraction layer and intelligent model routing in progress. Flutter Python Firebase LLM APIs

ImageFlux — Generative AI Platform

Multi-modal AI platform supporting image, video, music, and speech generation across multiple providers including custom models. Flutter Python Node.js Firebase Generative AI APIs

MJ Chatbot — AI Companion App

GPT-4o powered chatbot with image generation, web search, voice mode, specialist personas, and multi-language support including Nigerian Pidgin. 10K+ downloads. Flutter Python Firebase OpenAI APIs


Tech Stack

LLM APIs RAG Prompt Engineering Generative AI Model Orchestration Python Flutter/Dart Vector DBs (Qdrant) Firebase PostgreSQL MongoDB AWS GCP Appwrite REST APIs CI/CD


Connect

LinkedIn · Email

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  1. fl_nodes fl_nodes Public

    Forked from WilliamKarolDiCioccio/fl_nodes

    A fully customizable, lightweight, and scalable node-based editor for Flutter.

    Dart 1

  2. medicortex medicortex Public

    AI-Powered Medical Research Assistant with Elastic hybrid search and Google Gemini

    JavaScript