Spawn Point

Minecraft Portfolio Realm

Explore my work, skills, and experience like an open-world map. Every chunk below is driven by live portfolio data.

Youhana Sheriff

Software Developer

Builds

Crafts

Quests

OSS

LLM/RAG Systems Engineer

Builds LLM applications with RAG, embeddings, vector search, agent memory, model orchestration, and practical evaluation loops for real product workflows.

Adventure Realm

Enter 3D Realm

Open the dedicated 3D world experience in a separate route for smoother navigation.

Launch 3D Realm

Includes first-person movement, district buildings for skill areas, and quick teleports.

Build Biome

Project Builds

models-edge-devices

Split-architecture edge AI that pairs real-time YOLO/RF-DETR detection with a LoRA-tuned TinyLlama reasoning model for constrained NPU/BPU hardware.

Edge AILoRAQuantizationllama.cpp

Visit Build

pocket_ai

Offline real-time obstacle-detection assistant that turns a camera feed into spoken guidance with YOLO11, depth estimation, and spatial reasoning.

YOLO11ONNXEdge AIComputer Vision

Visit Build

SimpleMem

Lifelong memory for LLM agents with semantic structured compression, multi-view indexing, adaptive retrieval, and vector search.

LLMAgentsRAGVector Search

Visit Build

llm-rag

RAG over PDFs with document ingestion, embeddings, vector similarity search, and LLM-powered question answering.

RAGEmbeddingsLLMTypeScript

Visit Build

video-composer

AI short-form video pipeline for TikTok, YouTube Shorts, and Reels using TTS, Whisper transcription, GPT-4 Vision validation, and stock-footage assembly.

OpenAIWhisperGPT-4 VisionPython

Visit Build

Kizu

AI personal-finance app using ML Kit OCR receipt scanning, Claude for transaction extraction and categorization, and a RAG pipeline for financial insights.

FlutterFirebaseClaude AIML Kit OCR

Visit Build

Chatiko AI

AI chatbot companion — a personal virtual assistant in text form. Live on Google Play (sold to Sheriax).

FlutterOpenAIGoogle AIFirebase

Talky

Language-learning app with AI content moderation for safer generated and user-submitted content.

FlutterAI ModerationFirebase

Drawink

Local-first collaborative whiteboard with multi-board workspaces, real-time collaboration, cloud sync, and offline-first architecture.

Web AppReactTypeScriptReal-time

Visit Build

Echify

Video-first social-commerce app with a multi-vendor marketplace, Stripe Connect payouts, and creator monetization — Mako IT Lab.

FlutterStripe ConnectAWS S3Firebase

RouteX

Offline-first construction logistics app with GPS tracking, route workflows, and field-ready cross-platform mobile UX.

Mobile AppReact NativeGPSOffline-first

Nidaa & TNTJ Apps

Community and utility apps shipped across Flutter, React Native Expo, and Next.js with mobile publishing and production operations.

Mobile AppFlutterReact NativeNext.js

Crafting Zone

Skill Crafting Table

LLMs (Claude, Gemini, OpenAI, OpenRouter, local)

RAG

Vector Search

LoRA/MLX Fine-tuning

llama.cpp

ONNX

YOLO

ML Kit

Embeddings

LLM Integration

Kimi (Moonshot AI)

GLM 5 (Z.AI)

Codex GPT

TypeScript

Python

Dart

Rust

Kotlin

JavaScript

Next.js

React

React Native (Expo)

Flutter

Node.js/NestJS/Fastify

AWS

GCP

Firebase

Docker

Kubernetes

Cloudflare

GitHub Actions

PostgreSQL

GraphQL

Git

Jira

Figma

Storybook

Sentry

Auth0

Quest Log

Experience Timeline

May 2024 - Present

Sr. Software Engineer

Mako IT Lab

Lead development of cross-platform mobile & web applications for multinational clients. Key projects: Cubanin (social commerce with React Native Expo, Next.js, AWS Amplify), Echify (Flutter social commerce with Stripe Connect and video editing), RouteX (construction logistics with offline-first architecture, real-time GPS tracking, and route optimization). Mentor junior developers and manage agile sprints.

Jun 2023 - Present

Founder & Product Engineer

Sheriax Solutions

Led development of multiple products: Kizu — AI-powered financial recovery app with Flutter, Firebase, ML Kit OCR, and Claude AI; Drawink — local-first collaborative whiteboard with React, TypeScript, real-time sync; Talky — language learning app with AI content moderation. Built edge AI solutions with MLX, LoRA fine-tuning, and llama.cpp. Managed cloud infrastructure (AWS, Firebase) and CI/CD with GitHub Actions.

Aug 2023 - Feb 2024

Software Engineer

Rescript Welltech Private Limited

Built Anyo, a stress management and wellness mobile app using Flutter. Implemented venting platform with real-time feeds, integrated AI chatbot for stress management solutions, and developed a psychologist booking platform. Focused on mental health features and user engagement.

Oct 2022 - Aug 2023

Front-End Developer

Mywam Sdn Bhd

Developed and maintained front-end mobile and web applications. Built responsive user interfaces with modern JavaScript frameworks, handled API integrations, and ensured cross-browser compatibility.

July 2021 - Oct 2022

Software Developer

Francium Tech

Developed and maintained cross-platform mobile applications using Flutter (Dart) and web applications with React.js, Next.js, and React Native. Integrated REST APIs and state management solutions. Collaborated with cross-functional teams using Git, Jira, and agile methodologies.

May 2021 - Jun 2021

Front-End Engineer

Cappricio Securities

Built the company website and blog platform from scratch using HTML, CSS, and JavaScript. Delivered a professional landing page with integrated course listings for their educational institution.

Oct 2020 - May 2021

Web Developer

SnowBirds

Designed and developed a calm-themed e-commerce landing page using HTML, CSS, and JavaScript to showcase product offerings with a clean, user-friendly interface.

Village Center

Villager Feedback

Karthi

Cappricio Securities

I didn't expect it to be this good since it is purely JavaScript only. However, it is satisfying and I'm happy with the outcome.

Venkat

Snowbirds

I'm really happy with the website's simplicity as well as the richness of the design. I need to do a lot. I'm looking forward to work with you in the future.

Redstone Lab