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coollad49/README.md

Hello, I'm Daniel 👋

A Product-Focused Engineer

I build real products, not demos.

Most of my work lives at the intersection of full-stack engineering, AI systems, and product thinking — turning messy, manual workflows into clean, automated software people actually use.

I’m currently building quietly.


🧠 What I Care About

  • Shipping end-to-end products (idea → system → users)
  • Designing AI systems with clear guardrails and real utility
  • Automating boring, error-prone processes
  • Building tools for education, operations, and internal teams
  • Thinking like a founder, even when writing client's code

I don’t chase trends.
I chase problems that shouldn’t exist anymore.


🚀 Selected Work

📝 AI Exam Grader (VLM-Powered)

An automated system for grading handwritten theory exams, built to reduce bias and inconsistency in manual marking.

  • Visual Language Models interpret handwriting & diagrams
  • LLM agents grade against official marking guides
  • Async job processing + real-time progress updates
  • Designed for scale and fairness in large exam systems

Stack: Next.js, FastAPI, LangGraph, PostgreSQL, Redis, RabbitMQ, Docker


📚 Learn Your Facts

An AI-powered educational platform that generates structured, illustrated learning articles from any topic.

  • Custom prompt pipelines (no heavy AI frameworks)
  • Image + content generation orchestration
  • Built serverless, clean, and fast

Stack: Next.js, TypeScript, prisma, OpenRouter


📓 Generate Logbook Entries

An AI tool used by 50+ students to generate realistic internship logbooks in minutes.

  • Smart activity splitting
  • Multiple writing styles (technical, concise, detailed)
  • Built from a personal pain point → real adoption

Stack: Next.js, TypeScript, OpenRouter


🏥 Hospital Customer Support Chatbot

A domain-specific RAG-based assistant for hospitals.

  • Vector-grounded responses
  • Carefully engineered system persona
  • Manually deployed on AWS EC2 (Linux, NGINX, SSH)

Stack: Next.js, OpenRouter, Vector DB, AWS EC2


🏫 School & Admin Systems

Built multiple production systems for schools:

  • Bursary Management Dashboard (finance, invoicing, analytics)
  • School Website & CMS
  • Chapel Letter Automation System (desktop automation)

Focused on replacing manual institutional workflows with software.


🛠 Current Stack

Frontend

  • Next.js (App Router)
  • Tailwind CSS
  • ShadCN UI

Backend

  • Convex
  • Better-Auth
  • Server Actions
  • express
  • fast api

AI

  • Vercel AI SDK
  • LLM / VLM orchestration
  • RAG pipelines

Infra

  • Vercel
  • Modern, serverless-first deployments

🧭 How I Build

I think in systems, not features.

Every project asks:

  • What’s the real bottleneck?
  • What breaks at scale?
  • What should never be manual again?

If a solution isn’t usable, maintainable, and explainable — it’s not done.


📫 Find Me


Quietly building. Shipping deliberately.

Pinned Loading

  1. hina-aihina-aiPublic

    a personal AI developer assistant

    Python

  2. ecommerce_api_serverecommerce_api_serverPublic

    a secure backend api with jwt for an ecommerce

    TypeScript 1

  3. task-management-dashboard-applicationtask-management-dashboard-applicationPublic

    A Task Management Dashboard Application

    CSS

  4. Exam-AI-Grader-frontendExam-AI-Grader-frontendPublic

    TypeScript