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leanderfdes/README.md

About

I'm currently working as a Backend Engineer at TaxPlan Advisor, where I build production-grade backend systems for financial services.

My work focuses on designing scalable REST APIs, backend architecture, PostgreSQL database design, AWS deployments, and integrating AI-powered workflows into real-world applications.

Outside of work, I enjoy building products that combine clean engineering, intuitive user experience, and practical AI to solve real problems.


What I'm Working On

  • ⚡ Designing scalable REST APIs with FastAPI
  • 🏗 Building backend systems for production workloads
  • 🗄 PostgreSQL database architecture & optimization
  • ☁ Deploying and maintaining cloud applications on AWS
  • 🤖 AI-powered applications using LLMs and semantic search
  • 🔗 Third-party API integrations
  • 📈 Improving system performance and scalability

Featured Projects

⚖️ AI Legal Decision Support System

AI-powered legal assistant that performs semantic legal search, predicts relevant IPC sections, and generates intelligent summaries using LLMs.

Stack

Python • FastAPI • React • ChromaDB • Sentence Transformers • Gemini API

🔗 Repository

https://github.com/leanderfdes/ai-legal-decision-support


🎬 CineVault

Production-style movie discovery platform with queue-based background workers, authentication, scalable APIs, and premium frontend.

Stack

React • Node.js • Express • MongoDB • Redis • BullMQ

🔗 Repository

https://github.com/leanderfdes/Cinevault

🌐 Live

https://cinevault-ten.vercel.app


🚀 LLM Playground

Modern playground demonstrating FastAPI architecture with Gemini integration.

Stack

FastAPI • React • Gemini • Tailwind

🔗 Repository

https://github.com/leanderfdes/llm-playground

🌐 Live

https://llm-playground-fastapi-gemini-nffi-ou4twwlmk.vercel.app


🧶 Riddhi's Creation

Premium CMS-driven website focused on storytelling, performance, and immersive UI.

Stack

Next.js • TypeScript • Tailwind • GSAP • Sanity CMS

🔗 Repository

https://github.com/leanderfdes/riddhis-creation


🌐 Portfolio

Personal portfolio showcasing projects, experience, and engineering journey.

🌐 https://portfolio-lovat-tau-94.vercel.app

🔗 Repository

https://github.com/leanderfdes/leander-dev


Tech Stack

Backend

Database

Cloud & DevOps

Frontend

AI

  • Large Language Models (LLMs)
  • Retrieval-Augmented Generation (RAG)
  • Semantic Search
  • NLP
  • Sentence Transformers
  • Gemini API
  • Computer Vision

GitHub Stats


Thanks for visiting!

If any of my projects interest you, feel free to connect or explore the repositories.

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  1. llm-playground-fastapi-gemini llm-playground-fastapi-gemini Public

    Industry-ready LLM Playground built with FastAPI, Google Gemini & React. Deployed on Render + Vercel.

    JavaScript

  2. Legal-AI-Assistant Legal-AI-Assistant Public

    Intelligent legal decision support solution leveraging embeddings and vector search for IPC mapping and case analysis.

    Jupyter Notebook

  3. leander-dev leander-dev Public

    Premium personal portfolio showcasing AI, full-stack, and real-world projects with immersive UX.

    HTML

  4. Crochet-studios Crochet-studios Public

    A premium, CMS-driven handcrafted crochet studio website built with Next.js and Sanity, focused on storytelling, smooth animations, and WhatsApp-based inquiries.

    TypeScript