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Focusing
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SourceCode000/README.md

Hi, I'm Sebastian 👋

I'm a Backend Engineer who builds and maintains generative AI systems in production.

About Me

  • 🛠️ I work on AI system integration — wiring up LLMs, RAG pipelines, and agentic workflows into reliable backend services
  • 🔌 I work with both open-source models (Llama, Mistral, Qwen) and paid APIs (OpenAI, Anthropic, Gemini), picking the right tool for the job
  • ⚖️ I focus on system design and tradeoffs — latency vs. cost, accuracy vs. speed, flexibility vs. simplicity — always tied back to business objectives
  • 🧰 Daily drivers: Python, FastAPI, Docker, Kubernetes, AWS, LangChain, PostgreSQL, Redis

Fun Facts

  • ☕ I hate coffee
  • 🏔️ Mountains over beaches, always
  • 🤖 I have a deep dislike for vibe coders
  • 🌙 My best code gets written after midnight

Reach Me

📧 manassebastian007@gmail.com

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  1. Transaction-Fraud-Detection-System-End-to-End-ML-Application- Transaction-Fraud-Detection-System-End-to-End-ML-Application- Public

    A production-style machine learning system that detects fraudulent financial transactions using feature engineering, probabilistic risk scoring, and rule-based decision thresholds.

    Jupyter Notebook 1

  2. Dynamic-Price-Prediction-Model Dynamic-Price-Prediction-Model Public

    A Predictive model for determining the total fare charge for a Taxi ride

    Jupyter Notebook

  3. Stock-Price-Prediction Stock-Price-Prediction Public

    This project focuses on predicting the stock prices of Tesla using historical stock market data. The project involves data preprocessing, exploratory data analysis, model training, and evaluation. …

    Jupyter Notebook

  4. personal-finance-llm personal-finance-llm Public

    LLM that answers personal finance questions — fine-tuned, deployed on AWS, production-ready.

    HTML

  5. Sentiment-Analysis-for-Brand-Monitoring Sentiment-Analysis-for-Brand-Monitoring Public

    Jupyter Notebook