About

AI Engineer specializing in LLM systems, RAG pipelines, and intelligent information retrieval. Experienced in LangChain orchestration, prompt optimization, and vector database architecture. Passionate about building production-grade AI systems with measurable performance and real-world impact.

Specialization

Agentic Systems, RAG Pipelines, Generative AI, Prompt Engineering, and Machine Learning.

Current Role

Working Student — AI & Systems Engineer at Perinet GmbH, building Graph RAG pipelines and LLM evaluation systems.

Availability

Open to AI Engineer roles in Germany — remote friendly across EU time zones.

Resume

AI Engineer specializing in LLM systems, RAG pipelines, and intelligent information retrieval. Experienced in LangChain orchestration, prompt optimization, and vector database architecture. Dedicated to deploying scalable language model solutions that drive business value.

Professional Experience

Working Student – AI & Systems Engineer

Perinet GmbH | Cottbus, Germany

July 2024 - Present
  • Architected end-to-end Graph RAG pipeline with Neo4j knowledge graphs, combining adaptive PDF chunking with entity-relationship modeling for context-aware document retrieval.
  • Built hybrid retrieval system integrating ChromaDB vector search, cross-encoder reranking, and semantic caching (0.85 similarity threshold) to reduce latency and retrieval noise.
  • Engineered prompt optimization workflows with quantitative evaluation metrics, leveraging RAGAS framework to benchmark faithfulness, relevancy, and context precision.
  • Developed production-grade LLM evaluation pipelines measuring hallucination rates, response quality, and retrieval accuracy across multiple RAG configurations.

Education

Master of Science in Artificial Intelligence

Brandenburg Technical University | Cottbus, Germany

2022 - Present

Key subjects: Machine Learning, Deep Learning, Data Mining, Information Retrieval, Explainable ML, Computer Vision.

Bachelor of Computer Applications

Mahatma Gandhi University | Kottayam, India

2018 - 2021

Key subjects: Data Structures, Database Management Systems, Design and Analysis of Algorithms, Software Engineering, Computer Networks.

Portfolio

  • All
  • Projects
  • Achievements

SmartTuner: GRPO Reinforcement Learning System

Implemented Group Relative Policy Optimization (GRPO) algorithm for training small language models (135M-600M parameters) with 46% → 60%+ accuracy improvements

AI/ML Football Analysis System

YOLO-based object detection with ByteTrack tracking, K-Means clustering, and Optical Flow techniques

Financial Analysis AI System

4-agent CrewAI system with FastMCP server integration, NLP pipeline using deepseek-r1:7b for automated financial analysis

Job Search Automation System

Telegram bot with AI-powered relevance scoring using JobBERT transformers, LinkedIn scraping, and automated alert system

Google Cloud Readiness Program Badge

Google Cloud Skills Program – Silver League

Earned 43 skill badges (12,800+ points) with focus on BigQuery ML, Machine Learning APIs, and ML data pipelines on GCP. Proficient in CI/CD workflows, Kubernetes deployments, and Cloud Observability.

TryHackMe - Top 1%

112 rooms completed, 15 badges earned

Cybersecurity Engineer Internship Certificate

Cybersecurity Engineer Internship

Skills

Comprehensive AI Engineer expertise in LLM development, RAG systems, evaluation frameworks, and production-grade AI pipelines.

LLM Development

  • LangChain
  • Prompt Engineering
  • RAG Design
  • Chunk Optimization
  • Context Evaluation
  • LLM Monitoring

AI Frameworks

  • PyTorch
  • TensorFlow
  • Transformers
  • SentenceTransformers
  • Hugging Face
  • CrewAI
  • Ollama

Vector & Graph Databases

  • ChromaDB
  • Pinecone
  • Neo4j
  • FAISS
  • RAGAS
  • Synthetic Data Generation

Programming & Tools

  • Python (Expert)
  • Go
  • Git & Docker
  • Linux
  • RESTful APIs
  • Pandas & NumPy
  • Scikit-learn
  • Matplotlib

Machine Learning

  • Supervised Learning
  • Reinforcement Learning
  • Model Fine-tuning
  • Explainable AI

Languages

English (C1 - Advanced) German (A2 - Elementary, improving)

GitHub Activity

My open-source contributions and coding activity

Alwin Paul's GitHub Stats
Alwin Paul's Top Languages
Alwin Paul's GitHub Streak

Contact

Feel free to contact me through any of these methods:

Location:

Germany

Call:

+4917677354827