Hi, I'm Zaraar Malik

Machine Learning Engineer

I create end-to-end machine learning pipelines that power smarter products and better decisions.

About Me

Get to know me better

Profile

I'm a Machine Learning Engineer passionate about AI, deep learning, and building production-ready intelligent systems. I enjoy transforming ideas into real-world AI solutions.

I specialize in scalable ML models, end-to-end pipelines, and GenAI applications. My work spans LLMs, RAG systems, computer vision, and small language models, always exploring new AI frontiers.

Outside of coding, I research emerging study about AI trends, study about new technologies.

Work Experience

My professional journey

Machine Learning Engineer

Apexbeat - Manchester - United Kingdom

September 2025 - Present

  • Built a production-grade multi-modal medical chatbot.
  • Engineered automated pipelines for document ingestion, formatting, cleaning and DB insertion.
  • Deployed MMM-RAG chatbot on AWS handling for 2,000+ active users.
  • Integrated MongoDB for chat histories and personalized user interaction data.

AI Intern

Systems Limited - Islamabad - Pakistan

June 2025 - August 2025

  • Fine-tuned transformer LLMs for internal use cases to improve latency and relevance.
  • Built Azure pipelines and containerized AI services using Docker.
  • Ran feasibility studies on GenAI projects, assessing trade-offs and performance.
  • Optimized model serving for better cost, speed, and reliability.

AI Research Assistant

FSM - Islamabad - Pakistan

September 2024 - March 2025

  • Enhanced financial ML datasets in collaboration with Data Engineering.
  • Ran churn, credit risk, and investment likelihood experiments.
  • Built a RAG-based Investment Assistant with region-specific insights.
  • Developed reproducible pipelines for fast model testing and iteration.

AI Intern

AIO (Silicon Valley) - Islamabad - Pakistan

June 2024 - August 2024

  • Worked with Data Engineering team to refine and improve data for model training
  • Developed Custom Evaluation Metrics for the model
  • Optimized model performance by 20% through hyperparameter tuning and quantization

Skills & Technologies

Technologies I work with

Programming & Frontend

Python
JavaScript
HTML5
CSS3
Next.js
Tailwind CSS
Java

AI & Deep Learning

PyTorch
TensorFlow
Scikit-Learn

Databases & Pipelines

MongoDB
PostgreSQL
Qdrant
Qdrant
Chroma
Chroma

Tools & Deployment

FastAPI
Flask
Docker
Vercel
Git
AWS

Featured Projects

Some of my recent work

🩺

Multi-Agent Chatbot for Medical Reimbursement

AI assistant automating medical receipt reimbursements, enabling agent collaboration, validation checks, and error handling to reduce manual effort.

PythonRAGFastAPILangChainTransformers
🤖

TinyLLM RAG Chatbot for Task-Specific Queries

Experimented with lightweight LLMs for RAG, optimizing chunking strategies and evaluating trade-offs between efficiency, accuracy, and deployment cost.

PythonTinyLLMRAGLangChainVector DBs
📄

Multi-Document RAG System

Developed a system to retrieve and synthesize insights across large document collections, designing chunking strategies, indexing pipelines, and scalable retrieval methods.

PythonRAGFAISSQdrantLangChain
👗

Snap Shop – GenAI Fashion Synthesizer

Web-based try-on platform using LoRA-tuned diffusion models for garment synthesis and fashion visualization.

PythonPyTorchDiffusion ModelsLoRAReactFastAPI
🎮

Procedural Game Level Generation

Generated playable Mario levels using DCGAN and WGAN architectures to automate game design workflows.

PythonPyTorchDCGANWGANGANs
🔍

Hidden Object Detection

Fine-tuned YOLOv8 and Faster R-CNN on iMaterialist and Object365 datasets for detecting objects in cluttered environments with an interactive frontend.

PythonPyTorchYOLOv8Faster R-CNNReact

Get In Touch

I'm always open to discussing new projects, creative ideas, or opportunities to be part of your visions.

Let's Connect

Feel free to reach out if you're looking for a developer, have a question, or just want to connect.

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