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fahiiim/README.md
MD Fahim Sarker Mridul Professional titles

Portfolio LinkedIn GitHub Kaggle Email


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I build AI systems that survive outside the notebook.

I turn unstructured documents, complex models, and ambitious product ideas into
fast, dependable, production-ready AI applications people can actually use.

Currently working as a Mid-Level AI Engineer at SparkTech Agency, where I own
cross-functional teams and build scalable backend systems with FastAPI, RAG, OCR, NLP, computer vision, automation, and MLOps systems.


Production Systems Latency Open Source Reach Leadership


Live AI Applications

Live App

AWS FastAPI OpenAI NLP Textract

Untitled design

AI-powered U.S. route-processing platform that extracts route information automatically from permit documents using AWS Textract, OpenAI, NLP, and FastAPI.

Contribution: System architecture and end-to-end AI route-processing pipeline.

Live App

LangChain FAISS FastAPI OpenAI

image

Production-grade legal assistant for U.S. Federal and Michigan State law, powered by semantic retrieval, article-level indexing, and LLM-based reasoning.

Performance: Optimized retrieval and orchestration for sub-2-second responses.

Live App

LangChain FAISS FastAPI OpenAI

image

Muslim AI - Get instant answers to your spiritual questions with integrated AI, trained to provide context-aware guidance from reliable sources.

Role - I was the R&D lead of that project, did the System feasibility test, and also architected the cloud system.

Production System

AWS FastAPI OpenAI WhatsApp Telegram Google Calendar CI/CD

diagram-export-8-15-2026-10_25_43-AM

Production-grade AI-powered intake and workflow automation platform that processes requests from WhatsApp and Outlook, analyzes text and images, detects missing information, classifies risk, and intelligently routes requests for automated or human-assisted action.

Daily Storybook AI

Currently in Apple Apstore Testflight Mode

Read Case Study

FastAPI Microservices AWS PostgreSQL Redis Docker ECS SQS S3 Bedrock EC2 CI/CD

image

Scalable event-driven backend for an AI-powered fitness storybook platform using FastAPI, PostgreSQL, Redis, Docker, ECS, SQS, S3, Bedrock, and EC2.

Heavy AI workloads were decoupled from the main API using an event-driven microservices architecture to eliminate timeouts and improve system reliability.


Work Experience

SparkTech Agency

Current Role : Mid-Level AI Engineer
Timeline     : September 2025 – Present

Career Path  :
  Junior AI Engineer    : September 2025 – June 2026
  Mid-Level AI Engineer : July 2026 – Present
  • Promoted to own a cross-functional team of 3–4 engineers, overseeing system design, client communication, technical delivery, and engineering coordination.
  • Successfully delivered 12+ production AI systems spanning RAG, OCR, NLP, computer vision, and document intelligence.
  • Engineered scalable RAG pipelines using LangChain, FAISS, Pinecone, FastAPI, and LLM orchestration, achieving sub-2-second latency.
  • Established automated MLOps workflows with Weights & Biases, AWS, Docker, and CI/CD, accelerating model experimentation and production deployment.
  • Worked across multiple responsibilities as an AI Engineer, R&D Lead, Python Developer, and System Architect.

GUB Mars Rover Team

Position : Software Engineer
Timeline : August 2024 – October 2025
Rover    : CLADOS
  • Developed and programmed hardware systems for CLADOS, the GUB Mars Rover Team’s primary rover.
  • Contributed to the rover that ranked 6th worldwide and 1st in Asia at the 2026 Anatolian Rover Challenge.
  • Collaborated across software and hardware teams to integrate and test rover subsystems.

Read Achievement


Education

Degree      : Bachelor of Science in Computer Science & Engineering
University  : Green University of Bangladesh
Timeline    : February 2022 – January 2026
Major       : Artificial Intelligence and Machine Learning
Focus Areas : Generative AI · NLP · Computer Vision · MLOps · XAI

Tech Stack and Skills

// Languages

Python Java C SQL

// Machine Learning & Deep Learning

PyTorch TensorFlow Keras Scikit-learn XGBoost Feature Engineering CNNs Model Optimization

// Generative AI, NLP & LLMs

LLMs LangChain LangGraph OpenAI API RAG HuggingFace BERT GPT PEFT/LoRA Ollama NLTK spaCy Sentiment Analysis NER TF-IDF / Word2Vec

// Computer Vision & XAI

OpenCV YOLO Vision Transformers Swin Transformer Image Segmentation Object Detection Explainable AI Grad-CAM MediaPipe Detectron2 GANs & Diffusers Roboflow

// Data Science & Analytics

Pandas NumPy SciPy Matplotlib Seaborn Statistical Analysis Data Visualization Tableau Power BI

// MLOps, APIs & Deployment

MLflow W&B FastAPI REST APIs Docker CI/CD Microservices Event-Driven Architecture

// Cloud Platforms

AWS EC2 S3 ECS SQS Textract AWS Bedrock SageMaker Google Cloud

// Vector Databases & Databases

FAISS Pinecone ChromaDB PostgreSQL MongoDB Redis Elasticsearch

// Tools & Infrastructure

Git GitHub Linux Jupyter Google Colab Kaggle Postman


Open-Source Contribution

NeuroGebra

Real Training with Full ML Transparency

PyPI Documentation DOI

image NeuroGebra is an open-source symbolic-neural framework for visualizing machine-learning mathematics and neural-network operations in real time.
  • Makes model formulas, training behavior, gradients, and neural operations easier to understand.
  • Works as a learning companion alongside PyTorch and TensorFlow.
  • Adopted by 8,000+ students and researchers worldwide.
  • Published on PyPI with public documentation and a permanent DOI.
pip install neurogebra

Awards and Involvement

Awards:
  - Result      : 1st Runner-Up
    Competition : Comilla University Data Science Hackathon
    Date        : November 2024

  - Result      : Best Innovation Award
    Competition : IDP-1 University Project Showcase
    Project     : ViolaShield
    Date        : January 2025

  - Result      : Finalist
    Competition : NSU FutureBuilders AI Hackathon
    Date        : December 2024

  - Result      : Finalist
    Competition : BUBT AI Competition
    Date        : November 2025

Leadership:
  - Role         : Information Secretary
    Organization : GUB Computer Club
    Timeline     : 2023 – 2024
    Impact       : Organized 5+ ML-focused workshops for 200+ students

  - Role         : Enduring Member
    Organization : BASIS Students' Forum
    Impact       : Mentoring members on industry practices and career development

Let's connect

I’m open to AI engineering roles, research collaborations, open-source work,
and opportunities to build ambitious AI products.


Email LinkedIn Portfolio


Footer

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  1. NeuroGebra NeuroGebra Public

    Neural-powered mathematics for AI Enthusiasts, Educators and Engineers

    Python 6 1

  2. MLOps-using-the-Random-Forest-Model-on-the-Iris-Dataset MLOps-using-the-Random-Forest-Model-on-the-Iris-Dataset Public

    This is the Experimental way to use the mlfow to learn about the MLOps Pipeline.

    Python 1

  3. Cattle-Breed-Classification-and-Enhance-Explainability-with-XAI Cattle-Breed-Classification-and-Enhance-Explainability-with-XAI Public

    Jupyter Notebook 1

  4. Advanced-SMS-SPAM-Classification-STI-Client-Project Advanced-SMS-SPAM-Classification-STI-Client-Project Public

    The AI Solicitor stopper applications SMS Classifications ML training code will be uploaded to this repository. This is a real-time project from SparkTech Agency, and Rayan Liond is the client.

    Jupyter Notebook 2