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⚡ Quantizing models, breaking latency limits
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⚡ Quantizing models, breaking latency limits

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Hi there, I'm Irtaz Irfan 👋

AI Systems & Machine Learning Engineer
Specialized in parameter-efficient model alignment, high-throughput LLM serving infrastructure, generative computer vision, high-dimensional vector search, and real-time distributed spatial backends.


🛠 Technical Stack & Tooling

Languages & Core Frameworks:
Python PyTorch FastAPI Dart Flutter React JavaScript Scikit-Learn SciPy

Generative AI, PEFT & Retrieval:
HuggingFace PEFT ChromaDB LangChain Mermaid.js

Systems, Databases & Infrastructure:
PostgreSQL PostGIS Docker Linux Git GitHub Actions Uvicorn


🔬 Flagship Deep Dives

  1. vlm-spatial-eval — Spatial Robustness Benchmark & LoRA Alignment for VLMs

    • Domain: Multimodal Alignment, Vision-Language Robustness & Parameter-Efficient Fine-Tuning (PEFT)
    • Capabilities & Metrics: Diagnosed architectural degradation modes across CLIP, SigLIP, and SmolVLM under photometric noise. Engineered a conversational synthetic instruction dataset and trained low-rank adapters (q_proj, v_proj, $r=8$, 0.29% trainable params) with prompt loss-masking. Achieved an +8.3% absolute accuracy gain on balanced relational discrimination without catastrophic forgetting on open-domain visual tasks. Automated with 12 unit tests and GitHub Actions CI.
  2. PagedInfer — High-Throughput Paged KV-Cache LLM Serving Engine

    • Domain: ML Systems Engineering, Memory Virtualization & Autoregressive Inference
    • Capabilities & Metrics: Implemented non-contiguous virtual memory block allocation for LLM key-value caches, eliminating memory fragmentation. Features continuous dynamic request batching, prefill/decode phase separation, and asynchronous streaming generation for high-concurrency client workloads.
  3. Dual-Attention-GAN-LLIE — Generative Low-Light Image Restoration

    • Domain: Deep Learning Vision Research, Generative Adversarial Networks & Restoration
    • Capabilities & Metrics: Architected a custom U-Net generator featuring interleaved spatial and channel-wise attention mechanisms paired with a relativistic discriminator. Evaluated on the LoLI-Street benchmark dataset with rigorous quantitative validation across PSNR, SSIM, and perceptual LPIPS metrics.
  4. VectorCore — High-Performance Vector Index & ANN Search Engine

    • Domain: Information Retrieval, High-Dimensional Vector Geometry & Embeddings
    • Capabilities & Metrics: Built a lightweight Approximate Nearest Neighbor (ANN) indexing system implementing optimized Cosine, Euclidean, and Dot-Product distance metrics. Delivers sub-2ms query latency with deterministic Recall@K across high-dimensional multimodal embedding distributions.
  5. MCP-Mesh — Distributed Agent Gateway & Model Context Protocol Mesh

    • Domain: Agentic Systems, Tool Orchestration & Microservice Interoperability
    • Capabilities & Metrics: Centralized agent-to-tool integration mesh built on the Model Context Protocol (MCP). Implements dynamic tool discovery, bidirectional JSON-RPC schema validation, process isolation, and fault-tolerant agent execution graphs.
  6. CTG_Shield_Spatial_Engine — Geospatial Risk Telemetry & Emergency SOS Dispatch

    • Domain: Geospatial Intelligence, Spatial Databases & Real-Time Telemetry
    • Capabilities & Metrics: Engineered an asynchronous FastAPI spatial telemetry engine backed by PostGIS spatial indexing (ST_Contains, ST_DWithin) for real-time hazard polygon intersections. Delivers sub-second emergency WebSocket broadcasts synchronized with the cross-platform native Flutter client (CTG_Shield_Mobile).

⚡ Developer Copilots & Applied AI Systems

Project Domain & Architecture Core Stack Repository
ArchLens AI System Design Audit & Topology Synthesis FastAPI • OpenCV • React • Mermaid.js View Code
IncidentPulse AI SRE Root-Cause & Telemetry Diagnostics FastAPI • SciPy EMD • React • Vite View Code
DocuAssist Grounded Enterprise Support RAG Engine FastAPI • Scikit-Learn • React • Vector Search View Code
Football Vision Real-Time Multi-Object Tracking & Pitch Heatmaps PyTorch • YOLO • ByteTrack • OpenCV View Code
RepoScope Codebase Cartography & AST Layer Blueprinting FastAPI • AST Parser • React • Mermaid.js View Code
SyncPilot Audio Diarization & Jira Action-Item Synthesizer FastAPI • Diarization Engine • React View Code
Vocalis Duplex Real-Time Voice Virtual Assistant FastAPI • Web Speech API • Harmonic WAV View Code
EvalIQ AI Mock Technical Interview Coach & Rubric Scorer FastAPI • Speech Recognition • Rubric Scoring View Code

Pinned Loading

  1. vlm-spatial-eval vlm-spatial-eval Public

    Spatial Reasoning & Robustness Benchmark for Vision-Language Models

    Python

  2. Dual-Attention-GAN-LLIE Dual-Attention-GAN-LLIE Public

    Official undergraduate thesis implementation: Dual-Attention Generative Adversarial Network for low-light image enhancement on the LoLI-Street benchmark.

    Python

  3. PagedInfer PagedInfer Public

    High-throughput LLM serving engine with paged KV-cache memory management and continuous batching

    Python

  4. VectorCore VectorCore Public

    Lightweight approximate nearest neighbor (ANN) vector search engine and embedding indexing pipeline.

    Python

  5. MCP-Mesh MCP-Mesh Public

    Distributed agent protocol gateway and tool orchestrator built on the Model Context Protocol.

    Python

  6. CTG_Shield_Spatial_Engine CTG_Shield_Spatial_Engine Public

    Real-time geospatial risk evaluation and SOS emergency dispatch engine powered by PostGIS and WebSockets.

    Python