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unknownsideofme/README.md
Debanjan Rakshit

Debanjan Rakshit

Software Engineer · AI Systems · Systems Engineering

Portfolio LinkedIn GitHub Profile Views


I build autonomous agent infrastructure, custom Kubernetes operators, and high-performance backend systems. My work bridges low-level systems engineering with modern AI orchestration—from building lightweight causal neural networks for real-time signal processing to designing tamper-evident governance pipelines for LLM agents.


What I Build

AI Systems & Governance

AI Badge

Autonomous agent orchestration platforms, Model Context Protocol (MCP) integrations, OPA policy enforcement, and lightweight neural network architectures for real-time inference.

Systems & Infrastructure

Systems Badge

Kubernetes controllers and custom CRDs, air-gapped infrastructure monitoring, thread-safe in-memory cache engines, and self-healing systems.

Search & Signal Processing

Search Badge

Hybrid retrieval engines combining sparse BM25 encoding with dense vector representations, alongside STFT spectrogram-based speech enhancement models.

Full-Stack & Developer Tooling

Tools Badge

Decoupled web applications utilizing multi-level progressive loading architectures, streaming HTTP APIs, and AI-powered browser developer tools.


Currently Building

Active Status

An orchestration platform that runs autonomous AI agents as first-class Kubernetes workloads with Prometheus metrics, Open Policy Agent (OPA) permission checks, and tamper-evident audit trails.

  ┌─────────────────┐       ┌─────────────────┐       ┌─────────────────┐
  │  LLM Planner    ├──────►│  OPA Policy     ├──────►│ Prometheus      │
  │  (Groq/OpenAI)  │       │  Permission     │       │ Metrics & Audit │
  └────────┬────────┘       └────────┬────────┘       └─────────────────┘
           │                         │
           ▼                         ▼
  ┌─────────────────────────────────────────────────────────────────────┐
  │         Kubernetes Agent CRD Deployment (Isolated Pods)             │
  └─────────────────────────────────────────────────────────────────────┘

Python · Kubernetes · OPA Policy · Prometheus · Groq / OpenAI API


Active Status

A 100% offline, Go-based Kubernetes operator designed for air-gapped datacenters that monitors infrastructure telemetry, predicts time-to-impact (TTI) for failures, and executes repair skills via the Model Context Protocol (MCP).

  ┌────────────────────────┐      ┌─────────────────────────┐      ┌────────────────────────┐
  │ Hardware Telemetry Stream ├──►│ Predictive TTI Analyzer ├──►│ MCP Skill Execution    │
  └────────────────────────┘      └─────────────────────────┘      └────────────────────────┘

Go · Kubernetes Operator · MCP Protocol · React 18 · Telemetry


Featured Projects

Agent Observability Orchestrator

Repo K8s CRD

Autonomous AI agent lifecycle governance and operational control platform for Kubernetes.

  • Orchestrates AI agents as isolated Kubernetes Deployments managed via custom Agent CRDs.
  • Intercepts agent tool executions to validate permissions against Open Policy Agent (OPA) policies.
  • Emits Prometheus metrics for agent failure rates and policy denial counts.

Tech: Python Kubernetes OPA Prometheus Docker

AirGap NOC Copilot & Operator

Repo Go Operator

Predictive telemetry and self-healing infrastructure operator for air-gapped environments.

  • Implements a custom 10-resource Kubernetes Operator written in Go to monitor hardware topographies.
  • Predicts failure lead times (Time-to-Impact / TTI) prior to network/hardware outages.
  • Leverages Model Context Protocol (MCP) to trigger automated OS and network repair skills.

Tech: Go Kubernetes MCP React Docker

Single-Threaded Cache Engine

Repo C++ Cache

High-performance, thread-safe in-memory key-value cache server with REST API interface.

  • Built in C++ implementing an LRU eviction policy via std::unordered_map and doubly-linked std::list.
  • Thread-safe operations using mutex locks for safe concurrent access across HTTP REST endpoints.
  • Dedicated background worker thread for non-blocking cleanup of expired TTL cache entries.

Tech: C++ HTTP REST Multithreading LRU Cache JSON

CLARITY-Net

Repo Speech AI

Lightweight Causal U-Net for real-time speech enhancement on spectrograms.

  • Deep learning speech denoising network constrained to 63,896 trainable parameters.
  • Operates on Short-Time Fourier Transform (STFT) log-magnitude spectrograms with an RTF of 0.309.
  • Achieves 13.7 dB SI-SDR, 2.865 PESQ, and 0.906 STOI objective speech-quality scores.

Tech: Python PyTorch Deep Learning STFT Audio AI

SLIFTEX

Repo Hybrid Search

Similarity and Linguistic Filtering system for title verification and duplicate detection.

SLIFTEX System Architecture
  • Hybrid search engine combining sparse BM25 lexical keyword matching with dense semantic embeddings via Ollama (Llama 3.2).
  • Integrated Pinecone vector database index for fast multi-dimensional vector similarity retrieval.

Tech: Python FastAPI Llama 3.2 Pinecone BM25

QryptMail

Repo Web Architecture

Enterprise webmail client featuring a 3-level progressive data loading architecture.

QryptMail Interface
  • 3-Level loading: initial lightweight metadata fetch, lazy detail hydration, and direct HTTP/2 attachment streaming.
  • Abstract MailProvider pattern for transparent multi-provider mail synchronization (Gmail, Outlook).

Tech: Node.js Express React Vite OAuth 2.0


Technical Stack

Languages & Core Systems

Languages

AI, ML & Frameworks

Frameworks & AI

Infrastructure, Cloud & Databases

Infrastructure

Category Technical Focus
Languages Python · Go · C++ · JavaScript / TypeScript
Backend & Systems FastAPI · Node.js / Express · REST APIs · gRPC / Protobuf · Multithreading
AI & Machine Learning PyTorch · LLMs · RAG · Model Context Protocol (MCP) · LangChain · STFT Processing
Cloud & Infrastructure Kubernetes (Controllers, CRDs) · Docker · OPA (Open Policy Agent) · Prometheus · Linux
Databases & Vector Stores Pinecone · Redis · PostgreSQL · In-Memory Caches

GitHub Analytics & Activity

GitHub Stats Top Languages

Engineering Interests

  • Agentic Governance & Safety: Building execution sandboxes, policy engines, and audit trails for LLM agents.
  • Kubernetes Controllers & Operators: Extending K8s APIs to automate complex infrastructure maintenance and monitoring.
  • Low-Latency AI & Audio Systems: Designing memory-efficient neural networks for real-time signal processing on edge devices.
  • Hybrid Retrieval & Search Architecture: Combining sparse lexical search (BM25) with dense vector embeddings for precise domain retrieval.

Connect With Me

Portfolio   LinkedIn   GitHub


Debanjan Rakshit · https://debanjan.devs.surf

Pinned Loading

  1. agent-observability-orchestrator agent-observability-orchestrator Public

    An orchestration and maintenance software solution to add observability features around agentic tasks.

    Python

  2. CLARITY-Net CLARITY-Net Public

    Jupyter Notebook

  3. QryptMail QryptMail Public archive

    QKD-based secure email service with quantum-key encryption for privacy-preserving email communication.

    JavaScript

  4. server-health-restoration-agent server-health-restoration-agent Public

    An air gap setup to test and deliver ai agent capable of resolving and identifying issues related to network and its application

    Go

  5. single-thread-cache-engine single-thread-cache-engine Public

    A single threaded cache engine to store json objects

    C++

  6. SLIFTEX SLIFTEX Public archive

    Jupyter Notebook 3