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Mohit-368/README.md


// SYSTEM IDENTITY

╭──────────────────────────────────────────────────────────────────────────╮
│                                                                          │
│   MOHIT KUMAR                                                            │
│   ────────────────────────────────────────────────────────────────────   │
│                                                                          │
│   COMPUTER SCIENCE & ENGINEERING                                        │
│   MDU ROHTAK · 2024 → 2028                                               │
│                                                                          │
│   AI SYSTEMS ENGINEER IN THE MAKING                                     │
│                                                                          │
│   BACKEND  →  FULL STACK  →  AI  →  DISTRIBUTED SYSTEMS                 │
│                                                                          │
╰──────────────────────────────────────────────────────────────────────────╯

THE OBJECTIVE

Build software where backend engineering, data and AI come together to create real products.

My engineering path:

MERN
  │
  ├── React
  ├── Node.js
  ├── Express
  └── MongoDB
       │
       ▼
PYTHON BACKEND
       │
       ├── FastAPI
       ├── PostgreSQL
       └── Redis
              │
              ▼
        AI APPLICATIONS
              │
              ├── RAG
              ├── LLMs
              ├── Agents
              ├── Vector Search
              └── Tool Calling
                       │
                       ▼
              PRODUCTION SYSTEMS
                       │
                       ├── Docker
                       ├── CI/CD
                       ├── AWS
                       ├── Observability
                       └── Distributed Systems

I don't want to build another wrapper around an LLM. I want to understand and engineer the system underneath it.


// SYSTEM PIPELINE

                         ┌─────────────────────┐
                         │      AI PRODUCT     │
                         └──────────┬──────────┘
                                    │
                                    ▼
                         ┌─────────────────────┐
                         │   AI APPLICATION    │
                         │                     │
                         │ LLMs · RAG · AGENTS│
                         └──────────┬──────────┘
                                    │
              ┌─────────────────────┼─────────────────────┐
              ▼                     ▼                     ▼
       ┌────────────┐        ┌────────────┐        ┌────────────┐
       │ RETRIEVAL  │        │   AGENT    │        │   TOOLS    │
       │            │        │   RUNTIME  │        │            │
       │ Embeddings │        │ State      │        │ APIs       │
       │ Vector DB  │        │ Memory     │        │ Functions  │
       │ Reranking  │        │ Planning   │        │ Services   │
       └──────┬─────┘        └──────┬─────┘        └──────┬─────┘
              │                     │                     │
              └─────────────────────┼─────────────────────┘
                                    │
                                    ▼
                         ┌─────────────────────┐
                         │    BACKEND CORE     │
                         │                     │
                         │ FastAPI · REST APIs│
                         │ Async · Auth        │
                         │ WebSockets          │
                         └──────────┬──────────┘
                                    │
             ┌──────────────────────┼──────────────────────┐
             ▼                      ▼                      ▼
       ┌────────────┐        ┌────────────┐        ┌────────────┐
       │ PostgreSQL │        │   Redis    │        │  MongoDB   │
       │            │        │            │        │            │
       │ Persistent │        │ Cache      │        │ Documents  │
       │ Data       │        │ State      │        │            │
       └────────────┘        └────────────┘        └────────────┘
                                    │
                                    ▼
                         ┌─────────────────────┐
                         │  PRODUCTION LAYER   │
                         │                     │
                         │ Docker · AWS · CI/CD│
                         │ Logs · Metrics      │
                         │ Traces · Security   │
                         └─────────────────────┘

// ENGINEERING DOMAINS

01

FULL STACK

React
Next.js
Node.js
Express
MongoDB
REST APIs
Authentication
WebSockets

02

BACKEND

Python
FastAPI
Django
PostgreSQL
Redis
SQLAlchemy
Async APIs
Workers
Queues

03

AI SYSTEMS

LLMs
RAG
Agents
LangChain
LangGraph
Embeddings
Vector DB
Tool Calling
Evaluation

04

INFRA

Linux
Docker
AWS
CI/CD
Nginx
RabbitMQ
Monitoring
Tracing
Security

// TECHNOLOGY MATRIX

FULL STACK / MERN

PYTHON / BACKEND

AI / MACHINE LEARNING

CLOUD / DEVOPS

OBSERVABILITY


// ENGINEERING PHILOSOPHY

01

UNDERSTAND

Know what happens underneath the abstraction.

02

DESIGN

Think in systems, not isolated functions.

03

MEASURE

Latency, reliability, cost and correctness matter.

04

SHIP

Build it. Break it. Improve it. Deploy it.


// CURRENT OPERATING MODE

Current engineering focus
╭──────────────────────────────────────────────────────────────────────────╮
│                                                                          │
│  NOW                                                                    │
│  ────────────────────────────────────────────────────────────────────    │
│                                                                          │
│  ▸ AI backend engineering                                               │
│  ▸ Production FastAPI architecture                                      │
│  ▸ Async APIs + WebSockets                                               │
│  ▸ RAG + vector retrieval                                                │
│  ▸ LangChain + LangGraph                                                 │
│  ▸ Stateful agent workflows                                              │
│  ▸ PostgreSQL + Redis                                                    │
│  ▸ MERN stack                                                            │
│  ▸ Queues + workers + caching                                            │
│  ▸ Docker + CI/CD + AWS                                                  │
│  ▸ Monitoring + tracing + cost awareness                                 │
│                                                                          │
│  NEXT                                                                   │
│  ────────────────────────────────────────────────────────────────────    │
│                                                                          │
│  ▸ Distributed backend systems                                           │
│  ▸ Advanced agent evaluation                                             │
│  ▸ Production AI infrastructure                                          │
│  ▸ Reliability engineering                                               │
│  ▸ Cloud architecture                                                    │
│                                                                          │
╰──────────────────────────────────────────────────────────────────────────╯

// PROOF OF WORK


GitHub statistics Top programming languages



GitHub contribution streak



GitHub activity graph



180+

LEETCODE

Problems solved

SQL 50

HACKERRANK

Badge earned

200+

READERS

Hashnode

26

REPOSITORIES

Public builds


Activity shows consistency. Repositories show evidence. Architecture shows engineering maturity.


// OPEN SOURCE




Build with people. Learn from people. Contribute back.


// EDUCATION

B.Tech · Computer Science & Engineering

MDU Rohtak · 2024 → 2028

Credential Year
Django · Simplilearn 2026
SQL Advanced · HackerRank 2026
Python · Training & Placement Cell, UIET, MDU Rohtak 2025
Introduction to Programming Using Python · HackerRank 2025

// SYSTEM EVOLUTION

                     ┌─────────────────┐
                     │     LEARN       │
                     └────────┬────────┘
                              ↓
                     ┌─────────────────┐
                     │     BUILD       │
                     └────────┬────────┘
                              ↓
                     ┌─────────────────┐
                     │     BREAK       │
                     └────────┬────────┘
                              ↓
                     ┌─────────────────┐
                     │    MEASURE      │
                     └────────┬────────┘
                              ↓
                     ┌─────────────────┐
                     │    IMPROVE      │
                     └────────┬────────┘
                              ↓
                     ┌─────────────────┐
                     │      SHIP       │
                     └────────┬────────┘
                              ↓
                     ┌─────────────────┐
                     │     REPEAT      │
                     └─────────────────┘

THE TARGET

From writing code → to engineering systems.


// CONNECT



Open to remote internships in Backend / AI Engineering



BUILD SYSTEMS · UNDERSTAND SYSTEMS · SHIP SYSTEMS



MOHIT KUMAR
FULL STACK × BACKEND × AI SYSTEMS × PRODUCTION

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