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ErVijayRaghuwanshi/README.md

πŸ‘‹ Hi, I’m Vijay Raghuwanshi

πŸ’» Software Development Engineer (Backend & Data Systems) | βš™οΈ Big Data & GenAI Practitioner | 🧠 AI Infrastructure Builder

With 4+ years of experience, I architect and develop scalable backend platforms, data-intensive pipelines, and AI-driven systems for cybersecurity and network intelligence domains.
I’m passionate about building high-performance, fault-tolerant, and intelligent systems that turn complex data into actionable insights.


🌟 Professional Experience

πŸ”Ή Software Engineer β€” ClearTrail Technologies (2024 – Present)

Designing scalable data systems and backend infrastructure for ClearTrail’s analytics and intelligence platforms.

  • πŸš€ Optimized PostgreSQL query performance (32M+ rows) β€” reducing lookup time from 20s β†’ under 1s
  • πŸ” Engineered IP Reputation API handling 1Gbps live network traffic via multithreading
  • βš™οΈ Automated CI/CD with Jenkins, Docker, and IaC, cutting deployment time by 40%
  • 🧠 Built LLM-powered search interface for Elasticsearch, enabling natural language querying
  • πŸ“‘ Designed Big Data pipelines using Apache Spark, Kafka, HDFS, and Parquet for real-time telecom analytics
  • πŸͺΆ Authored internal API docs with Swagger UI & Markdown for smooth cross-team onboarding

πŸ”Ή Associate Software Engineer β€” ClearTrail Technologies (2022 – 2024)

Worked on backend systems for OSINT data aggregation, threat analytics, and automation frameworks.

  • 🌐 Developed FastAPI-based OSINT APIs, improving data precision by 80% and reducing latency by 50%
  • 🧩 Built scalable microservices using Docker, async I/O, and proxy-rotation for large-scale scraping
  • πŸ”’ Enhanced cyber threat intelligence with PCAP analysis and intrusion detection logic
  • 🧰 Created CIDR-based GeoIP databases in PostgreSQL for ultra-fast offline lookups
  • πŸ† Recognized with multiple STAR Awards for ownership, innovation, and delivery excellence

🧰 Tech Toolbox

Backend & DevOps
Python Β· Java Β· FastAPI Β· Flask Β· Django Β· Docker Β· Jenkins Β· Airflow Β· Git Β· Bash

Big Data & Streaming Analytics
Apache Spark Β· PySpark Β· Kafka Β· HDFS Β· PostgreSQL Β· Elasticsearch Β· MongoDB Β· Parquet Β· Solr

AI & Workflow Automation
LLMs Β· LangChain Β· RAG Β· Ollama Β· Transformers Β· PydanticAI Β· MCP Β· Gradio Β· N8N


πŸš€ Featured Projects

An agentic financial support chatbot using LangChain, Ollama, Gradio, ChromaDB, and PydanticAI β€” provides contextual, real-time responses to customer queries.

Interactive platform for telecom metadata analytics β€” features AI-assisted rule explanation, anomaly detection, and real-time dashboards.

AI-powered creative search portal with 5,000+ AI-generated images, built using Next.js and Diffusion APIs.

πŸ›‘ LightSabre on Laptop β€” Ideathon 2024 (2nd Prize)

Designed a portable network traffic monitoring solution for field intelligence, enabling 10 Gbps analysis on rugged laptops.


πŸ… Certifications & Awards

  • πŸŽ“ Python 3 Programming Advanced β€” Udemy
  • πŸ“Š Exploratory Data Analysis with Python & Pandas β€” Coursera
  • 🌐 The Bits and Bytes of Computer Networking β€” Coursera
  • πŸ”§ DevOps: Beginner to Advanced with Projects β€” Udemy
  • πŸ“Ÿ IoT & Embedded Systems β€” Coursera
  • πŸ† Ideathon 2024 (2nd Prize) β€” β€œLightSabre on Laptop” Innovation
  • ⭐ Star of the Month / Quarter β€” Recognized for leadership in LightSabre & WebTrail projects

πŸ“« Let’s Connect


⭐ β€œEngineering systems that learn, scale, and secure β€” one idea at a time.”

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