karan.dev

Karan Kumar

I'm Karan, a software engineer at Capgemini based in India. I work across the stack — cloud and CI/CD on weekdays, AI/ML on weekends. I love shipping end-to-end and writing about what I learn.

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Featured projects

All projects
Real-Time

Real-Time Port Logistics Intelligence System

June 2026

Production-grade maritime intelligence platform tracking 1,600+ live vessels with sub-second WebSocket streaming and composite risk scoring.

1,600+

vessels tracked live

<100ms

analytical queries

zero

cloud server cost

PythonFastAPITimescaleDBPostgreSQLRedisCeleryReactTypeScriptMapLibre GLDockerVercelCloudflare
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AI/ML

AI-Powered Cold Email Generator

June 2026

AI outreach tool that scrapes any job URL, extracts structured requirements with LLaMA 3.3-70B, and generates a personalized cold email backed by matched portfolio projects.

LLaMA 3.3

70B params (Groq)

20+

portfolio matches

RAG

two-step pipeline

PythonStreamlitLangChainGroq APILLaMA 3.3-70BChromaDBBeautifulSoup4Pandas
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Latest writing

All posts

AWS

Aug 5, 2026 37 min read

PyTorch

May 20, 2026 32 min read

Artificial Intelligence (AI)

May 1, 2026 1 min read