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Shafiq Ur Rehman

Full Stack AI Engineer | DevOps (Docker, K8s, AWS) | Agentic AI | 200+ LeetCode | Open Source | Microservices | Prev. @Turing | Mentor @Devweekends

Location Lahore Joined Joined on  Personal website https://shafiqurrehman.vercel.app github website

Education

Bachelor of Computer Science, University of Education (2023–2027).

Pronouns

He/Him

Work

Software Engineering | Freelance Full-Stack Developer

Retrieval-Augmented Generation (RAG): How It Works, 10 Advanced Techniques, and Common Limitations
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Retrieval-Augmented Generation (RAG): How It Works, 10 Advanced Techniques, and Common Limitations

#rag #ai #agents
3
Comments
11 min read

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Authentication in MERN Apps: JWT, bcrypt, Redis, and OAuth2
im-shafiqurehman profile

Authentication in MERN Apps: JWT, bcrypt, Redis, and OAuth2

#oauth #jwt #bcryptjs #redis
2
Comments
10 min read
HTTP vs HTTPS: One Letter Between You and a Hacker's Best Day
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HTTP vs HTTPS: One Letter Between You and a Hacker's Best Day

#security #networking
1
Comments 1
12 min read
How to Choose the Right AI Model for the Right Job
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How to Choose the Right AI Model for the Right Job

#ai #benchmarks #modelselection
Comments
13 min read
From Simple LLMs to Reliable AI Systems: Building Reflexion, Based Agents with LangGraph
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From Simple LLMs to Reliable AI Systems: Building Reflexion, Based Agents with LangGraph

#llm #agentsystems #reflexion #generativeai
Comments
13 min read
How React Achieves High Performance, Even With Extra Layers
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How React Achieves High Performance, Even With Extra Layers

#discuss #webdev #react #frontend
7
Comments 1
6 min read
How Node.js Achieves High Performance & Scalability
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How Node.js Achieves High Performance & Scalability

#architecture #performance #javascript #node
1
Comments 6
4 min read
JavaScript Execution Context Made Simple
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JavaScript Execution Context Made Simple

#beginners #javascript #tutorial
10
Comments 3
6 min read
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