class RoshanJayswal : public StaffSoftwareEngineer {
public:
std::string location = "Mumbai, India";
std::string experience = "8+ Years";
std::string education = "ME BITS Pilani (9.13 CGPA) | BE Fr.CRIT (80.50%)";
std::vector<std::string> expertise = {
"Kernel Datapath Engineering (C/C++)",
"Zero Trust Network Security (ZPA)",
"Distributed Systems & Microservices",
"AI/ML — LangChain, LangGraph, MCP, RAG",
"Linux Systems — POSIX, Multithreading, IPC",
"TCP/IP · TLS/mTLS · BGP · IPsec · PPPoE"
};
std::vector<std::string> clients = {
"Google", "Microsoft", "Vodafone",
"Deutsche Bank", "SWISSCOM", "NTT",
"US Military ($30M DLEP Program)"
};
std::string current_status = "Open to Senior/Staff SWE roles 🚀";
};Staff SWE who has shipped production code deep in Linux kernel forwarding planes, tamed P0 crashes with GDB & TSan, built AI agents with LangGraph & MCP — and lived to tell the tale.
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Staff Software Development Engineer
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Senior Software Engineer II
Software Engineer III
Software Engineer II
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AI-powered Slack bot using Gemini CLI + Vertex AI that auto-discovers and correlates Jira tickets from coredump/stacktraces. Drastically cut incident triage time for ZPA datapath P0/P1s.
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Flask app + GCP (BigQuery, AI Platform) with real-time git diff analysis, Jenkins CI/CD integration, predictive quality metrics, and security risk scoring.
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Production RAG pipelines (LangChain, LlamaIndex, Pinecone/FAISS); multi-agent systems with CrewAI, PydanticAI, AutoGen; 90+ n8n automation workflows for business process automation.
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Deployed Llama, Mistral, DeepSeek on AWS EC2/vLLM/Docker; QLoRA fine-tuning for domain adaptation; voice AI agents using Retell AI and ElevenLabs.
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Languages
Systems & OS
Networking & Security
AI / ML
Backend & Infra
| Repository | What's Inside | Tech |
|---|---|---|
| langchain-course | Complete LangChain course — chains, agents, memory, RAG, tools, real-world projects | Python LangChain OpenAI |
| langgraph-course | LangGraph — stateful agents, ReAct, Reflexion, RAG agents, agentic workflows | Python LangGraph |
| mcp-crash-course | Model Context Protocol — FastMCP, Docker MCP, SSE, resources, prompts | Python MCP FastMCP |
| claude-code-crash-course | Claude Code crash course — custom commands, subagents, hooks, MCP, context engineering | Python Claude Code MCP |
| RAG | Retrieval-Augmented Generation — vector DBs, advanced RAG, SQL RAG, PDF RAG, evaluation & AWS deployment | Python LangChain Pinecone FAISS |
| Repository | What's Inside |
|---|---|
| system-design | Scalable systems at scale — HLD patterns, distributed systems, interview prep |
| system-design-primer | Design large-scale systems — Anki flashcards included |
| awesome-system-design | Curated list of Distributed Systems resources |
| navigating-system-design | System design navigation guide and reference architectures |
| low-level-design-primer | LLD — OOP design patterns, SOLID, design interview prep |
| grokking-the-object-oriented-design-interview | OOD interview prep — class diagrams, patterns, real-world systems |
| Repository | Lang |
|---|---|
| Algorithms — Stanford Algorithms Specialization | Python |
| DSA_CPP — Personal DSA practice | C++ |
| DSA_Python — DSA in Python ⭐ | Python |
| DSA_C — DSA in C | C |
| Dynamic-Programming — DP patterns | — |
| Graph-Coding-Minutes — Graph algorithms | — |
| data-structures-algorithms-level-up-bootcamp — Level up DSA | C++ |
| graph-algorithms-for-competitive-coding — Competitive programming graphs | — |
| Repository | Description |
|---|---|
| LeetCode-Solutions | Python / Modern C++ — 1950+ problems |
| LeetCode-Questions-CompanyWise | Company-wise sorted by frequency |
| leetcode_company_wise_questions | LeetCode premium company-wise list |
| Ref1_LeetCode | All solved LeetCode problems |
| LeetCode-1 | Coding interview question collection |
| Leetcode | LeetCode solutions in Python 🎓 |
| Repository | Description |
|---|---|
| Python | All algorithms in Python ⭐ |
| OOP_Python | Object-Oriented Programming ⭐ |
| DS_indepth_python | Deep dive into Python data structures ⭐ |
| python-reference | Python Quick Reference ⭐ |
| Python-for-Algorithms--Data-Structures--and-Interviews | Udemy — Python for DSA & Interviews ⭐ |
| Book_on_Python_Algorithms_and_Data_Structure | Book on Python, Algorithms & Data Structures ⭐ |
| python-web-scraping | Simple web scraping programs |
| Repository | Description | Lang |
|---|---|---|
| C | All algorithms in C ⭐ | C |
| C-Plus-Plus | All algorithms in C++ | C++ |
| C_Multithreading | pthreads, synchronization, concurrency | C |
| CPP_Multithreading | std::thread, mutex, condition variables | C++ |
| Modern_CPP_Multithreading | C++17/20 concurrency patterns | C++ |
| linux | Linux kernel source tree | — |
| Repository | Description |
|---|---|
| roshanjayswal-github-io.vercel.app | 🌐 Personal portfolio website |
| fullstack-course4 | HTML, CSS & JavaScript — Web Developers (Coursera) |
| html_css | HTML & CSS projects |
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| 📧 | [email protected] |
| 📱 | +91 9004117603 |
| 💼 | linkedin.com/in/roshan-jayswal-ab4aa382 |
| 🌐 | roshanjayswal-github-io.vercel.app |
| 📍 | Mumbai, Maharashtra, India |