Mitul Varshney
Backend Developer at QuickSell
Bengaluru, Karnataka, India
Summary
🤩
Rockstar🎓
Top SchoolMitul Varshney is a backend developer with six years of experience building scalable, production-grade systems and cloud infrastructure from Bengaluru. He has strong hands-on expertise in Node.js, PostgreSQL, Redis and AWS, having implemented integrations like Tally ERP automation, audit pipelines, and a Memo-RAG AI retrieval framework that combines Neptune, Elasticsearch and OpenAI. Mitul blends SRE and backend skills—designing on-call tooling, ArgoCD-driven deployments, and WebRTC/Janus-based voice infrastructure—while also contributing to security by finding and exploiting critical vulnerabilities in bug bounties. A self-taught Linux enthusiast with practical cybersecurity roots, he’s contributed stability fixes to the pwncat reverse-shell project, improving session management and reliability. He consistently focuses on observability, fault tolerance and automation to turn complex requirements into auditable systems.
6 years of coding experience
1 year of employment as a software developer
High School, 93.2%, High School, 93.2% at RRK Senior Secondary School, ChandausiBachelor of Technology - BTech, Information Technology, 8.06/10, Bachelor of Technology - BTech, Information Technology, 8.06/10 at Indian Institute Of Information Technology Allahabad
Github Skills (8)
linux10
python10
scripting9
debug9
shell9
script9
sh9
debugging9
Programming languages (5)
Github contributions (5)
calebstewart/pwncat
Jun 2021 - Feb 2022
Fancy reverse and bind shell handler
Role in this project:
Back-end Developer
Back-end DeveloperContributions:22 reviews, 45 commits, 12 PRs in 8 months
Contributions summary:Mitul primarily focused on fixing bugs and improving the stability of the `pwncat` tool. Their contributions include correcting missing return statements, modifying shell prompts, and addressing missing 'f' in f-strings. The user also made changes to the session management system by switching to dictionary-based session IDs. These changes directly improved the tool's functionality and maintainability, particularly in the context of reverse shell handling and persistence.
bind-shellshellenumerationhandlerprivilege-escalation
Mitul16/pwncat
Jun 2021 - Jun 2022
Fancy reverse and bind shell handler
Contributions:57 pushes, 24 branches, 1 comment in 1 year
bindbashbind-shellshellhandler
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