Available for Internships

Jojin John.

Dev & Security.

MERN Stack Intern at Luminar Technolab & independent Bug Bounty Hunter on YesWeHack. BCA student from Thrissur, Kerala — building secure, scalable web applications.

Let's Connect View Projects Download Resume

€1600+

Bug Bounties Earned

15+

Verified Credly Badges

9.6

Max CVSS (Critical IDOR)

3rd Yr

BCA (5th Sem), Calicut Univ.

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About Me

The person
behind the code.

BCA student, developer, and security researcher — passionate about building things and breaking them (responsibly).

Who I am

Jojin John

BCA Computer Science student at Elims College, affiliated to University of Calicut. Currently working as MERN Stack Intern at Luminar Technolab, Kochi. Passionate about web development and offensive security.

Open to work

Location

📍 Thrissur

Kerala, India
Open to remote opportunities worldwide

Bounties

€1600+

Earned on YesWeHack & global bug bounty platforms through responsible disclosure

CVSS 9.6

Critical IDOR

10+

Vulns Reported

Education

BCA (5th Sem) · 3rd Yr

Elims College of Arts & Science
University of Calicut

Focus Areas

MERN Stack Bug Bounty OWASP Top 10 API Security Burp Suite Google Cloud Claude AI React.js Node.js Git / GitHub

Tech I use

React.js Node.js Express.js MongoDB Tailwind CSS Burp Suite Google Cloud JavaScript React.js Node.js Express.js MongoDB Tailwind CSS Burp Suite

Skills

What I build
& how I break.

From crafting interfaces to hunting vulnerabilities — here's my toolbox.

Frontend

Client-side development

React.js

Next.js

TypeScript

JavaScript

Tailwind CSS

Responsive UI

Backend & APIs

Server-side architecture

Node.js

Express.js

MongoDB

REST APIs

JWT Auth

DB Optimization

Cybersecurity

Offensive & AppSec research

Burp Suite

API Security

Business Logic

Access Control

OWASP Top 10

Nmap & FFUF

Bug Bounty

AI & Cloud

LLM integrations & DevOps

LLM APIs

AI Integrations

Automation

Google Cloud

Git / GitHub

CI/CD

Projects

Proof of work
you can update fast.

Selected builds across full-stack development, security research, cloud learning, and practical experiments.

00shown

Experience

Where I've worked
& what I've done.

Real internships and independent security research on live programs.

Luminar Technolab

Full Stack Developer Intern — MERN Stack

📍 Kakkanad, Kochi, Kerala

Building responsive web applications using HTML, CSS, JavaScript, Bootstrap and Tailwind CSS
Developing frontend interfaces focused on UX and responsive design principles
Applying backend concepts using Node.js and Express.js in real project environment
Version control and team collaboration using Git & GitHub
Understanding client–server architecture and HTTP/HTTPS protocols

Apr 2026 — May 2026

YesWeHack

Independent Security Researcher — Bug Bounty

🌐 Remote / Global Programs

Participating in global bug bounty and responsible disclosure programs
Specialized in Business Logic vulnerabilities (CWE-840) and access control issues
Skilled in OWASP Top 10, API Security, asset discovery, and authentication testing
Reported real-world vulnerabilities with CVSS scores up to 6.5 (Medium severity)
Tools: Burp Suite, Nmap, FFUF, OSINT techniques for comprehensive assessments

💰 Earned €300 + €200 + more in paid bounties — consistently recognized on platform

Mar 2025 — Present

● Active

Google Cloud Skills Boost

Arcade Facilitator '25 — Facilitator Program

📍 India

Selected as Facilitator for Google Cloud Arcade (Facilitator'25) learning program
Mentored peers through hands-on labs on Compute Engine, Kubernetes, Cloud Run, AI/ML
Helped learners complete quests and earn Google Cloud skill badges
Contributed to community learning and earned multiple Cloud badges personally

Apr — Jul 2025

Certifications