Open to Internships

Hi, I'm Vatsal Postiwala

Computer Science & Engineering Student

Computer Science & Engineering undergraduate at Symbiosis Institute of Technology (SIT), Pune and Diploma in IT graduate from Tapi Diploma Engineering College, Surat. Experienced in building cross-platform Flutter & Firebase mobile apps, full-stack MERN web platforms, multi-agent AI workflows, and anti-phishing security backends.

@vatsalpostiwala GitHub LinkedIn ORCID ResearchGate
Explore Projects ↓ Anti-Phishing AI Guard ↗ Contact Vatsal
Vatsal Dipakbhai Postiwala

Vatsal Dipakbhai Postiwala

Computer Science Engineer • AI/ML & Cybersecurity

🎓
B.Tech in Computer Science & Eng.
Symbiosis Institute of Technology, Pune
💼
Intern – Flutter Developer
Leaf Drive IT Solution, Surat (2025)
🏅
NCVET NSQF Level 5 (540 Hrs)
Application Developer Web Mobile (Grade B)
🛡️
Creator of Anti-Phishing AI Guard
Live on Chrome Web Store & Render Cloud
540 Hrs
NCVET NSQF Level 5 Certified Training (18 Credits)
45 Days
Production Flutter & Firebase Industry Internship
Live
Chrome Web Store Extension + Render Cloud API
ORCID
Verified Scholarly Research Identifier
Flutter & Dart FastAPI & XGBoost ML Firebase Auth & Firestore Chrome Extension MV3 MERN Stack & MongoDB Atlas Multi-Agent AI Systems Core Java & DSA SQL & Relational DBMS Render Cloud & Git Flutter & Dart FastAPI & XGBoost ML Firebase Auth & Firestore Chrome Extension MV3 MERN Stack & MongoDB Atlas Multi-Agent AI Systems Core Java & DSA SQL & Relational DBMS Render Cloud & Git
Production Systems & Open Source

Flagship Systems & Repositories

⚡ Active Production Repositories
🚀 Live on Chrome Web Store Cloud API: 200 OK FastAPI XGBoost Manifest V3

Anti-Phishing AI Guard — Intelligent Pre-Navigation Threat Blocker

High-speed browser defense extension stopping zero-day phishing attacks before page execution. Extracts lexical, domain entropy, and TLS signatures, submitting URLs to an asynchronous FastAPI backend running a trained XGBoost machine learning classifier on Render.

< 50ms Inference Latency
100% Pre-Navigation Block
MIT Open Source License
Get on Chrome Web Store ↗ Backend Source Code ↗ Live Health API ↗
HealthTech Desktop Java • MySQL

NutriGuide — Nutrition & Diet Management System

Two-tier desktop health and dietary analytics system engineered in Java. Features an asynchronous Swing client interface, PBKDF2 authentication, and relational MySQL JDBC persistence.

Java MySQL JDBC Java Swing HealthTech
View Repository ↗ Collaborator
Production Web React • Vite

Maa Modheshwari Travels Web Platform

Production web portal and booking inquiry platform built with React, Vite, and Tailwind CSS for Maa Modheshwari Travels (Surat), driving organic customer search discovery and fleet showcases.

React Vite Tailwind CSS Production Web
View Repository ↗ Surat, GJ
National Qualifications & Industry Experience

Verified Certifications

🇮🇳 Government of India • NCVET NSQF Level 5

Application Developer – Web & Mobile

Skill India / NCVET & IT-ITeS SSC NASSCOM (PMKVY Scheme)

Completed 540 Hours of national competency-based engineering training and cleared rigorous assessment carrying 18 Credits at NSQF Level 5 (Grade B), issued on 15 January 2025 via Shree Swami Atmanand Saraswati Institute of Technology (SSASIT), Surat.

Certificate No: AEGJA0021QG-05-IT-00512-2023-V1.1-NASSCOM-006072
Verify on Skill India Digital ↗
💼 Verified Industry Internship • 45 Days

Flutter Application Developer Intern

Leaf Drive IT Solution, Surat (www.leafdrive.co.in)

Delivered production Flutter UI component hierarchies, real-time Firebase Authentication, Cloud Firestore database operations, and device-level Android profiling across 45 days (27 May 2024 – 08 July 2024) under CEO Mr. Mihir M. Parmar.

Issued: July 9, 2024 • Verified Flutter Industry Tenure
Visit Company Website ↗
Full-Stack MERN October 2026

Full Stack Web Development (MERN Stack)

Great Learning Academy • MongoDB, Express.js, React.js & Node.js architecture.

Software Engineering September 2026

Introduction to Software Engineering

Coursera • Software Development Life Cycle (SDLC), Agile Sprints, & Architecture.

Student Developer Global Campus

GitHub Global Campus Student Developer

GitHub Education (@vatsalpostiwala) • GitHub Copilot & Cloud Developer Pack.

Career & Academic Journey

Experience & Education

💼 Professional Engineering Experience

27 May 2024 – 08 July 2024 (45 Days)
Intern – Flutter Developer
Leaf Drive IT Solution • Nanpura, Surat, Gujarat
  • Designed responsive, cross-platform mobile UI screens using Flutter Material 3 widgets and custom component hierarchies.
  • Integrated Firebase Authentication and Cloud Firestore for low-latency session persistence.
  • Debugged, tested, and optimized mobile applications across devices while participating in sprint reviews.
2024 – Present
Creator & Maintainer — Anti-Phishing AI Guard
Chrome Web Store & Render Cloud
  • Engineered pre-navigation browser threat blocker combining Chrome MV3 telemetry with FastAPI + XGBoost on Render.
  • Collaborated across open-source and team repositories including Tejas2305/NutriGuide and client web deployments.

🎓 Academic Qualifications

2025 – 2029 (Lateral Entry / DSY)
B.Tech in Computer Science & Engineering
Symbiosis Institute of Technology (SIT), Pune

Symbiosis International (Deemed University) • PRN: 26070122509

  • Direct Second Year Engineering at the flagship Lavale Campus in Pune.
  • Coursework: Advanced Data Structures & Algorithms, Core Java Systems, Relational DBMS, and OS Internals.
  • Undergraduate Research: Pre-navigation browser heuristics and LLM prompt injection defenses (ORCID 0009-0007-7965-0995).
2022 – 2025 (Completed 3-Year Diploma)
Diploma in Information Technology
Tapi Diploma Engineering College (TDEC), Surat • GTU
  • Completed 6-semester engineering diploma with intensive focus on Mobile Application Development (Flutter & Dart).
  • Awarded the 540-hour NCVET / NASSCOM NSQF Level 5 qualification alongside diploma coursework.
Verified Capabilities

Technical Stack & Competencies

📱 Mobile & Frontend Development

Flutter SDK & DartProduction
45-day industry internship @ Leaf Drive IT & 540-hr NCVET NSQF Level 5 credential.
Firebase Auth & FirestoreProduction
Real-time session persistence, document data models, and multi-factor authentication.
State Management & UIAdvanced
Reactive Material 3 widgets, responsive device layout, and multi-screen navigation flows.

🛡️ AI/ML, Security & Cloud Backend

FastAPI & XGBoost MLProduction
Powers live Anti-Phishing AI Guard microservice deployed on Render Cloud.
Browser Extensions (MV3)Live
Published Chrome Web Store extension intercepting pre-navigation phishing telemetry.
Multi-Agent AI SystemsCollaborative
LLM worker orchestration, structured agent reasoning, prompt engineering, and deterministic routing workflows.

⚙️ Core Computer Science & Full-Stack

DSA (Java / C++)Core CS
Priority Heaps, Graph algorithms, Stack expression parsing, and algorithmic problem-solving.
SQL & Relational DBMSDatabase
Schema design, normalization (BCNF), relational algebra, and ACID transaction workflows.
Git, GitHub & DevOpsDevOps
GitHub Pages deployment, CI/CD action workflows, and collaborative version control.
Academic Profile & Research

Scholarly Identifiers

Symbiosis Institute of Technology (SIT), Pune

Symbiosis International (Deemed University)

Bachelor of Technology (B.Tech) — Computer Science and Engineering

Batch 2025 – 2029
Research Focus: Machine Learning heuristics for client-side phishing mitigation, pre-navigation web interception, and prompt injection defenses in multimodal Large Language Models.
Affiliated Scholar Identifiers:
ORCID: 0009-0007-7965-0995 ResearchGate (Verified Scholar) PRN: 26070122509 LinkedIn: vatsal-postiwala GitHub: @vatsalpostiwala

Let's Connect & Collaborate

Open to engineering internships and collaborations across Computer Science, AI/ML, and Cybersecurity. Let's connect!

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