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Software Engineer, Full Stack Developer, and Startup Founder building secure mobile applications, high-performance APIs, and production-ready cloud systems.

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Shipped GNT: Glass New Tab Experience IIT Jammu + AI/ML Experience
Things I’ve Built 12+ Projects · 4 Live
Flagship Project

Kashandaz

AI-Powered Cashback & Smart Shopping Platform

✓ Production Ready ✓ Live on Google Play ✓ Secure Architecture ✓ Modern UI ✓ Scalable Backend ✓ AI Assisted Development

A production-grade Android application designed for smart deal discovery, multi-tier referrals, and secure cashback rewards. Built with a modular Flutter frontend and FastAPI microservices, it bridges offline and digital merchant affiliate earnings with zero attribution leaks.

Core Capabilities:

• Secure Authentication
• Cashback Ecosystem
• Smart Offer Discovery
• Referral System
• Real-Time Backend
• Scalable Architecture
• Cloud Deployment
• Modern Android App
• Production-Ready Infra
• Responsive UX

Technology Stack:

Flutter FastAPI PostgreSQL Firebase AWS REST APIs GitHub Razorpay Cloud Infra
Download on Google Play Learn More & Case Study
Kashandaz Home Screen showing cashback dashboard and metrics
Kashandaz Wallet Screen showing balance and payment requests
Kashandaz Cashback Activation page with partner stores
Kashandaz Merchant Stores catalog view

Product Readiness & Engineering Metrics

Production Ready Status
Flutter Architecture Mobile UI
Secure Auth Authentication
Cloud Backend Deployment
FastAPI Infrastructure API Layer
Responsive UI Design
Scalable Design Architecture
Cross Platform Ready Ecosystem

Flagship Case Study: Deep Dive

Overview & Problem Solved

Consolidates fragmented online savings into a single interface. Automates affiliate verification and coupon discovery through direct API integrations and push notifications, ensuring users instantly capture maximum cashback value.

Key Features

Features double-entry wallet bookkeeping, multi-level fraud-resistant referrals, real-time push deal suggestions, and automated transaction reconciliation to prevent reward attribution leaks.

Technical Architecture

Asynchronous Flutter client (Dart) connected to high-throughput FastAPI server. Integrates PostgreSQL database with query index optimization, Firebase for JWT Auth, and auto-scaled AWS cloud nodes.

Challenges Solved

Prevented referral gaming and ensured data consistency under high concurrent load by implementing double-entry PostgreSQL transaction ledgers with JWT verification and non-blocking background workers.

Production Highlights

Successfully deployed high-performance REST APIs integrated with Razorpay gateway for automated withdrawals. Inspected with automated security controls and verified test pipelines.

Future Roadmap

Integrating a local-first offline offer cache, purchase history-based AI recommendations, and OCR-powered receipt scanning for offline merchant cashback validation.

Software Engineering Excellence

How Kashandaz is engineered under-the-hood to ensure security, performance, and long-term maintainability.

⚙ Architecture

Clean architecture using separation of concerns. Flutter frontend utilizes Bloc/Provider patterns, keeping business logic distinct from rendering interfaces.

🔌 Backend APIs

Built with asynchronous FastAPI endpoints utilizing Pydantic for request validation, achieving fast request-response cycles and robust documentation.

🔐 Authentication

Integrated Firebase Authentication for passwordless/OAuth social logins coupled with secure server-side JWT verification for API access controls.

🗄 Database Design

Relational database models in PostgreSQL with transaction isolation levels, strict foreign keys, and indexes on lookup tables to guarantee data integrity.

⚡ Performance & Scalability

Heavy utilization of caching, database pool pooling (e.g. asyncpg), and optimized JSON payloads to minimize processing latencies and cloud infrastructure overhead.

🚨 Error Handling & Monitoring

Global exceptions middleware, standardized error contracts, centralized logs, and active crash reporting filters to detect and patch issues proactively.

More Projects

Other Shipped Works

FocusGuard — Reels & Shorts Blocker

Shipped

Purpose: A productivity tool to combat digital addiction.
Problem Solved: Blocks highly addictive short-form video content (Reels, Shorts, TikTok) on desktop browsers. Tracks daily focus metrics and ensures user privacy by storing data entirely locally.
Tech Stack: JavaScript, Chrome Extension APIs, CSS, HTML5 Local Storage.
Outcome: Live on Google Chrome Web Store, helping users reclaim focus and optimize daily output.

Chrome ExtensionPrivacy-firstUI/UXProductivity
Live on Chrome Web Store
Shipped

Purpose: An aesthetic, high-productivity browser start page dashboard.
Problem Solved: Replaces default, cluttered new tab interfaces with a smooth, iOS-inspired glass start screen featuring Spotlight search and utility widgets.
Tech Stack: JavaScript, Chrome APIs, CSS Variables, OpenWeather API, HSL Color Systems.
Outcome: Shipped with 16k+ active users, rated 4.8★, and officially Featured by the Google Chrome Web Store.

Chrome ExtensioniOS-inspired UISpotlight SearchPrivacy-first
Visit Now Chrome Web Store

Findora — Vulnerability Scanner

Security

Purpose: Automated web vulnerability scanning and auditing tool.
Problem Solved: Detects common configuration security gaps, prints risk scoring parameters, and exports detailed summaries.
Tech Stack: Python, AI/LLM API Integration, BeautifulSoup, ReportLab (PDF), Excel Exporting.
Outcome: Speeds up verification audits by generating readable compliance-ready PDFs for security teams.

PythonAI IntegrationVulnerability AuditPDF Report
GitHub Source

HypeLens – Semantic Search System

Shipped

Purpose: AI-powered e-commerce search engine.
Problem Solved: Resolves inaccurate keyword matching issues by performing multilingual semantic search and matching product intent.
Tech Stack: FastAPI, Python, PostgreSQL, SentenceTransformers, Vector Embeddings.
Outcome: Fast search indexing with a price comparison crawler engine for e-commerce discovery.

FastAPIPostgreSQLSemantic SearchAI Embeddings
GitHub Profile

Face Recognition Authentication System

Computer Vision

Purpose: Real-time identity verification system.
Problem Solved: Replaces slow card check-ins with face authentication for access logs.
Tech Stack: Python, OpenCV, Deep Learning models, SQLite.
Outcome: Implemented low-latency attendance verification loop with robust detection logs.

PythonOpenCVDeep LearningBiometrics
GitHub Source
Impact

Experience

Startup leadership and software engineering internships with security-aware, AI-driven outcomes.

Jun 2025 – Present

Co-Founder & Technical Lead · NextLab Innovations

Co-founded a forward-looking software development studio. Directing end-to-end product architecture, secure deployment pipelines, and scaling systems including Kashandaz, FocusGuard, and GNT.

Jan 2026 – Present

Full Stack Developer Intern (AI Integration) · Euphoria GenX

Developing AI-integrated full-stack applications using Python with scalable backend systems, API integrations, and responsive frontend development.

Sept 2025 – Nov 2025

AI-ML & Internet of Things Intern · University of Calcutta

Integrated AI/ML models into real-world applications, focusing on data analysis and system development with IoT applications.

Jun 2025 – Aug 2025

Ethical Hacking & Cyber Security Intern · IIT Jammu

Identified security vulnerabilities and performed basic penetration testing using ethical hacking techniques in hands-on environment.

Toolkit

Skills & Capabilities

Comprehensive engineering skills across full-stack systems, mobile apps, security, and AI models.

Programming

Python Dart JavaScript C / C++ HTML5 / CSS3 Bash Scripting

Mobile Apps

Flutter SDK Android Development BLoC / Providers State Management REST Integration Play Store Release

Backend Systems

FastAPI (Python) Node.js / Express RESTful APIs Authentication (JWT) Payment Integration Task Queues

Frontend UI

React.js Vanilla JavaScript Tailwind CSS Glassmorphism Micro-animations Responsive Design

Databases

PostgreSQL DBMS Firebase Firestore SQL Optimizations SQLite Transaction Safety

Cloud & DevOps

AWS (Amazon Web Services) Firebase Console Git / GitHub CI / CD Workflows Cloud Infrastructure Linux Servers

Cybersecurity

Vulnerability Assessment Penetration Testing Threat Modeling Secure SDLC OWASP Top 10 Identity Controls

AI & Machine Learning

Generative AI APIs Semantic Search Vector Embeddings OpenCV Vision LLM Orchestration Machine Learning Models

Platforms & Tools

Linux (Ubuntu/Kali) Chrome APIs VS Code Android Studio Docker Containers Data Structures & Alg
Credibility

Certifications

Security and platform certifications that back the engineering work.

Oracle Certified AI Foundations Associate

Oracle · Oct 2025

AI / Artificial Intelligence
Show Credential

Artificial Intelligence Research Intern

University of Calcutta · Jul 2025 – Dec 2025 · 6 months

Kolkata, India (Hybrid)

AI & Android Development

Google Cybersecurity Professional Certificate

Google · Jul 2024

View Certificate

Web Development

Codeclause

Education

Education

B.Tech in Computer Science and Engineering with strong problem-solving and cybersecurity exposure.

The Neotia University

Bachelor of Technology — Computer Science and Engineering

Cybersecurity, Problem Solving, plus 8 more skills
Collaboration

Let's build something secure
and meaningful.

Open to software engineering roles, internships, and product collaborations.

Reach me

LinkedIn animesh-patra2004
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GitHub developer-animesh7
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Available for opportunities Open to internships, freelance, and collaborations

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Wednesday 9:00 AM – 6:00 PM
Thursday 9:00 AM – 6:00 PM
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Saturday 9:00 AM – 6:00 PM
Sunday 6:00 PM – 7:00 PM
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