Chaitanya Kumar
Sahu
Building Reliable Web Applications and responsive Full-Stack Systems focused on performance and design.
Currently Building: Advanced Web Interfaces & Full-Stack Platforms
Repositories
Internships
Projects
Certificates
Latest Innovations
AI Face Authentication
Biometric security using Haar Cascades for real-time verification and automated campus attendance logging.
High latency and lighting inconsistency in live campus environments.
Optimized frame buffers and implemented CLAHE enhancement for 98% accuracy.
Raksha – Alert
Smart Safety Infrastructure
“System analysis, architectural trade-offs, and custom synchronization protocols.”
Existing public safety emergency structures remain sluggish due to complete reliance on slow synchronous Web requests and flat API loops. During local crises, mobile carrier channels experience rapid congestion, dropping critical HTTP packages. Furthermore, active background GPS mapping drains cell battery in hours, leaving users isolated in critical zones.
Network Inconsistency
Standard REST endpoints fail when networks are congested during major municipal crises.
Notification Delays
Generic push notifications lack high-priority delivery flags, leading to vital minutes of delay.
Power & GPS Constraints
Continuous GPS coordinate polling quickly drains battery reserves during prolonged critical situations.
To build a fail-proof platform, we integrated low-overhead persistent socket connections with asynchronous local databases. This ensures high-priority payloads are executed instantly.
Firebase Local Cache Integration
Configured localized local replication states. Active incident updates cache locally, executing instant callback queues the millisecond signal re-establishes.
Programmatic SMS Gateway
Integrated high-speed RESTful API pipelines via Fast2SMS to fire automated carrier-level text alerts when users go completely offline.
Precision Coordinate Throttling
Developed a custom GPS client routing module that automatically drops polling frequency if the client device is stationary, instantly preserving vital cell battery.
Firebase RTDB vs Custom WebSockets
**Decision:** Chose Firebase Realtime Database over hosting custom Node/Socket.io instances.
**Trade-off:** Firebase introduces slight proprietary vendor-lockin, but provides superior automatic offline data synchronization, high-availability replication, and seamless network handshakes during local internet outages.
GPS Frequency Throttling vs Accuracy
**Decision:** Dropped precise continuous polling in favor of a hybrid motion-threshold loop.
**Trade-off:** Coordinate precision fluctuates up to 5 meters when static, but increases mobile cell battery lifespan from 4 hours of continuous operations to over 16 hours.
Future releases are designed to incorporate decentralized Bluetooth mesh network arrays to broadcast alerts between devices locally when standard cell tower networks fail. Machine learning models will also run locally on devices to classify reports and optimize dispatch queues.
Interactive Assets
Deployments and technical documentation
Engineering
Depth & Systems
“High-performance pipelines, fail-safe fallbacks, and real-time synchronization.”
Dynamic Live Polling Protocol
Implements coordinate polling throttling based on battery levels and device activity states. This optimizes GPS battery consumption while ensuring precise precision during active alerts.
Dual-Channel Failover Routing
Utilizes asynchronous, redundant pipelines: Firebase Cloud Messaging is automatically backed up with programmatic, high-priority SMS gateway protocols if a recipient is disconnected from mobile networks.
Secure Transmission Hardening
Encrypts active coordinate structures on transfer. Integrates robust Firebase rules preventing cross-tenant access, ensuring secure incident reporting logs in sensitive environments.
Technical
Capabilities
Frontend Development
React.js
Interactive UIsBuilding responsive web interfaces with reusable components and efficient rendering.
Next.js
Modern Web App CoreImplementing clean client-side routing, SEO optimization, and static site generation.
Tailwind CSS
Responsive StylingCrafting beautiful, pixel-perfect, and mobile-friendly responsive layouts with utility classes.
Framer Motion
Micro-AnimationsEnhancing user experience with subtle transitions, interactive buttons, and hover feedback.
Backend & Database
Firebase
Real-time DatabaseIntegrating real-time data sync, secure user authentication, and persistent cloud storage.
Node.js
Server ScriptingCreating simple web servers, writing REST APIs, and handling backend logic streams.
Python & FastAPI
Fast API RoutingBuilding backend API endpoints, processing logic payloads, and conducting server tests.
SQL & PHP
Relational DatabasesWriting structured queries, designing basic database schemas, and handling local user inputs.
AI & Learning
OpenCV
Computer Vision StudyExploring basic face tracking, image matrix manipulation, and frame-processing filters.
TensorFlow & NumPy
AI FoundationsLearning mathematical arrays, writing basic classification models, and evaluating training data.
GenAI & APIs
AI API IntegrationExperimenting with large language model APIs, structuring system prompts, and building simple chatbots.
Cybersecurity Basics
VAPT Basics
Security Testing LabStudying OWASP Top 10 vulnerabilities and practicing basic web application security audits in local lab setups.
Wireshark & Nmap
Network ExplorationLearning network port scanning, analyzing packet headers, and practicing traffic logging.
Security Fundamentals
Core PrinciplesStudying hashing functions (like SHA-256), encryption principles, and secure coding best practices.
Professional
Experience
Cybersecurity Intern
Symbiosys Technologies
- Conducted thorough Vulnerability Assessment and Penetration Testing (VAPT) on web applications.
- Identified and documented critical security flaws, including complex SQL Injection vulnerabilities.
- Collaborated with the development team to patch vulnerabilities and improve overall security posture.
Cybersecurity Intern
Adiroha Solutions
- Executed simulated cyberattacks using Metasploit to test infrastructure resilience.
- Analyzed network traffic and system logs to identify potential security breaches.
- Drafted comprehensive vulnerability reports with actionable remediation steps for clients.
CERTIFICATES
Learn Python Programming
CodeChef
Unlocking AI for Everyone (Beginner)
Microsoft / Skill India
Symbiosis Cybersecurity Internship
Symbiosys Technologies
Adiroha Cybersecurity Internship
Adiroha Solutions
Python – NPTEL Elite Silver Medal
NPTEL (IIT Madras)
Google AI Essentials
Google (Coursera Verified)
Infosys AI & Deep Learning Foundations
Infosys Springboard Elite
Smart India Hackathon (SIH) National Finalist
Ministry of Education, Govt. of India
Ratan Tata Innovation Hub Project Award
Ratan Tata Innovation Hub (RITH)
Evolutionary
Roadmap
The Foundation
Mastered C Language, Python Basics, and MS Office. Built the core logic of problem solving.
The Expansion
Mastered Web Development (HTML, CSS, JS) and React. Earned key industry certifications and attended technical workshops.
Professional Excellence
Developing Full-Stack Projects and completing Internships. Successfully launched the Raksha Alert system.
My Ecosystem
Deliverables
● Fullstack Systems
● AI Learning
● Modern UI
Active Core
Raksha Alert
An emergency communication system built with React and Firebase to send localized coordinates and distress updates.
Core Objectives
Vision Board
Let's Build
The Future
Ready to collaborate on high-impact projects or discuss the next digital evolution? Secure a connection today.
Secure Message
I respond to all inquiries within 24 hours.