Available for opportunities

Vallabhaneni Karthik

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Full Stack Developer and final-year Computer Science undergraduate at GITAM University with hands-on experience building and deploying production web applications. Focused on backend engineering, API integration, and AI-powered document assistants.

karthik.py
class VallabhaneniKarthik:
    def __init__(self):
        self.role = "Full Stack Developer"
        self.location = "India"
        self.languages = [
            "Python", "JavaScript", "Java", "C"
        ]
        self.stack = [
            "FastAPI", "React", "Vercel", "SQL"
        ]
        self.passion = "AI chatbots & web products"

    def build(self, idea):
        return deploy(idea) # ✓

Building production web apps and AI-powered solutions

I'm a Full Stack Developer and final-year Computer Science undergraduate at GITAM University with hands-on experience building and deploying production web applications.

Skilled in Python, FastAPI, JavaScript, REST API design, and cloud deployment (Vercel). I have built AI-powered chatbots using LLaMA3, FAISS, and SentenceTransformers, and delivered a live e-commerce platform with integrated payment (Razorpay) and shipping (Delhivery) APIs.

I enjoy designing modular backend systems, structuring clean schemas, and creating responsive interfaces to build software that works end-to-end. I am seeking a full-stack or backend developer role where I can contribute to real-world products.

4 Core Projects
2 Internships
5 Certifications

Key Strengths

Systems & Backend

Designs clean backend architectures and RESTful APIs using Python & FastAPI

🤖
AI/ML Integration

Connects LLMs, vector search databases (FAISS), and embeddings into search chatbots

🛒
API & Payment Integrations

Integrates third-party payment gateways (Razorpay) and logistics (Delhivery) systems

🚀
Independent Builder

Capable of managing codebases, version controls, and Vercel deployments autonomously

Technical toolkit

💻

Languages

Python JavaScript Java C HTML CSS SQL
🌐

Web & Backend

FastAPI REST APIs Responsive Design Web Development API Design
🗄

Databases

MySQL SQLite SQL Database Design
🤖

AI / ML

LLaMA3 FAISS OpenAI API CNN Bi-LSTM PSO Semantic Search NLP TensorFlow
📦

Frameworks & Libs

SentenceTransformers OpenCV Pandas Matplotlib Streamlit
🛠

Tools & Platforms

Git GitHub Vercel Razorpay Shiprocket Microsoft Power BI Excel

Where I've worked

Full Stack Developer

RTEC Appliances Private Limited

Jan – Mar 2026

📍 Hyderabad, India (Remote/Hybrid) · www.rtecappliances.com

  • Built and deployed the full production e-commerce website for RTEC Appliances – covering catalogue browsing, checkout, and order management – by independently designing the backend, frontend, and deployment pipeline.
  • Enabled secure online payments and automated order fulfillment by designing REST APIs in Python and integrating Razorpay for payments and Delhivery for shipping, removing manual steps from the order pipeline.
  • Delivered a mobile-responsive, fast-loading storefront by configuring deployment on Vercel with a custom domain and production build settings.
  • Maintained the full production codebase independently using Git and GitHub, managing version control end-to-end with no team support.
Python FastAPI JavaScript Razorpay Delhivery Vercel Git

Student Intern – AI Virtual Assistant

INCOIS (Indian National Centre for Ocean Information Services)

May – Jun 2025

📍 Hyderabad, India

  • Built a document-based AI chatbot enabling natural language search across PDF, Word, and PPTX files – replacing manual keyword search – by developing a FastAPI backend integrated with LLaMA3 for query handling.
  • Delivered accurate semantic retrieval across large document sets by implementing FAISS vector search with SentenceTransformers embeddings.
  • Shipped a production-ready chat interface with dark mode, speech-to-text input, and source citation tracking, built in HTML/CSS and wired to the backend’s retrieval pipeline.
  • Secured the platform with role-based access control via admin authentication and file upload/management permissions, maintaining the codebase in Git throughout.
FastAPI LLaMA3 FAISS SentenceTransformers HTML/CSS Git

Things I've built

🧠 Featured

Deepfake Media Detection System

Developed a deep learning-based deepfake detection system using a hybrid Xception CNN and Bi-LSTM architecture to analyze spatial and temporal inconsistencies in videos. Reached 76.25% accuracy and built a dashboard.

🎯 76.25% detection accuracy 📹 Preprocessed with MTCNN 📊 Streamlit dashboard
TensorFlow OpenCV Python Streamlit CNN Bi-LSTM PSO
🛒 Featured

RTEC Appliances E-Commerce Platform

Built and deployed a full production e-commerce website for RTEC Appliances. Handles catalogue browsing, shopping cart processes, and order checkout pipelines. Integrated Razorpay for payments and Delhivery for logistics.

💳 Razorpay integrated 🚚 Delhivery integrated ⚡ Live storefront on Vercel
Python FastAPI React Razorpay Delhivery Vercel
💬 Featured

INCOIS AI Virtual Assistant

Built a document-based AI chatbot enabling natural language searches across multiple file formats (PDF, Word, PPTX). Integrated vector retrieval pipelines using LLaMA3, FAISS semantic search, and SentenceTransformers.

📄 PDF, Docx, Pptx search 🔍 FAISS vector indexing 🔒 RBAC authentication
Python FastAPI LLaMA3 FAISS SentenceTransformers HTML/CSS
🛡️

Digital Literacy Platform – DALMA

Designed and built an interactive web platform promoting online safety and digital education, featuring resource guides, threat assessments, and user feedback forms. Optimized for desktop and mobile devices.

🛡️ Threat assessments 📝 Feedback forms 📱 Responsive dark UI
HTML CSS JavaScript Responsive Design

Academic background

🎓

B.Tech — Computer Science & Engineering

GITAM University

Sep 2022 – Jul 2026 (Expected)

Core Topics: Data Structures · REST APIs · Database Management Systems · Software Engineering · AI/ML · Web Development

Credentials & learning

Certified Data Analytics Essentials

Click to Verify

Cisco Networking Academy

Data literacy · Statistics · Spreadsheet analysis · Visualisation

Certified LLM Security Professional (CLLMSP)

Click to Verify

Red Team Leaders

LLM Security · Prompt Injection · Vulnerability Assessment · Model Hardening

AI Skills Fest 2026

Click to Verify

Microsoft

Generative AI · Azure OpenAI · Prompt Engineering · Copilot

AI-Powered Audience Strategy for Digital Marketing

Click to Verify

Adobe

Audience Strategy · Digital Marketing · Predictive Analytics · Personalisation

Tata - GenAI Powered Data Analytics Job Simulation

Click to Verify

Tata Group (Forage)

Data Simulation · Data Analytics · Data Visualization · Prompt Engineering

Let's build something

Open to software developer roles, internships, and interesting collaborations.

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