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Aaditya Barak

AI & Backend Engineer - LLMs, RAG Systems, Document Intelligence

I build production AI systems that move from demo to deployment: document intelligence pipelines, RAG over real business files, backend infrastructure, and shipped mobile apps across AI, productivity, and habit tracking.

1,000+documents processed 70%manual effort reduced 5apps shipped 2xpipeline speedup

📧 Email 💼 LinkedIn 🌐 GitHub 📞 Call 🐦 X 💬 Discord 🤗 HuggingFace 📄 CV PDF

💼 Experience

AI & Backend Engineer

PRUDENTBIT

Noida, Uttar PradeshFeb 2026 - Present

Migrated backend services to on-premise deployment using Docker, containerized production workloads, and helped manage backend + AI infrastructure
Integrated OnlyOffice for in-app document editing and collaboration workflows
Moved LLM inference to ONNX runtime and optimized Django services for better production performance
Implemented a software licensing system for platform access control

AI Intern

PRUDENTBIT

Noida, Uttar PradeshMay 2025 - Nov 2025

Led production-grade document redaction for PDF, DOCX, images — 70% effort reduction, 1,000+ docs
Built end-to-end AI pipeline (OCR + PII detection + masking) — 2x processing speed
Built PII detection with pixel-level masking while preserving original document layout
Implemented TinyBERT reranking at roughly 100ms for improved search relevance

📱 Shipped Apps

💇 KeshAI iOS / Photo & Video 🔖 NotiF iOS / Productivity 🚭 LastCig Android / Health & Fitness 🍸 Sip Count Android / Health & Fitness 🌬️ PuffFree Android / Health & Fitness

📂 Projects

📄 AI Resume Parser & Job Matcher 1,000+ resumes ranked 40% recruiter effort reduction 📚 Veda RAG System Production document Q&A Multi-format RAG pipeline 🛒 AI Shopify Analytics Natural language to ShopifyQL NL analytics for operators 🎭 Deepfake Detection System 93% accuracy detector Real vs synthetic media detection 🏷️ BERT NER System Token classification Transformer-based extraction 🎓 AI Counsellor Study abroad guidance Personalized education guidance 🔍 Product Filter Semantic product search Vector search over products 🧾 Paper Summarizer Research paper assistant Multi-style technical explanation 📺 YouTube Bot Content assistant Multi-model creator tooling 🏥 Addy Health AI health assistant Mobile AI health product 🌾 Smart Agriculture AI farming assistant Sensor-aware farm assistant 💬 Real-time Chat Room Multi-user WebSocket chat Live collaboration basics 🌍 Lebanon Initiative Community platform Human-centered web product

🛠️ Technical Skills

Python

95%

LLMs / GenAI

92%

RAG / Vector Search

90%

PyTorch / Transformers

88%

FastAPI / Next.js

85%

Docker / Linux

84%

CV / OCR / PII

80%

PostgreSQL / Supabase / Redis

78%

ONNX / Backend Optimization

76%

JavaScript / SQL

74%

🎓 Education

🎓

UIET, Panjab University

B.E. — Electrical & Electronics Engineering

Sep 2022 – May 2026 | Chandigarh, India

Open Source Contributor & Mentor — ML/NLP repos

📞 Contact

📧

Email
aadityabarak970@gmail.com

💼

LinkedIn
aaditya-barak

🌐

GitHub
AddyB0t

📞

Call
+91 9896127290

🐦

X
@aadi29494

💬

Discord
Community

🤗

HuggingFace
AddyB0t

13 project(s)

C:\Users\Addy\

🚀 Freelancing — Client Projects

🎓 ZapUp

AI Educational Platform

Next.js, Supabase, LLM

🌐 Visit Live Site 📂 GitHub

Full-stack AI educational platform with real-time chatbot, personalization, and scalable backend

Built real-time chatbot with context-aware LLM assistant
Implemented conversation memory & dynamic filtering
Scalable backend using Next.js + Supabase

🏗️ TITTA

AI Construction Analysis System

FastAPI, RAG, PostgreSQL

🌐 Visit Live Site 📂 GitHub

Production-grade RAG system for querying construction PDFs and CAD files (DWG/DXF)

Built RAG system for querying PDFs + CAD (DWG/DXF)
BGE-large embeddings + Supabase vector storage
DWG/DXF metadata extraction pipeline → PostgreSQL
Domain-specific reasoning for engineering analysis

2 client project(s)

C:\Users\Addy\Freelance\

📱 Shipped Apps - Product Shelf

Address:

Built beyond demos. These are shipped product surfaces across AI try-on, productivity, smoking/vaping recovery, and mindful alcohol tracking.

💇 KeshAI iOS / Photo & Video AI hairstyle try-on with face-shape-aware recommendations. Upload or capture a selfie and preview hairstyle transformations 50+ hairstyles across cuts, colors, and looks App Store 🔖 NotiF iOS / Productivity Smart bookmark manager for saving, organizing, and revisiting links. Save links from Safari, Chrome, YouTube, social apps, and manual paste AI extraction for titles, summaries, and thumbnails App Store 🚭 LastCig Android / Health & Fitness Quit-smoking tracker that makes health recovery and savings visible. Live quit timer plus cigarette and craving logging Recovery tracking across 12 body systems Google Play 🍸 Sip Count Android / Health & Fitness Private alcohol tracker with drink logs, BAC estimation, and spending analytics. Fast drink logging for beer, wine, cocktails, shots, and custom drinks Real-time BAC estimation using the Widmark formula Google Play 🌬️ PuffFree Android / Health & Fitness Quit-vaping tracker built around puffs skipped, money saved, and recovery progress. Puff counter and device-based money-saved math Vape-specific recovery timeline and craving log Google Play

5 shipped app(s)

C:\Users\Addy\Products\

📁 My Projects — Details View

Name	Type	Tech	Impact	Description
📄 AI Resume Parser & Job Matcher	AI/NLP	FastAPI, PostgreSQL, OCR, NER, LLM scoring	40% recruiter effort reduction	Resume intelligence system using OCR, NER, and LLM scoring to parse 1,000+ resumes and reduce recruiter screening effort by 40%.
📚 Veda RAG System	AI/RAG	FastAPI, ChromaDB, OCR, PII protection	Multi-format RAG pipeline	Production RAG system with multi-format document support, OCR ingestion, PII protection, and evaluation-focused retrieval quality.
🛒 AI Shopify Analytics	AI/Full-Stack	Rails, FastAPI, GPT-4	NL analytics for operators	Agentic analytics workflow that translates natural-language business questions into ShopifyQL and returns decision-ready commerce insights.
🎭 Deepfake Detection System	ML/CV	TensorFlow, VGG16	Real vs synthetic media detection	Computer-vision detector trained to classify real vs synthetic images, achieving 93% accuracy with transfer learning.
🏷️ BERT NER System	AI/NLP	Transformers, PyTorch	Transformer-based extraction	Named-entity recognition system built with HuggingFace Transformers and PyTorch, improved through fine-tuning and preprocessing.
🎓 AI Counsellor	AI/Full-Stack	Next.js, FastAPI, GPT-4o	Personalized education guidance	AI study abroad guidance platform with personalized university recommendations and conversational assistance.
🔍 Product Filter	AI/Search	LangChain, FAISS, HuggingFace embeddings	Vector search over products	Semantic product filtering using HuggingFace embeddings and FAISS vector search for intent-aware discovery.
🧾 Paper Summarizer	AI/NLP	Streamlit, LangChain	Multi-style technical explanation	Research-paper summarizer with beginner, technical, code, and math explanation modes for faster learning.
📺 YouTube Bot	AI/NLP	Streamlit, Multi-LLM	Multi-model creator tooling	AI YouTube content assistant integrating OpenAI, Anthropic, Gemini, and HuggingFace models into a creator workflow.
🏥 Addy Health	Mobile/AI	React Native, GPT-4	Mobile AI health product	AI-powered pregnancy assistant mobile app with intelligent chat and subscription tracking.
🌾 Smart Agriculture	Mobile/AI	React Native, Expo, Supabase	Sensor-aware farm assistant	AI farming assistant with real-time sensor monitoring and AgroAssist chatbot.
💬 Real-time Chat Room	Full-Stack	FastAPI, WebSocket	Live collaboration basics	Real-time chat room with WebSocket messaging, message history, multi-user rooms, and emoji support.
🌍 Lebanon Initiative	Social Impact	Next.js, TypeScript	Human-centered web product	Safe-space platform for women and children in South Lebanon, built with a social-impact product lens.

13 object(s)

C:\Users\Addy\Projects\

📄 CV - WordPad

Aaditya Barak

AI & Backend Engineer - LLMs, RAG Systems, Document Intelligence

Education

UIET, Panjab University - Bachelor of Engineering, Electrical & Electronics Engineering
Sep 2022 - May 2026 | Chandigarh, India

Experience

PrudentBit - AI & Backend Engineer

Feb 2026 - Present | Noida, Uttar Pradesh

Migrated the backend to on-premise deployment using Docker, containerizing services and managing infrastructure for backend and AI workloads
Integrated OnlyOffice into the product for in-app document editing and collaboration workflows
Migrated LLM inference to ONNX runtime and optimized Django backend services for improved performance
Implemented a software licensing system for the platform

PrudentBit - AI Intern

May 2025 - November 2025 | Noida, Uttar Pradesh

Led development of a production-grade document redaction system for PDF, DOCX, and images, reducing manual effort by 70% across 1,000+ documents
Built an end-to-end document AI pipeline using OCR, preprocessing, PII detection, and masking, improving processing speed by 2x
Developed PII detection with pixel-level masking while preserving layout
Added TinyBERT-based reranking at roughly 100ms for better search relevance

Freelance AI Engineer - Client Projects

May 2025 - Present | Remote

ZapUp - AI Educational Platform: Built a full-stack platform with real-time chatbot, personalization, and scalable backend using Next.js and Supabase
Implemented a context-aware LLM assistant with conversation memory and dynamic filtering
TITTA - AI Construction Analysis System: Built a production-grade RAG system for querying PDFs and CAD files
Implemented vector search using BGE-large embeddings with Supabase vector storage
Designed a DWG/DXF metadata extraction pipeline with structured PostgreSQL storage for domain-specific engineering reasoning

Projects

AI-Powered Resume Parser & Job Matcher

FastAPI, PostgreSQL - November 2025

Built AI system using OCR + NER + LLM scoring to process 1,000+ resumes
Implemented multi-criteria ranking that reduced recruiter effort by 40%

BERT NER System

Transformers, PyTorch - July 2025

Built a token classification model using HuggingFace Transformers and PyTorch
Improved performance using fine-tuning and preprocessing

Deepfake Detection System

TensorFlow - April 2025

Achieved 93% accuracy using VGG16 transfer learning
Evaluated model performance across real vs synthetic datasets

Technical Skills

Languages: Python, SQL, JavaScript
AI/ML: PyTorch, Transformers, NLP, Computer Vision, OCR
LLM & GenAI: LLMs, Prompt Engineering, RAG, LangChain, Vector Search
Frameworks: FastAPI, Next.js
Databases: PostgreSQL, Supabase, Redis
Tools: Git, Linux, Docker

Leadership / Extracurricular

Open Source and Developer Community - Contributor / Mentor
2022 - Present | Panjab University

Contributed to ML/NLP repositories and mentored developers on APIs and deployment

410 words

C:\Users\Addy\Documents\CV.doc

📝 My Documents

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📄 What I learned while making my CV.txt	Text Document
📄 CV.doc	Word Document

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C:\Users\Addy\Documents\

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