I am a Data Scientist and recently completed postgraduation at University of Delhi. This is my personal website where I share articles on my personal projects, maths, machine learning, algorithms, data structures and more.
📍 Delhi, India
📧 sagarzendex@gmail.com
🐙 GitHub: spartan289
🔗 LinkedIn: dev-sagarr
💼 Experience
Data Scientist Intern — Oriserve, India
Jan 2025 – July 2025
- Designed and fine-tuned a conversational AI agent tailored to business use cases.
- Delivered enterprise-scale AI solutions for multinational clients (Bajaj Finserv, Tata Capital, Galactic Client Services), increasing customer engagement by 35%.
- Built an automated Conversation Evaluation Framework using user behavior modeling, reducing manual validation of conversation voice bots by 80%.
- Finetuned LLaMA 3.1-8B-Instruct model using LoRA to develop a task-specific user simulation model for dialog system evaluation.
- Developed a Conversation Analysis Tool to generate insights via thematic clustering of conversation transcripts.
- Conducted R&D on MuseTalk, a real-time high-quality lip-syncing model with Indian demographic fine-tuning for improved lip-sync accuracy.
Software Engineer Intern — FOSSEE, IIT Bombay
Mar 2022 – Aug 2022
- Developed a CLI version of OSDAG, an open-source project, enabling batch report generation via Excel-driven templates.
- Built a cross-platform installation setup for Windows and Linux environments.
🛠 Skills
Software & Libraries: Numpy, Pandas, Scikit-learn, spaCy, PyTorch, Keras, Matplotlib, Seaborn, FastAPI, Beautifulsoup, Plotly, vLLM
Data Science Skills: Python, SQL, Machine Learning, Deep Learning, LLMs, GenAI, AI Agents, Retrieval Augmented Generation (RAG), Data Analysis, Data Visualisation, NLP, Statistics, Linear Algebra
🎓 Education
M.Sc. Computer Science — University of Delhi
Sept 2023 – June 2025
- Coursework: Deep Learning, Network Science, Advanced Algorithms, Data Mining, Machine Learning, Image Processing
- Publication (in review): AugAbEx: Way Forward for Extractive Case Summarization, Springer Nature Language Resources and Evaluation
B.Sc. Computer Science (Hons.) — University of Delhi
Nov 2020 – May 2023
- Coursework: Theory of Computation, Algorithms, Computer Architecture, Computer Networks, Operating System, DBMS
🚀 Projects
MathSnap: Text/Image → LaTeX Converter (Chrome Extension)
- Developed a Chrome extension that converts informally written math formula and math expression’s image snippet into LaTeX format and (vice-versa).
- Designed for students, educators, and researchers to speed up the process of digitizing math equations.
- Published on the Chrome Web Store for public use.
Sentence Autocompletion
- Built an autocomplete system with LSTM and N-gram models for next-word prediction.
- Tools: TensorFlow, LSTM, RNN
🏆 Achievements & Certifications
- GATE DA 2023 Qualified — AIR 465, Score 661/1000
- Top 10 Finalist in IndoML 2024’s Datathon Competition; invited to present at the IndoML 2024 Conference