Nihar Shiva Kumar

🔥 Hey there, I'm Nihar Shiva Kumar!

🚀 Passionate about AI, Machine Learning, and Generative AI — I apply advanced techniques to real-world challenges. With a background in Electrical Engineering and Data Science, I build LLMs, NLP systems, and scalable cloud pipelines for impactful applications. Interests: Chess ♟️, Piano 🎹, Hiking 🥾.

Experience

• Data Scientist, CrowdDoing (2024–2025): Web scraping, NLP, sentiment analysis, Power BI dashboards. +25% faster decisions, +15% revenue impact.
• Data Analyst Intern (MLOps), Viatris (2024): Built NLP pipelines, clustering (HDBSCAN), Azure VectorDB, time-series (LSTM), Power BI reporting.
• Engineer Intern, Microchip (2021–2022): MATLAB analysis on SiC modules, RMA root cause resolution (90%), Altium migration, and PCB automation projects.

Skills

ML & AI: XGBoost, SVM, LSTM, Transformers, CNNs, kNN, HDBSCAN

Generative AI & LLMs: GPT-4, FLAN-T5, DistilBERT, Mixtral, Gemma, RAG, LangChain

Big Data: Spark, Hadoop, Hive, Scala

Cloud: AWS (SageMaker, Lambda, Redshift), GCP, Azure (AAS, VectorDB)

Data Tools: Python, SQL, Power BI, Tableau, Jupyter, Alteryx, MATLAB

Certifications: AWS Certified Cloud Practitioner, UTD Applied Machine Learning, DeepLearning.ai LLMOps

Projects

• 🎯 Tweet Emotion Detection – LSTM with Hugging Face; high F1-macro.
• 📊 Credit Risk Prediction – XGBoost on Amex data, 93.5% F1.
• 💡 Smart Energy (AWS) – EV charging optimizer using serverless stack.
• 🧠 LLM Fine-tuning – DistilBERT, Gemma, FLAN-T5 with LoRA, QLoRA, IA3.
• 📈 Airbnb Pricing Optimization – XGBoost + SHAP for price drivers.

Education

MS – Business Analytics, UT Dallas (2024) | GPA: 3.87

MTech – Power Electronics & Drives, Manipal Institute of Technology (2021)

BTech – Electrical & Electronics, BMS College of Engineering (2019)

Finalist: UTA Data Competition, Adobe Analytics Challenge, Alteryx Datathon

Recommendations

Visit my LinkedIn recommendations to see what mentors, peers, and collaborators say about working with me.

Contact

Email: shivakumarnihar@gmail.com

LinkedIn: linkedin.com/in/nihar-shiva-kumar

GitHub: github.com/Nih4rS