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Keerthana Rangaraj

Data Scientist | Computer Vision, ML & Deep Learning | LLMs, RAG & Time Series Forcasting

Bengaluru

2+ years of work experience

Axion Ray
Oct 202511 mosAug 2026

Bengaluru

• GenAI / RAG: Built a RAG-based pipeline to tag 50K+ product complaint records across risk, priority, failure condition, component, and trigger-word categories, reducing manual tagging and coding effort by 95%. • PII Redaction: Architected and deployed a 6-layer pipeline combining Transformer-based NER, semantic embedding validation, and Llama 3.2 arbitration for 13 sensitive entity types; achieved 90%+ precision with sub-second latency. • LLM Prompting & Automation: Designed and refined LLM prompts through iterative testing and developed Python scripts for data processing, transformation, validation, and analysis. • Performed anomaly detection, edge-case analysis, root-cause analysis, data validation, reporting, and dashboard development for manufacturing workflows.
5C Network
Aug 20241 yrJul 2025

I am excited to announce that I've been promoted as a Data Scientist after doing an internship for 4 months at 5c Network
5C Network
Apr 20244 mosJul 2024

Keerthana’s AI Stack

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claude code
gemini
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langchain
langchain
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ollama
ollama

Education

Christ University, Bangalore

Master of Science - MS, Data science

Christ University, Bangalore

20222 yrs2024
Dr.G.R.Damodaran College of Science

Bachelor of Science, Information Technology

Dr.G.R.Damodaran College of Science

20183 yrs2021

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Headline

Data Scientist | Computer Vision, ML & Deep Learning | LLMs, RAG & Time Series Forcasting

About

I am an enthusiastic Data Scientist with the experience and profound passion for exploring the realms of machine learning, artificial intelligence (AI), and deep learning. My journey in the field of data science has been one fueled by curiosity, dedication, and an insatiable appetite for knowledge.

Location

Bengaluru

AI stack

claude code

gemini

hugging face

langchain

langgraph

ollama

Work experience

Data Analyst at Axion Ray, Oct 2025 - Aug 2026 · 11 mos, Bengaluru, • GenAI / RAG: Built a RAG-based pipeline to tag 50K+ product complaint records across risk, priority, failure condition, component, and trigger-word categories, reducing manual tagging and coding effort by 95%. • PII Redaction: Architected and deployed a 6-layer pipeline combining Transformer-based NER, semantic embedding validation, and Llama 3.2 arbitration for 13 sensitive entity types; achieved 90%+ precision with sub-second latency. • LLM Prompting & Automation: Designed and refined LLM prompts through iterative testing and developed Python scripts for data processing, transformation, validation, and analysis. • Performed anomaly detection, edge-case analysis, root-cause analysis, data validation, reporting, and dashboard development for manufacturing workflows.

Data Scientist at 5C Network, Aug 2024 - Jul 2025 · 1 yr, I am excited to announce that I've been promoted as a Data Scientist after doing an internship for 4 months at 5c Network

Data Science Intern at 5C Network, Apr 2024 - Jul 2024 · 4 mos

Education

Master of Science - MS, Data science, Christ University, Bangalore

Bachelor of Science, Information Technology, Dr.G.R.Damodaran College of Science

Public links

github: https://github.com/KeerthanaRangaraj

Keerthana Rangaraj - Data Analyst in Bengaluru | Tal