Open to opportunities

Harsh Sachan

@harshsachan

Message

Aspiring Machine Learning Engineer building RAG and agentic LLM systems.

India

Message

What I'm looking for

I’m looking for a role where I can build production-ready RAG/LLM solutions and agentic workflows, focus on semantic search and reliable APIs (FastAPI), and ship ML features end-to-end with strong engineering standards.

I’m an aspiring Machine Learning Engineer with a B.Tech in CSE (AI Specialization). I focus on building Retrieval-Augmented Generation (RAG) pipelines, semantic similarity search, and agentic workflows using LLMs, with a strong emphasis on prompt engineering and knowledge-grounded generation.

In an Agentic RAG system built with Gemini and Pinecone, I implemented high-speed semantic similarity search and delivered context-aware question answering and document summarization across large unstructured PDFs. I also developed agentic knowledge retrieval workflows using LangChain, LangGraph, and the Gemini API.

I’ve trained and deployed an NLP Spam Classifier using a GRU-based sequence model, serving it via FastAPI and containerizing it with Docker for deployment on Hugging Face Spaces. I also built a FastAPI REST backend with Pydantic v2 cross-field validation and designed a Streamlit analytics dashboard, while strengthening my deployment and data-science foundation through OCI certifications.

Experience

Work history, roles, and key accomplishments

Agentic RAG System

Independent

Jan 2025 - Present (1 year 6 months)

Built a Retrieval-Augmented Generation (RAG) pipeline using Pinecone for high-speed semantic similarity search. Implemented context-aware question answering and document summarization over large unstructured PDFs using LangChain/LangGraph workflows and the Gemini API.

Retrieval Augmented Generation (RAG)Semantic Search Pinecone Context Aware Question Answering Summarization Lang Chain LangGraph Gemini API PDF Processing

NexCart Full-Stack Product

Independent

Jan 2025 - Present (1 year 6 months)

Engineered a FastAPI REST backend with Pydantic v2 cross-field validators for data quality. Designed a 5-module Streamlit analytics dashboard and computed business metrics from product schemas.

fastAPI REST APIs Pydantic Cross Field Validation Streamlit Dashboards

NexCart Full-Stack Product Mgmt

Independent

Jan 2025 - Present (1 year 6 months)

Engineered a FastAPI REST backend with Pydantic v2 cross-field validators to ensure data quality. Designed and built a Streamlit analytics dashboard and auto-computed business metrics from product schemas.

fastAPI REST APIs Pydantic Data Validation Streamlit Dashboards Metrics

NeuralClass NLP Spam Classifier

Independent

Jan 2024 - Present (2 years 6 months)

Trained a GRU-based sequence model for NLP spam text classification. Served the model via FastAPI, containerized it with Docker, and deployed it on Hugging Face Spaces.

NLP Sequence Modeling fastAPI Docker Hugging Face Spaces

NeuralClass Spam Classifier

Independent

Jan 2024 - Present (2 years 6 months)

Trained a GRU-based sequence model for NLP spam classification. Served the model via FastAPI, containerized with Docker, and deployed it on Hugging Face Spaces.

Sequence Modeling fastAPI Docker Hugging Face Spaces

Education

Degrees, certifications, and relevant coursework

Galgotias College of Engineering and Technology

Bachelor of Technology (B.Tech), Computer Science Engineering (AI Specialization)

2022 - 2026

Grade: CGPA: 8.12/10.0

B.Tech in Computer Science Engineering (AI Specialization) with coursework in Natural Language Processing, Machine Learning, Deep Learning, Generative AI & Agents, and Vector Databases.