Purbashis Behera
● Open to Work

Purbashis Behera

Ai ml engineer
Bhubaneswar,Odisha

About Me

Software Engineer with 2+ years of experience building AI/ML systems in production. Reduced LLM hallucination by 35% using hybrid RAG, improved model accuracy by 40% across 3 projects, and maintained 99.9% uptime for 5+ deployed services on AWS. Skilled in Python, LangChain, TensorFlow, PyTorch, FastAPI, and the full ML lifecycle.

Skills & Technologies

PythonSQLC++GoRAG PipelinesFine-tuning (LoRA/PEFT)Prompt EngineeringNLPTransformersHallucination MitigationLangChainTensorFlowPyTorchHugging FaceScikit-learnFastAPIEnd-to-end ML pipelinesModel deployment & monitoringCI/CDHyperparameter tuningAWS (EC2, S3, ECS)DockerREST APIsMicroservicesIntegration ArchitectureFAISSPineconePostgreSQLFeature engineeringETL Pipelines

Work Experience

Freelance AI/ML Engineer

Self-employed
Nov 2025NOW

Fine-tuned LLMs with LoRA on domain-specific datasets, improving response accuracy by 25%. Built modular ETL pipelines to convert raw documents into searchable vector knowledge bases.

Software Engineer — AI/ML & GenAI

tickIoT Inc
Nov 2023Oct 2025

Built RAG pipelines with LangChain and FAISS using hybrid vector + SQL retrieval, reducing LLM hallucination by 35%. Wrote end-to-end ML pipelines, improving model accuracy by 40% across 3 projects. Deployed FastAPI REST microservices for model inference, achieving sub-second latency under high-concurrency loads.

Projects

Enterprise AI Knowledge Assistant

RAG pipeline with hybrid vector + SQL search; improved retrieval precision by 40%. Deployed as microservices on AWS.

LangChainFAISSFastAPIDocker+1

Healthcare NLP Classifier

Text classification on real medical data; reached 91% accuracy using feature engineering and supervised learning. Automated the EDA and reporting workflow, cutting manual data review time for researchers significantly.

Scikit-learnTensorFlowStreamlit

Education

Master of Computer Applications

Computer Applications

Institute of Management & Information Technology2020 - 2023

Bachelor of Science in Information Technology

Information Technology

Centurion University of Technology & Management2017 - 2020
Purbashis Behera - Ai ml engineer | HiringAnt