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Results-driven Machine Learning Engineer with 5+ years of experience designing and deploying production-grade AI/ML systems. Built end-to-end AI applications across healthcare, logistics, travel, and media—consistently reducing operational costs and accelerating time-to-production. Deep expertise in LangGraph/LangChain agent architectures, RAG pipelines, vector search (OpenSearch), and MLOps. AWS Bedrock–powered solutions across multiple enterprise projects, with strong focus on reliability, scalability, compliance, and measurable performance improvements.…Results-driven Machine Learning Engineer with 5+ years of experience designing and deploying production-grade AI/ML systems. Built end-to-end AI applications across healthcare, logistics, travel, and media—consistently reducing operational costs and accelerating time-to-production. Deep expertise in LangGraph/LangChain agent architectures, RAG pipelines, vector search (OpenSearch), and MLOps. AWS Bedrock–powered solutions across multiple enterprise projects, with strong focus on reliability, scalability, compliance, and measurable performance improvements.

Bhuwan Bhatt

AI Engineer, Data Scientist, DevOps Developer, +1

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Results-driven Machine Learning Engineer with 5+ years of experience designing and deploying production-grade AI/ML systems. Built end-to-end AI applications across healthcare, logistics, travel, and media—consistently reducing operational costs and accelerating time-to-production. Deep expertise in LangGraph/LangChain agent architectures, RAG pipelines, vector search (OpenSearch), and MLOps. AWS Bedrock–powered solutions across multiple enterprise projects, with strong focus on reliability, scalability, compliance, and measurable performance improvements.…Results-driven Machine Learning Engineer with 5+ years of experience designing and deploying production-grade AI/ML systems. Built end-to-end AI applications across healthcare, logistics, travel, and media—consistently reducing operational costs and accelerating time-to-production. Deep expertise in LangGraph/LangChain agent architectures, RAG pipelines, vector search (OpenSearch), and MLOps. AWS Bedrock–powered solutions across multiple enterprise projects, with strong focus on reliability, scalability, compliance, and measurable performance improvements.

Available to hire

Results-driven Machine Learning Engineer with 5+ years of experience designing and deploying production-grade AI/ML systems. Built end-to-end AI applications across healthcare, logistics, travel, and media—consistently reducing operational costs and accelerating time-to-production.

Deep expertise in LangGraph/LangChain agent architectures, RAG pipelines, vector search (OpenSearch), and MLOps. AWS Bedrock–powered solutions across multiple enterprise projects, with strong focus on reliability, scalability, compliance, and measurable performance improvements.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Advanced

Work Experience

Machine Learning Engineer (AI/ML Consultant) at Tech 42 LLC (Consulting)

May 1, 2025 - May 1, 2026

Delivered AWS Bedrock-powered AI solutions across ~10 enterprise client projects in a single year, including 3 production agentic AI systems (Bacon, COG AI, bTd Travel). Architected end-to-end LLM pipelines and production ML infrastructure, coordinating across time zones and tight client launch deadlines. Built multimodal AI enrichment and semantic search for 500K–600K watch faces, reducing embedding compute costs by 50% using Bedrock batch processing. Reduced inference cost by 90% by re-engineering procurement information extraction onto a cheaper model while maintaining compliance. Shipped a production real-time speech service for an AI voice agent with <1s audio-to-first-alignment and reduced autoscaling alarm detection time from ~120s to ~20s. Built an OpenSearch RAG pipeline summarizing audio call transcripts and indexing summaries as vector embeddings for retrieval-based Q&A. Architected a production LangGraph agent system for automated vital-sign review with concurrent multi-d

ML Engineer at Triumph Technology Solutions

September 1, 2022 - August 1, 2023

Automated transcription of doctor–patient conversations using Amazon Transcribe Medical, extracted medical entities using Amazon Comprehend Medical, and generated SOAP notes with LLMs—cutting manual documentation effort by 50%. Optimized a recommendation engine using AWS Personalize and built Amazon QuickSight dashboards to track engagement. Architected scalable AWS ML infrastructure and automated nursing summary generation; performed cloud migration and cost analyses.

ML Engineer at TAI Inc.

January 1, 2022 - December 1, 2023

Deployed Label Studio on AWS to streamline NER labeling and active learning, reducing annotation time by 50%+. Fine-tuned a Japanese BERT model for document ranking and recommendations, improving search relevance. Authored internal technical documentation on Transformers, BERT, and document ranking to support team knowledge transfer. Contributed to client growth initiatives that enabled 100%+ team expansion and increased project opportunities.

ML Engineer at Fusemachines Nepal

December 1, 2019 - December 1, 2021

Led development of Fuse Studio, an AI-powered tool to auto-generate videos from slide content and speaker notes. Mentored junior engineers in TDD, SHAP, LIME, and ML interpretability; experimented with GANs for image generation R&D.

Freelance ML Engineer at Upwork

September 1, 2017 - December 1, 2023

Designed stock prediction models with sentiment classification to reduce false positives. Built OCR pipelines for unstructured image documents. Engineered audio-based equipment defect detection using signal processing and deep learning for predictive maintenance, applying LIME/SHAP for explainability.