AI/ML Engineer with 11+ years of experience building scalable enterprise AI and automation solutions. Skilled in Python and GenAI/LLMs with RAG, LangGraph, Azure OpenAI, and FastAPI to deliver secure, production-grade conversational and knowledge retrieval systems. Experience spans multi-agent orchestration, retrieval pipelines, vector search (Azure AI Search, pgvector), and enterprise integration (SharePoint/SQL Server/Fabric via MCP). Proven in architecture, API design, MLOps-style evaluation/experimentation, and CI/CD-driven delivery with strong focus on security, privacy, governance, and compliance.

Ragini Bhardwaj

AI/ML Engineer with 11+ years of experience building scalable enterprise AI and automation solutions. Skilled in Python and GenAI/LLMs with RAG, LangGraph, Azure OpenAI, and FastAPI to deliver secure, production-grade conversational and knowledge retrieval systems. Experience spans multi-agent orchestration, retrieval pipelines, vector search (Azure AI Search, pgvector), and enterprise integration (SharePoint/SQL Server/Fabric via MCP). Proven in architecture, API design, MLOps-style evaluation/experimentation, and CI/CD-driven delivery with strong focus on security, privacy, governance, and compliance.

Available to hire

AI/ML Engineer with 11+ years of experience building scalable enterprise AI and automation solutions. Skilled in Python and GenAI/LLMs with RAG, LangGraph, Azure OpenAI, and FastAPI to deliver secure, production-grade conversational and knowledge retrieval systems.

Experience spans multi-agent orchestration, retrieval pipelines, vector search (Azure AI Search, pgvector), and enterprise integration (SharePoint/SQL Server/Fabric via MCP). Proven in architecture, API design, MLOps-style evaluation/experimentation, and CI/CD-driven delivery with strong focus on security, privacy, governance, and compliance.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Advanced
Hindi
Advanced

Work Experience

AI/ML Engineer at Bentley Systems
March 1, 2026 - Present
Built an enterprise multi-agent AI assistant to search engineering documents, project records, and internal knowledge using natural language. Implemented multi-agent workflows with LangGraph and the OpenAI Agents SDK to coordinate retrieval, task execution, and response generation across enterprise knowledge sources. Developed RAG pipelines using LangChain, Azure AI Search, and pgvector to improve relevance and accuracy of responses. Integrated Azure OpenAI Service with FastAPI to expose secure conversational AI via REST APIs for internal web applications. Designed MCP-based integrations for secure access to enterprise data stored in SharePoint, SQL Server, and Microsoft Fabric. Created and maintained FastAPI/Pydantic REST endpoints for ingestion, chat sessions, feedback, and AI orchestration. Optimized document ingestion and vector indexing for PDFs and technical documentation, improving retrieval latency by ~30% through query and search configuration tuning. Supported prompt and re
AI/ML Engineer, Enterprise Multi-Agent AI Assistant at Bentley Systems
March 1, 2026 - Present
Collaborated with product owners and stakeholders to build an enterprise AI assistant for searching engineering documents, project records, and internal knowledge. Built multi-agent workflows using LangGraph and the OpenAI Agents SDK to coordinate retrieval, task execution, and response generation. Developed RAG pipelines using LangChain, Azure AI Search, and pgvector to improve response accuracy and relevance. Integrated Azure OpenAI via FastAPI REST APIs for secure conversational AI in internal web apps. Implemented MCP integrations for secure access to enterprise data from SharePoint, SQL Server, and Microsoft Fabric. Designed and maintained document ingestion/indexing pipelines for PDFs and technical manuals, optimizing chunking, metadata filters, semantic search configuration, and prompt templates. Used MLflow to track prompt evaluations and retrieval experiments, improving average document retrieval time by ~30%. Automated build/deployment with Docker and GitHub Actions and resol
Partner Technical Specialist, Data and AI (AI Governance and ML Systems Architect) at IBM, US National Market
August 1, 2024 - February 1, 2026
Served as an IBM technologist and brand solution expert with hands-on experience across IBM’s technology portfolio. Led executive-level client engagements, technical demos, and technical sales efforts in Northeast US accounts. Led RFPs, POCs, and POXs, supporting C-suite pitch processes. Directed commercialization and global rollout of MMM insights and media effectiveness solutions, driving sales enablement and cross-functional alignment. Influenced stakeholders to remove technical blockers and accelerate deal progression, including support for regulatory programs and infrastructure implementations.
Partner Technical Specialist, Data and AI (AI Governance and ML Systems Architect) at IBM (US National Market)
August 1, 2024 - February 1, 2026
Served as IBM technologist and brand solution expert with hands-on experience across IBM technology portfolio, focusing on AI governance and ML system architecture. Led executive-level client engagements, solution demos, technical sales efforts, and RFP/POC/POX activities for major U.S. Northeast accounts. Drove commercialization and global rollout of MMM insights and media effectiveness solutions, enabling cross-functional alignment and measurable business impact. Influenced stakeholders to remove technical blockers, accelerate deal progression, and manage regulatory and infrastructure implementation programs. Collaborated with control partners for enterprise engagement and supported complex sales scenarios involving C-suite decision-making.
Cybersecurity Software Architect, Enterprise and Technology Security (E&TS), Office of the CISO at IBM
August 1, 2021 - August 1, 2024
Designed and delivered back-end systems and RESTful APIs with focus on security, compliance, and enterprise integration. Worked across back-end development, front-end architecture support, integration architecture, and QA/compliance and testing activities. Built and optimized databases, stored procedures, and secure integrations using SQL and NoSQL. Developed and operated security governance capabilities aligned with frameworks including SOX, NIST, SOC2, HIPAA, ISO, and ITSS, supporting risk and control assessments and KPI-driven performance. Implemented identity and access management practices on IBM Cloud with RBAC and policy configuration, managing security identity lifecycle. Additionally supported agent orchestration, CI/CD, Terraform-driven infrastructure, and monitoring for compliance readiness.
Cybersecurity Software Architect / Back-end Developer (E&TS, Office of the CISO) at IBM
August 1, 2021 - August 1, 2024
Developed and optimized RESTful APIs and web services with emphasis on security best practices, OOP design, and database requirements. Worked across enterprise architecture and phased rollouts, defining security and information security requirements and implementing governance-aligned solutions. Built HR-related information systems integrating security frameworks and implemented CI/CD and infrastructure-as-code workflows. Participated in IAM and access control design, and supported compliance testing and monitoring against frameworks such as SOX, NIST, SOC2, HIPAA, ISO, and PCI. Conducted risk/control assessments (including RCSAs and KRIs) and supported audit validations and governance standards. Also contributed to front-end architecture, authentication flows, accessible UI implementation aligned to IBM design system standards, and integration architecture for enterprise application connectivity.
Education and Information Delivery Assistant at University of Dayton Libraries
December 1, 2020 - May 1, 2021
Supported library operations by resolving IT and technical issues, using the cataloguing system to locate and retrieve resources, and performing inventory tasks. Assisted with check-in/check-out processing using integrated library management software.
Associate Software Developer at GIS Consortium India Pvt Ltd.
February 1, 2018 - April 1, 2018
Supported Network Management System teams with documentation, specifications, designs, test plans, proposals, development, and testing. Participated in Agile/Scrum processes and implemented server-side functions for cloud and web applications, including development contributions for VR games and web applications.
Associate Software Developer at HCL Infosystems
June 1, 2017 - September 1, 2017
Created a web application on the .NET platform for visually impaired users, enabling voice-based access to lectures, tests, test results, and study modules. Collaborated with designers and QA testers, and validated models and outcomes as part of the product development lifecycle.
Research Assistant, Advanced Operating Systems at University of Dayton, Department of Computer Science
April 1, 2016 - December 1, 2016
Assisted with method development and validation for analytical workflows across varied matrices. Supported experimental design, sample preparation, analytics execution, and data analysis for accuracy, precision, and reliability. Collaborated with a multidisciplinary team to document and report results in compliance with regulatory standards.
Research Assistant, Advanced Operating Systems at University of Dayton
April 1, 2016 - December 1, 2016
Assisted with setting up and validating analytics methods across diverse sample matrices. Contributed to experimental design and execution to optimize protocols for accuracy, precision, and reliability, and documented findings in compliance with regulatory standards.
Research Assistant (Advanced Operating Systems) at University of Dayton, Department of Computer Science
April 1, 2016 - December 1, 2016
Assisted in method development and validation of analytics across multiple sample matrices. Contributed to experimental design and execution to optimize analytical protocols for accuracy, precision, and reliability. Helped select and validate analytical techniques, sample preparation methods, and data analysis procedures, and documented/report findings in compliance with regulatory standards for reproducible deployment.
Business Analyst at Mani Dutt Constructions
January 1, 2015 - May 1, 2019
Created system models, specifications, diagrams, and charts aligned to company business goals to guide developers. Tracked and visualized effectiveness of installed methods and published verified schemes to the RTB platform. Managed SDLC for IT, worked with clients to elicit and analyze requirements, used AutoCAD/SketchUp/SQL/Tableau and related tools for delivery, and supported planning, roadmaps, risks, and change management initiatives in a capital markets/regulatory context.

Education

Master of Science – Computer Science at University of Dayton
January 11, 2030 - January 1, 2021
Bachelor of Technology – Computer Science at SRM University
January 11, 2030 - January 1, 2019
Master of Science – Computer Science at University of Dayton
January 11, 2030 - January 1, 2021
Bachelor of Technology – Computer Science at SRM University
January 11, 2030 - January 1, 2019
Master of Science – Computer Science at University of Dayton
January 1, 2019 - January 1, 2021
Bachelor of Technology – Computer Science at SRM University
January 1, 2015 - January 1, 2019

Qualifications

IBM Think Like a Hacker
January 11, 2030 - August 6, 2026
IBM Cloud Essentials
January 11, 2030 - August 6, 2026
Trustworthy AI and AI Ethics
January 11, 2030 - August 6, 2026
IBM Agile Explorer
January 11, 2030 - August 6, 2026
IBM Developer Jumpstart Explorer
January 11, 2030 - August 6, 2026
Enterprise Design Thinking Co-creator
January 11, 2030 - August 6, 2026
Enterprise Design Thinking Practitioner
January 11, 2030 - August 6, 2026
Enterprise Design Thinking – Team Essentials for AI
January 11, 2030 - August 6, 2026
Think Like a Hacker
January 11, 2030 - August 6, 2026
IBM Cloud Essentials
January 11, 2030 - August 6, 2026
Trustworthy AI and AI Ethics
January 11, 2030 - August 6, 2026
IBM Agile Explorer
January 11, 2030 - August 6, 2026
IBM Developer Jumpstart Explorer
January 11, 2030 - August 6, 2026
Enterprise Design Thinking Co-creator
January 11, 2030 - August 6, 2026
Enterprise Design Thinking Practitioner
January 11, 2030 - August 6, 2026
Enterprise Design Thinking – Team Essentials for AI
January 11, 2030 - August 6, 2026
IBM Think Like a Hacker
January 1, 2021 - August 6, 2026
IBM Cloud Essentials
January 1, 2021 - August 6, 2026
Trustworthy AI and AI Ethics
January 1, 2021 - August 6, 2026
IBM Agile Explorer
January 1, 2021 - August 6, 2026
IBM Developer Jumpstart Explorer
January 1, 2021 - August 6, 2026
IBM Developer Practitioner
January 1, 2021 - August 6, 2026
Enterprise Design Thinking Co-creator
January 1, 2021 - August 6, 2026
Enterprise Design Thinking Practitioner
January 1, 2021 - August 6, 2026
Enterprise Design Thinking – Team Essentials for AI
January 1, 2021 - August 6, 2026

Industry Experience

Software & Internet, Professional Services, Financial Services, Government, Education, Computers & Electronics, Healthcare