VarunKesarwani

VarunKesarwani is an MCP server published by VarunKesarwani in the RAG category: run Gupta Senior Technical Lead · Enterprise Solution Architect C# / .NET · Distributed Systems · Azure · Edge & Cloud Platforms · AI Systems 📍 Chennai, India · 🌍 Open to relocation LinkedIn · GitHub · Email I build enterprise software that connects cloud services, on-premises systems, and hardware. Over 15+ years in banking and gaming, I have combined hands-on architecture and development with production troubleshooting, customer deployments, and technical leadership. My recent work includes Roslyn-based code intelligence, Model Context Protocol (MCP) services, AI agents, and retrieval-augmented generation (RAG). I’m extending this experience through an independent AI investment analytics platform. Career highlights • 400+ casino deployments: Led the India engineering team for the Power Kiosk Management System, with hands-on architecture and development contributions. • 200+ casino environments: Helped design a shared hardware abstraction platform with standardized gRPC APIs for 11 hardware categories. • Approximately 98% fewer associated field issues: Independently architected and developed a business-critical Printer Service. • Approximately 80% fewer support tickets: Built a reconciliation tool connecting to 350+ databases and eliminated all reported player-point mismatch issues. • Teams of up to 10 engineers: Hiring, mentoring, architecture reviews, cross-functional collaboration, and India–US delivery coordination. Technical skills |Area |Technologies and capabilities | |------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------| |Languages & applications|C#, .NET, ASP.NET Core/MVC, C++, Python, Angular, Electron, WPF, JavaScript/jQuery | |APIs & messaging |REST, gRPC, WCF, Kafka, RabbitMQ, MQTT, SignalR | |Cloud & identity |Microsoft Azure Web Apps, Microsoft Entra ID, AWS IoT, Okta, OAuth 2.0, IAM | |Data & search |SQL Server, Oracle, DB2, PostgreSQL/TimescaleDB, MongoDB, SQLite, Elasticsearch, Qdrant | |AI & developer tooling |MCP, AI agents, RAG, semantic retrieval, Roslyn, Rasa, Microsoft LUIS, Ollama, hosted LLMs, GitHub Copilot | |Engineering & operations|Distributed systems, multi-tenant SaaS, edge/cloud integration, observability, incident response, WinDbg, SQL optimization, Docker, IIS, Azure DevOps| Current engineering focus Enterprise AI Investment & Analytics Platform — An independent research platform integrating prices, financials, news, annual-report RAG, and portfolio data through five MCP servers, an ASP.NET Core orchestration layer, and an Angular interface. LangChain orchestration is in progress; historical backtesting is planned. RepositoryIntelligence — A Roslyn indexer and C# MCP server for conversational code exploration. I independently built the indexer and server, and collaborated on the AI agent and documentation-RAG integration. Neo4j support is planned. Professional experience Senior Technical Lead IGT India Pvt. Ltd. | Chennai, India | 2021-Present <details> <summary>Explore projects, contributions, and technologies</summary> Engineering Leadership & Team Building • Lead distributed engineering teams of up to 10 engineers across India and the US, with hands-on ownership of architecture, design reviews, code quality, sprint planning, QA sign-offs and release readiness. • Hired and built an eight-developer engineering organization in India during Everi’s Atrient acquisition, achieving 100% core retention over more than five years. • Worked across loyalty, kiosk, payment and shared hardware platforms, partnering with QA, Technical Services, customers and US engineering stakeholders. Service Operating Panel (SOP) - Kiosk Operations Platform • Played a pivotal role in implementing loyalty kiosk capabilities within SOP, bringing prior loyalty-platform experience into a shared application used across Self-Service Kiosks, Cage Dispensers, ATMs, E-Cash Terminals, Loyalty Kiosks and payment systems. • Contributed to architectural changes for SOP 6 to support next-generation Full Service Kiosks for the Australian club market. Helped evolve SOP from a kiosk-specific application for software and hardware installation and kiosk configuration into a complete kiosk operational interface within a distributed system, supporting configuration exchange with a cloud-based central application. • Implemented MQTT-based communication through AWS IoT to send transaction-related information from SOP to the cloud within security-mandated communication constraints, with transaction data also maintained in the kiosk’s local database. • Integrated Kafka-based delivery of critical configuration updates from the central system to SOP, including exchange rates, to support reliable propagation of operationally important data. • Implemented gRPC integration between SOP and Universal Hardware Controller (UHC), enabling SOP to retrieve hardware data and issue hardware troubleshooting commands. • Collaborated with the project management team to establish processes for supporting multiple products within the shared SOP application. Tech: C#, .NET, Angular, Electron, gRPC, MQTT, AWS IoT, Kafka, Edge/Cloud Architecture Universal Hardware Controller - Shared Hardware Abstraction Platform • Played a pivotal role in designing a shared hardware abstraction platform exposing standardized .NET gRPC APIs for 11 hardware categories across multiple vendors, deployed in 200+ casino environments. • Designed a module loader that selects and loads hardware modules based on kiosk type; implemented the Strategy Pattern within modules to select vendor-specific hardware from kiosk configuration. • Initiated gRPC adoption in the project and created a Postman collection for automated API testing, subsequently adopted by QA. • Used C++ for selected firmware integrations, including the Pointman card printer and INEX extension board, bridging device protocols into the .NET layer. Tech: C#, C++, .NET, gRPC, Strategy Pattern, Hardware SDKs, Postman RepositoryIntelligence - AI-Powered Code Intelligence • Independently developed a Roslyn-based repository indexer that extracts code flows, classes, methods and relationships, persisting structured intelligence in SQLite; Neo4j is planned for graph relationships. • Developed a C# MCP server using Streamable HTTP and hosted it on IIS to expose repository-index queries to AI clients. • Collaborated with another technical lead to implement an AI agent that retrieves project context through documentation RAG and then searches the repository index to trace code flows and suggest possible fixes; the other lead developed the documentation RAG system. • Integrated MCP-based repository intelligence with VS Code/GitHub Copilot to support conversational code exploration and impact analysis while reducing unnecessary LLM context and token consumption. Tech: C#, Roslyn, MCP, Streamable HTTP, IIS, SQLite, Python, RAG, VS Code, GitHub Copilot Player Aggregation & Account System - Multi-Tenant SaaS • Contributed to a multi-tenant SaaS platform enabling land-based casino player earnings and account information to be used by the casino’s mobile and online gaming applications. • Independently designed and developed the on-premises casino agent from scratch to extract player and earnings data from SQL Server, Oracle and DB2 and securely transmit it to the cloud. Implemented scheduled extraction, missed-record recovery and handling of data arriving during active extraction to support reliable synchronization between on-premises casino systems and cloud services. • Played a major role in mapping player-tracking data from Light & Wonder systems into a unified canonical cloud model, supporting customer-specific schemas and consistent downstream processing. • Implemented tenant-aware authentication using Okta and centralized agent observability in Elasticsearch to identify missing telemetry and potential failures. Tech: ASP.NET Core, C#, Okta, Azure Web Apps, Elasticsearch, Kafka, SQL Server, Oracle, DB2 Power Kiosk Management System - Casino Loyalty Platform • Led the India engineering team responsible for the PKMS application, deployed across 400+ casinos in the US and Canada, and personally contributed to architecture and development. • Designed or implemented major modules and integrations including Prize Package, hardware alerts, TITO workflows and Veridoc integration. • Solely architected and developed the business-critical Printer Service for promotional receipts and monetary-value TITO tickets, improving performance, reliability and security and reducing associated field issues by approximately 98%. • Improved SQL Server performance and data maintenance through purge/archive processes, indexing and database views. • Developed a YARP-based reverse proxy to enable legacy Flash applications running on older kiosks to communicate with external servers over HTTPS. Used mitmproxy to test communication security against man-in-the-middle interception. • Participated in hiring to rebuild the India engineering team from scratch following the departure of existing employees after Everi’s acquisition of Atrient. Provided domain and technical training to onboard new team members and bring them up to speed. Tech: C#, ASP.NET, jQuery, SQL Server, TITO, YARP, HTTPS, mitmproxy, Azure DevOps, Distributed Applications </details> Senior Software Engineer 2 Bally Technologies / Light & Wonder | Chennai, India | 2014-2021 <details> <summary>Explore projects, contributions, and technologies</summary> PowerVenue - Australia Deployment and Unified Wallet • Travelled to Australia for UAT, production rollout and go-live across 40+ club locations, including environment setup, casino-floor troubleshooting, customer coordination and staff training. • Worked closely with central operations and club teams to stabilize deployments; on returning to India, transferred knowledge and helped establish the India Technical Services support team. • Worked as a senior developer with architects to initiate implementation of the Unified Wallet module, enabling digital deposits and cashless capabilities, and conducted code walkthroughs to share implementation practices with other developers. • Worked on migrating PowerVenue applications from Windows authentication to cloud-based authentication using Azure Active Directory (now Microsoft Entra ID), with OAuth 2.0-based authorization. Tech: C#, .NET, SQL Server, Casino Management Systems, UAT, Production Deployment, Microsoft Entra ID, OAuth 2.0 CMP Player-Point Reconciliation Tool and Hub Reliability • Independently designed and developed a standalone Windows application in approximately two weeks to connect to 350+ casino/club databases, retrieve player points and reconcile discrepancies in CMP during a critical production issue. • Eliminated 100% of reported player-point mismatch issues and reduced overall support tickets by approximately 80%; player-point discrepancies accounted for approximately 80% of the original ticket volume. • The customer continued using the tool for roughly two years until a replacement product release was available. • Also fixed player-point synchronization issues in CMP and improved failure-handling mechanisms in the in-house Hub messaging system. Tech: C#, Windows Desktop, SQL Server, CMP, Hub Messaging, Production Troubleshooting CentCom + CMP - Canada / Ontario Deployment • Travelled to Ontario customer sites for UAT, pre-production validation, customer sign-off and deployment of CentCom and CMP. • Resolved priority issues, gathered change requests and coordinated offshore engineering fixes; executed go-live, contingency and rollback plans. • Helped establish the India Technical Services and Production Support team for ongoing incident resolution and maintenance. Casino Market Place (CMP), CAGE, Table View and CentCom • Engineered and maintained enterprise casino management systems for player tracking and loyalty, cash management, table games and Canadian enterprise operations across Australia, Canada, Macau and the US. • Delivered application features, WCF/API integrations, third-party gaming integrations and SQL Server schema changes. • Provided L2/L3 production support against strict response SLAs (two hours for P1, six hours for P2), using WinDbg, memory dumps, SQL query/index tuning and thread-deadlock investigation. Tech: C#, .NET Core, WCF, SQL Server, Angular, Elasticsearch, Python, WPF, ASP.NET MVC Rasa / LUIS / Elasticsearch Chatbot (2019) • Worked with an architect to develop a chatbot using Rasa for model development, Microsoft LUIS for natural language understanding and Elasticsearch for information retrieval. • Developed Elasticsearch indexes and an ASP.NET Core search API for chatbot queries; collaborated on LUIS integration and API design. Tech: Rasa, Microsoft LUIS, NLP, Elasticsearch, ASP.NET Core, C# </details> Programmer Analyst Cognizant Technology Solutions | Chennai, India | 2010-2014 <details> <summary>Explore projects, contributions, and technologies</summary> BB&T - Next Gen Client Central • Joined the project from inception and contributed to requirements gathering, UI wireframes, customer presentations and implementation with the architect. • Implemented the first application page using Onion Architecture and CQRS with Ninject dependency injection. • Designed and developed a reusable jQuery-based role-based access control (RBAC) library that became a standard across BB&T products. • Optimized complex SQL stored procedures for a data-copy process, reducing execution time from approximately 20 minutes to less than 30 seconds. • Received two Kudo Awards for delivery and technical contributions. Tech: C#, ASP.NET MVC, jQuery, CQRS, Onion Architecture, Ninject, SQL Server BB&T Associate Onboarding • As a fresher on the team, independently designed and developed a three-tier ASP.NET application to onboard associates to BB&T accounts, track onboarding requests and required training, and generate accounting reports. Tech: C#, ASP.NET, SQL Server, Three-Tier Architecture BB&T - SSRS Reporting and Enterprise Banking • Independently designed and delivered 126 SSRS reports in approximately four weeks, collaborating with a lead developer who created the underlying stored procedures. • Worked on SQL/SSRS reporting, operational workflows and banking application delivery; was selected for an iOS wallet initiative in 2011 that was subsequently put on hold. Tech: SSRS, SQL Server, SSIS, C#, ASP.NET, WCF, WPF, MVC </details> Independent engineering projects Enterprise AI Investment & Analytics Platform • Architected an AI-powered investment research and analytics platform combining market prices, technical indicators, company financials, financial news, annual-report RAG and brokerage/portfolio data through five specialized MCP servers. • Developed an ASP.NET Core AI agent orchestration layer and C# MCP Client Manager providing a unified tool registry and controlled access to PostgreSQL market data, MongoDB financials, Elasticsearch news, Qdrant annual-report RAG and remote Zerodha Kite MCP. • Built and integrated Python/C# services and an Angular conversational interface using REST/SignalR; used Ollama locally and evaluated hosted LLMs for tool-calling reliability. • Designed polyglot storage and ingestion with PostgreSQL/TimescaleDB, MongoDB, Elasticsearch, Qdrant, Kafka and RabbitMQ to separate data acquisition from agent tool access. • Currently implementing LangChain orchestration across five MCP servers to support two analytical workflows: technical analysis and news sentiment for trading, and fundamental analysis, annual-report retrieval and portfolio analysis for longer-term investment evaluation. • Exploring linear regression for trading-signal generation, with historical backtesting planned to evaluate strategy performance. Tech: C#, ASP.NET Core, Python, MCP, AI Agents, LangChain (in progress), Ollama, Angular, SignalR, PostgreSQL/TimescaleDB, MongoDB, Elasticsearch, Qdrant, RAG, Kafka, RabbitMQ, Kite API, Docker Health Monitoring Data Pipeline • Built an AWS IoT telemetry pipeline using MQTT and boto3, streaming readings through Kinesis Firehose into Lambda for validation and anomaly routing. • Configured SNS email alerts for abnormal readings and SQS for normal events; deployed a Dockerized Python consumer to format and persist SQS data to S3. • Configured IAM roles and policies for least-privilege access across AWS services. Tech: Python, AWS IoT, MQTT, boto3, Kinesis Firehose, Lambda, SNS, SQS, S3, Docker, IAM Education & certification |Qualification |Institution |Year| |--------------------------------------------------------------|------------------------------------|----| |Bachelor of Engineering — Electrical & Electronics Engineering|Anna University, Chennai |2010| |Advanced Software Engineering for IoT, Blockchain and Cloud |IIT Madras / Great Learning, Chennai|2022| |Data Science with Gen AI |Career247, Chennai |2026| Certification: Microsoft Azure Developer Associate (AZ-204) Let’s connect I’m interested in hands-on engineering opportunities involving C#/.NET, distributed systems, cloud and edge platforms, and AI-enabled developer tools. Connect on LinkedIn · Email me.

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