Sajad Hajforoosh

ObjectBox Database & C++ Console Application: Developed a multithreaded C++ console application (VS 2022) implementing a high-performance ObjectBox-based cache with optimized local integration for fast key-value storage and retrieval. ASP.NET MVC & C# Web Application: Led development of an ASP.NET MVC (C#) web app for air-handling unit selection, engineering calculations, and generation of technical PDF datasheets. Autonomous Automation, Agent Systems & AI Integration: Deployed agentic AI with LLMs, RAG pipelines, and CI/CD, ensuring safety, evaluation, and RL-based task management. Built custom Kong plugins and automated API deployment via Helm and CI/CD. Implemented Revit/BIM integrations to extract model data via Revit API and Autodesk Forge for automated reporting. Projects Highlights: Cloud Cache System (C++): Implemented a cache system using C++ and ObjectBox Database. Multithreaded design for enhanced performance. Managed Kong API Gateway for routing, OAuth2/JWT auth, and rate-limiting of Go microservices. Built and maintained Perl and Ruby (Rake/Thor) automation scripts to streamline deployments, environment setup, and CI workflows. Web Application (ASP.NET MVC, C#, Rust): Built a multithreaded Rust cache using sled and Tokio for async tasks. Implemented LRU eviction, background compaction, metrics, and admin API for monitoring and maintenance. Built Perl-based automation scripts to streamline deployments, provisioning, and Azure CLI CI integrations. Technologies Used: Languages: C++, C#, Python, Rust, SQL, JavaScript, TypeScript ML / Agent Tools: PyTorch, Hugging Face Transformers, LangChain-style orchestration, RAG pipelines, vector search (FAISS/Milvus), RL libraries, model evaluation & safety tooling Development Tools: Visual Studio 2022, Visual Studio Code, Xcode, Android Studio Databases: ObjectBox, SQL Server 2019 Web Technologies: ASP.NET MVC, React, React Native, Redux Cloud Services: Azure, Firebase

Developed a centralized hospital web application connecting 5 hospitals via cloud and web services for patient insurance verification and authentication, enabling single-server deployment. Integrated AI and agentic features for automated workflows and intelligent task management. Responsibilities: - Management and leadership of the design and programming team - Developed the hospital information system web application (HIS) - Created RESTful APIs and Windows services to connect 5 hospitals and update patient insurance status. - Create a web app to collect data from DB and generate standard XML to use for insurance co - Reviewing and analyzing hospital and medical documents - Designed, trained, and deployed ML/DL models for predictive analytics, patient data insights, and anomaly detection - Created RESTful API in Actix connecting hospitals to central HIS with AI-agent integration. - Built a Kong Gateway PoC to centralize routing and policy enforcement for HIS APIs (routing, health checks). - Implemented a Windows-compatible updater service in Rust (runs as an AI agent/service) to poll insurance web services and update patient status autonomously - Deployed agentic AI systems to automate hospital workflows and decisions. - Integrated AI agents for multi-step tasks, patient data sync, and smart monitoring. - Built a Perl middleware layer (DBI, DBD::mysql, XML::Simple/JSON::XS) to normalize and map disparate insurance provider formats into a single canonical model. -Integrated Kong Gateway for HIS microservices, managing routing, health checks, and service discovery. Technical Environment: Visual Studio, C#, MS SQL Server, WebServices, Restful API, Windows Service, Cloud server, Agile, Postman, Project Management, Microsoft reporting service, Python, Rust, PyTorch, Hugging Face Transformers, LangChain, FAISS, Milvus, Go, Kong API Gateway, CI/CD, Docker, Kubernetes, Prometheus, microservices, cloud infrastructure, RAG pipelines, RL frameworks

In KamanHagh institute, the right of activities was done non-systematically and due to the high volume of cases, they needed to have a web-based system to manage the case process and communicate with clients and lawyers. They also requested a mobile app, I did the design with Laravel and a lot of work was done on process analysis and software modelling, eventually creating a creative and professional case management software and Related processes. Responsibilities: - Analyze the requirements of the institute and design the processes. - Develop the core of the web application. - Simplifying procedures and codes to have a faster web app. - Development of Android application and its connection to the web database server. - Built Perl backend services (Mojolicious/Plack) for authentication and business-rule enforcement; implemented a 3-step SMS authentication flow integrated with Twilio. - Develop a converter to convert existing data into a web application database Achievements: - 60% increase in speed and optimization by designing this web application. - 45% increase employee productivity and prevent waste of time in using the software process. - 25% increase in clients through web applications for court cases from different cities. Technical Environment: Laravel, PHP, Git, MySQL & Excel Custom Converter, RUP, UML, Kanban, JavaScript, Ajax, Jquery, CI/CD, HTML 5

In this company, I have developed an application related to banking kiosks in such a way that new features have been added to it and more customers can use it. Another project I have done is to create and develop a web-based training system that has been done from the beginning of the design to its delivery to the customer. The third project I created and developed is a multi-vendor online store where different companies themselves add products with the brands they want and sell. I have worked with other people on these projects and various technologies and frameworks have been used. Responsibility - Design the database schema and develop a banking kiosk application - Created a web-based learning management system (LMS) - Creating an online store with the possibility of selling in wide-options categories and as a multi-vendor - Optimization of SQL queries and communication commands with relevant services - Analyze and create a SCORM player for the contents of the e-learning system - Develop ITMAX Website based on wordpress - Developed a React and Redux application with ASP.Net Web API Core 2.0 to manage hardware stock for the sales department. - Implemented new user-facing features using React.js. Technical Environment: SQL Server, SQL Reporting Service, T-SQL, ASP.Net, C#, Bootstrap, IIS, XML, Javascript, Visual Studio, Wordpress, MySQL, PHP, Apache, WebServices, Agile, TDD, Virtual Machine

Create a web-based real estate app where companies and individuals can sell or rent their property. It was possible to compare properties as well as filter properties in this application. I also created and developed a mobile application for real estate that was connected to a database server via a web service, and the information in the mobile and web applications were synchronized with each other. Responsibilities: - Designing data models - Choose the best way to create, develop and collaborate with the team in the form of Agile - Created a web service between the database server and mobile application - Importing data of customers Achievements: - The customer was satisfied with the work done because it was done on time and on budget - 45% increase in real estate files Technical Environment: PHP, MySQL, Agile, Javascript, Ajax, Jquery, CSS, HTML5, MySQL WorkBench, PHPMyAdmin

Responsibilities: - Create an application for a queue management system - Establish and develop a relationship between the assembly program and the queuing client program - Documenting banks' requests to develop a queuing management system - Develop Nedapardaz Website by asp classic Technical Environment: Windows Forms, MS SQL Server, VB, Delphi, Assembly, asp classic

• Created several modules on the dnnsoftware (DotNetNuke) platform, as well as maintaining and monitoring one Linux server and 3 Windows servers, and managing the security and uptime of servers. (ASP.Net, C#, MS SQL Server) • Developed a single-sign-on service for communication between dnnsoftware (DotNetNuke) and other web applications written in PHP language so that the user can access all services once logged in.