Muhammad Nadeem

Founder & CTO | Principal Software Architect

Self Employed • Indépendant

Dec 2025 - Present • 9 mos

Designed and built a cloud-first, multi-tenant real-time SaaS platform, which is called HTechSol, connecting cloud applications with existing on-premise ERP systems through a local agent architecture. Led the complete product lifecycle from architecture and technology decisions through implementation, cloud deployment, mobile integration, and real-time testing. Technical Achievements: • Architected and implemented the platform using Clean Architecture, DDD, CQRS, event-driven communication, and multi-tenancy. • Built the cloud API and real-time gateway supporting Web, Mobile, and Local Agent clients. • Designed the Local Agent architecture to bridge cloud services with existing on-premise ERP/database environments. • Developed the frontend architecture using React Native/Expo, Next.js, TypeScript, and a shared frontend SDK. • Implemented real-time communication between cloud, mobile applications, and on-premise systems using SignalR. • Designed multi-tenant IAM and capability-based authorization, including roles, packages, and feature-level capabilities. • Deployed the platform to Azure Cloud and completed end-to-end validation with mobile-to-cloud-to-ERP order synchronization.

Principal Software Engineer

iSmile Dental • Temps plein

Dec 2017 - Jan 2026 • 8 yrs 1 mo

Led architecture and hands-on engineering for global healthcare platforms, with a strong focus on real-time systems, cloud-ready architecture, and distributed services. Maintained ~80% hands-on development across .NET, Node.js, and SQL Server, driving modernization, scalability, and high-performance solutions serving 500+ clinics. Technical Achievements: • Architected & Engineered Core Platform Infrastructure: Designed and personally built the high-performance API Gateway (ASP.NET Core) and real-time WebSocket Gateway (Node.js) that form the central nervous system for 500+ dental clinics, enabling secure, low-latency data synchronization and interoperability. • Directed Large-Scale Legacy Modernization: Led the architectural modernization of a large Dental ERP/CRM product, implementing patient portals, online bookings, e-payments, and third-party healthcare integrations — significantly improving usability, speed, and operational efficiency. • Designed & Implemented Complex Financial Systems: Architected the end-to-end payment processing system integrating Fiserv Clover devices, Cloud Pay APIs, and tokenized payment flows within the ERP. Designed the ledger-posting and reconciliation services, ensuring PCI-DSS compliance and financial data integrity. • Integrated Advanced AI/ML Capabilities: Researched, selected, and integrated on-premises LLM (Large Language Model) solutions to power NLP features for automated clinical documentation and patient insight generation, enhancing data quality and clinician decision support

Senior Software Engineer & Team Lead

Innovative • Temps plein

Dec 2014 - Dec 2017 • 3 yrs

Led the architecture and full-stack development of large-scale, high-concurrency educational platforms serving tens of thousands of users. Key Achievements: • Architected Scalable Learning Systems: Designed and delivered a comprehensive e-University platform managing curriculum, faculty, and resources for 20,000+ concurrent users, leveraging a service-oriented architecture (SOA) built on .NET, SQL Server and Node.js. • Built Real-Time Streaming Platforms: Engineered a Quran LMS from the ground up, implementing low-latency WebSocket services for interactive recitation and memorization, supporting 10,000+ concurrent students and teachers. • Led End-to-End Product Delivery: Directed the development of a digital assessment suite, overseeing the lifecycle from item creation and exam delivery to automated scoring and analytics.