Senior full-stack developer | .NET | Angular | Architecture

Scalable web applications, automation systems, and business platforms.

I'm Hamid Safiullah, a senior full-stack developer and founder of Calliv. I specialize in .NET Core, Angular, system architecture, API integrations, real-time applications, automation workflows, and database-driven business systems.

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.NET Architecture and APIs
Angular Business dashboards
Enterprise ERP, CRM, 4,200+ user portal
Automation Scraping and queues
What I deliver

Clean architecture for systems where backend logic, frontend usability, and business workflows all need to work together.

I help businesses build reliable digital platforms, from admin dashboards and tracking systems to VoIP features, medical data scrapers, product workflows, and custom enterprise tools.

Scalable Web Applications

Production-ready .NET and Angular platforms with clean backend architecture, modular frontend systems, and reliable database workflows.

Integrations and Automation

Third-party APIs, Quo integration, web scraping, queue processing, background jobs, and business workflow automation.

Real-Time Communication

SignalR chat, live status updates, notifications, and VoIP-related communication features inside business systems.

Selected work

Selected systems and workflow areas.

Representative work across logistics ERP, enterprise portals, RemotifyOffice, Alto-Medical automation, CRM, and admin platforms.

All Projects

GetMovd Logistics ERP

Logistics ERP

Main logistics ERP at app.getmovd.com — fleet, dispatch, billing, and multi-location operations. Over a year of full-stack development.

.NET Core Angular SQL Server
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CareCloud Employee Portal

Enterprise Portal

Global Portal team suite serving 4,200+ employees with dedicated sections for Finance, HR, Audit, Technicians, and more.

.NET Core Angular Enterprise
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TechFlo CRM

CRM Platform

Sales pipelines, client management, reporting dashboards, and operational workflows for multi-location business operations.

CRM .NET Core Angular
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RemotifyOffice.com

Tracking Platform

Employee tracking, office workflow management, reporting, business monitoring, backend services, frontend dashboards, and database workflows.

.NET Angular Reporting
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Alto-Medical.com

Data Automation

Medical product scraping, supplier image handling, product data processing, placeholder management, and admin-side product workflow improvements.

Scraping Automation Admin
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VoIP and Real-Time Features

Communication

Call workflows, real-time chat, notifications, backend integration handling, and user-facing communication modules.

SignalR VoIP APIs
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Production mindset

Experienced in scalable, maintainable, database-driven systems with API-first workflows.

01 Map the business workflow
02 Design modular architecture
03 Automate, integrate, and improve
Available for work

Need a senior developer who can plan, build, integrate, debug, and maintain business-critical software?

I can help with .NET backends, Angular frontends, APIs, database design, admin systems, product workflows, automation tools, VoIP features, and long-term platform improvements.

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