Custom Web Applications
Scalable .NET Core and Angular applications with authentication, business logic, admin panels, forms, filters, and reporting screens.
Services
Senior full-stack development services for business platforms, automation systems, APIs, and integrations.
Through Calliv, I provide software development and technical services for businesses, startups, and agencies that need practical, scalable, maintainable systems.
Enterprise Admin Dashboards
Operational dashboards for products, users, reports, workflows, filters, data management, and role-based access control.
API Development and Integrations
REST APIs, third-party API integrations, webhooks, data mapping, request handling, and external business tool connections.
Business Automation Systems
Background jobs, scheduled processing, queue workflows, scraping tools, file/image automation, and product data processing.
Database Design and Optimization
SQL Server, PostgreSQL, and MySQL schema design, optimized queries, stored procedures, reporting, cleanup, and validation logic.
Real-Time and Communication Features
SignalR chat, live updates, notification modules, VoIP call workflows, and user-facing communication features.
Product and Inventory Systems
Product workflows, stock filters, image queues, manual overrides, inventory tracking, dispatch scheduling, and billing automation.
Performance and Debugging
Bug fixing, code refactoring, production troubleshooting, performance optimization, and maintainability improvements.
Deployment and Maintenance
IIS, Plesk, cPanel, VPS deployment, release support, long-term maintenance, and lifecycle improvements.