Annas K.

Top-rated Plus Full Stack SaaS Developer with 12+ years of experience building SaaS platforms, business applications, customer portals, dashboards, subscription systems, and API-driven web applications using React, Next.js, Node.js, TypeScript, PostgreSQL, AWS, and Stripe.

I work with startups, SaaS companies, and growing businesses that need a production-ready software product, not just a website. I build everything from SaaS MVPs and internal business tools to multi-tenant platforms, CRM systems, customer portals, subscription products, and secure healthcare applications.

WHAT I BUILD

• SaaS platforms and multi-tenant web applications
• Custom business software and internal operations systems
• CRM platforms, dashboards, admin panels, and customer portals
• Subscription products, Stripe billing, and payment workflows
• API-driven applications and third-party integrations
• Secure authentication, authorization, and role-based access control
• Healthcare software and HIPAA-conscious operational platforms
• AI-powered features and OpenAI API integrations
• Startup MVPs from architecture through production
• Existing application improvements, integrations, and scaling

RECENT PROJECT EXPERIENCE

Healthcare Operations SaaS Platform:

Developed a HIPAA-conscious healthcare operations platform that centralized onboarding, compliance workflows, incident reporting, document generation, e-signatures, audit trails, reporting, and multi-facility operations into one secure application. Built role-based access controls, dashboards, workflow automation, and secure data management to replace fragmented manual processes with scalable digital operations.

AI Healthcare SaaS Platform:

Led the end-to-end development of an AI-enabled healthcare SaaS platform for clinical documentation and medical coding. Built the application architecture, authentication, subscription management, database layer, API integrations, AI workflows, and cloud deployment for a production-oriented healthcare product.

Stripe Subscription & Billing Platform:

Designed and implemented subscription infrastructure with Stripe Checkout, recurring billing, webhook processing, renewals, cancellations, failed-payment workflows, and customer subscription management. Built the billing architecture to support reliable recurring revenue and future product growth.