Selected Works
Zoho Developer Portfolio | Projects by Zoho Developer Sumer
Selected Projects & Development Work.
Explore web applications, SaaS platforms, APIs, business portals, and automation systems built by Sumer Kumar for businesses and teams worldwide. Projects span Next.js, React, Node.js, PostgreSQL, APIs, and the Zoho ecosystem.
Delivery Process
Frequently Asked Questions
Clear, transparent answers about engineering architecture, code delivery & support.
I build robust web applications, enterprise B2B portals, custom CRM dashboards, and scalable API platforms tailored to specific industry needs.
Absolutely. I design and engineer secure, data-rich B2B dashboards with granular role-based access control (RBAC), live metric visualization, and automated reporting pipelines.
Yes, I build customized e-commerce solutions, time-slot delivery portals, and automated order management pipelines using Next.js, Stripe, and Zoho Commerce.
I implement sub-second WebSocket streams alongside Redis cache layers and PostgreSQL ACID transactions to ensure thousands of concurrent operations run without race conditions.
Yes, I sign standard NDAs, provide full IP/source-code handover, and work with clients across New York, London, Dubai, and worldwide.
I offer structured retainer arrangements for ongoing feature development, SLA uptime monitoring, database maintenance, and security patch updates.
Yes, I conduct comprehensive code audits for React, Next.js, and Node.js applications to resolve technical debt, performance bottlenecks, and architectural bugs.
Every application is built with server-side rendering, zero-layout-shift image optimization, minimal JavaScript bundles, and edge caching for sub-second load times.
Projects are structured around transparent milestone-based deliverables with flexible international wire, Stripe, or escrow payment options.