Product Engineering — Kathmandu, Nepal
SaaS Developer in Kathmandu, Nepal
I am Sarthak Sharma — a full-stack SaaS engineer in Kathmandu, Nepal. I build production-ready, multi-tenant software platforms featuring Next.js 15+, React 19, Node.js, PostgreSQL, and real-time WebSockets.
SaaS Architectural Principles
Engineered for high data isolation, sub-second query performance, and rapid feature iteration.
Multi-Tenant Architecture & RBAC
Isolating customer data with tenant-scoped PostgreSQL schemas, fine-grained permission matrixes, and role-based portal access (Super Admin, Manager, Team Member, Client).
Real-Time Collaboration & WebSockets
Building live activity streams, real-time ticket updates, and push notifications to eliminate polling overhead and keep distributed teams in sync.
Scalable API & Microservices Tier
Decoupled Node.js and Next.js backend services optimized with Redis caching, rate limiting, and asynchronous job processing for uninterrupted high concurrency.
AI & Context Routing Integrations
Embedding generative AI workflows into SaaS products with heuristic context routers querying multi-LLM endpoints (Gemini, DeepSeek, OpenAI) seamlessly.
Featured SaaS Case Studies
Tracky — Multi-Tenant Issue Tracker
Engineered an enterprise issue tracking SaaS with 8 role portals, live WebSockets, and secure JWT rotating sessions.
GlobalVin — Vehicle Data Engine
High-throughput API SaaS delivering global VIN decoding, ownership records, and vehicle specifications across 150+ countries.
Lumen — AI Marketing Engine
Context-aware AI SaaS routing user prompts to specialized LLMs with live generative UI rendering.
SaaS Development FAQ
What makes Sarthak Sharma an experienced SaaS developer in Nepal?
Sarthak has engineered multi-tenant SaaS products from the ground up, including Tracky (8-role issue management platform with live WebSockets), GlobalVin (vehicle decoding SaaS across 150+ countries), and Lumen (AI marketing generation router).
How does Sarthak handle SaaS multi-tenancy and data isolation?
Through clean database architecture using tenant-scoped schemas/keys in PostgreSQL, row-level security (RLS) policies, isolated RBAC permissions, and encrypted JWT session cookies.
Can Sarthak build SaaS billing and automated reporting dashboards?
Yes. Sarthak integrates payment gateways, automated subscription lifecycle management, usage-based metrics tracking, and real-time analytical dashboards.