Hrishikeshan Das
Architecting & shipping full-stack SaaS products at speed using AI-assisted development.
The Architect
Building the future of software with AI.
Self-taught full-stack developer — transitioned from a Civil Engineering background to software development through 3+ years of hands-on AI-assisted product building. Conceived, built, and launched two live monetised platforms — a multi-role job marketplace and a cross-platform expense tracking app.
Expert at designing complex systems including multi-role authentication, payment webhooks, admin pipelines, and real-time mobile-web sync using React.js, Firebase, Google Cloud Platform, and Cloud Functions.
Core Arsenal
Technologies and system architecture capabilities.
Frontend
HTML5, CSS3, & JavaScript. React.js component architecture, hooks. React Native for mobile. Responsive UI/UX.
Backend & Cloud
Firebase Firestore, Realtime Database, Auth, serverless Cloud Functions, Google Cloud Storage, GCP hosting.
Architecture
Multi-role auth systems, subscription payment webhooks, admin pipelines, cross-platform data sync.
AI Agents & Tools
Antigravity · Claude · Codex · Cursor IDE · Lovable. Favourites: Antigravity & Claude. Prompt engineering for architecture and production-grade QA.
Shipped Products
Live, monetised platforms serving real users.
PardeshNaukari.com
Europe-focused job portal connecting Indian professionals with visa-sponsored employment opportunities abroad. A fully monetised multi-role SaaS marketplace serving real users.
- 3-tier role system with dedicated dashboards for Job Seekers, Recruiters, and Admin.
- Multi-role authentication with separate signup, verification, and recruiter manual approval flows.
- Subscription payment gateway integration with automated premium role upgrade via Cloud Functions.
- Discount coupon and promo code engine for subscription plans.
- Admin content moderation portal — job postings require approval before going live.
- Full SEO architecture: canonical URLs, Open Graph, Twitter Cards, Google Search Console integration.
KharchaTrackr.online
Cross-platform daily expense tracking application with unified web and mobile experience — a single codebase powering both platforms with real-time sync.
- Single Firebase backend serving both the web portal and the React Native mobile app with shared accounts and data.
- Real-time data sync between mobile and web via Firestore — changes reflect instantly across all devices.
- Expense categorisation, daily/monthly tracking, and spending analytics dashboard.
- Secure user authentication with account-level data isolation.
- Push notifications via Firebase Cloud Messaging (FCM) for reminders and updates.
Inventory Management System
End-to-end inventory and procurement management application covering the full supply chain lifecycle — from indent to invoicing — built for manufacturing and distribution operations.
- Full procurement pipeline: Indent → Purchase Order → Inward Entry → GRN with auto-matching.
- Stock Transfer In/Out, Internal Division Transfers, and real-time Stock Summary dashboard.
- Sales Order & Sales Invoice generation with linked document tracking.
- Advanced report generation for PO, GRN, and stock movements with date, vendor, and item filters.
- Role-based access control for Admin, Store Manager, and Purchase departments.
Experience
Independent journey and methodology.
AI-Assisted Full Stack Developer
Freelance / Independent
Independently delivered 50+ client websites using AI-assisted development methodology. Built and launched two independent SaaS products serving users across Europe and India. Managed complete client lifecycle, scoping, and post-launch support.
The Future of Development
All products are built using AI-assisted development tools — Antigravity, Claude, Codex, Cursor IDE, and Lovable. This methodology involves architecting complete systems, precise technical prompting, and rigorously validating AI-generated output for production quality — delivering faster, leaner, and equally robust results.