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🎯 The Startup Challenge

SRMB RealBuild, a construction materials startup, needed to disrupt the traditional procurement model with a complete B2B e-commerce platform. They required end-to-end automation covering inventory management, supplier onboarding, dynamic pricing, payment processing, logistics coordination, and customer experience—all while maintaining the relationships and trust critical to the construction industry.

- ⚡ How Our Forward-Deployed Engineers Helped
Embedded Partnership:
Our FDEs worked on-site with RealBuild's founding team for 6 months, attending board meetings, making critical architecture decisions, and establishing product-market fit through rapid iteration.
Technical Co-Founder Role:
Acted as fractional CTO for the entire platform build, designing scalable e-commerce architecture, making technology stack decisions, and building the engineering culture for the growing team.
Industry-Specific Expertise:
Combined deep construction industry knowledge with modern e-commerce best practices, creating a platform that understood both B2B complexities and user experience expectations.
- 🛠️ What We Built
Complete B2B E-Commerce Platform:
React/Next.js frontend with Node.js backend, supporting complex B2B workflows: bulk ordering, custom pricing tiers, quote management, and approval workflows.
Intelligent Inventory Management:
Real-time inventory tracking across multiple warehouses, automated reorder points, demand forecasting using historical data, and supplier integration for seamless restocking.
Supplier Portal & Marketplace:
Self-service supplier onboarding, product catalog management, performance analytics dashboard, and automated commission calculations.
Integrated Payment & Logistics:
Multi-gateway payment processing, credit management, logistics partner integration, real-time tracking, and automated delivery confirmations.
- 💻 Technology Stack
Frontend:
React 18 with Next.js, TypeScript, Material-UI for responsive design, Progressive Web App capabilities for mobile users
Backend:
Node.js with Express, GraphQL API, MongoDB for product catalog, PostgreSQL for transactions, Redis for caching
Infrastructure:
AWS ECS containers, CloudFront CDN, S3 for assets, RDS for databases, ElastiCache, comprehensive monitoring with CloudWatch
Integrations:
Stripe & Razorpay for payments, Shiprocket for logistics, WhatsApp Business API for communication, analytics with Mixpanel
- 📈 Measurable Business Outcomes
$10M+ GMV in First Year:
Exceeded initial projections by 150% with consistent month-over-month growth, attracting both enterprise customers and individual contractors.
50% Operational Cost Reduction:
Automated workflows eliminated manual processes, reduced order processing time from days to hours, and minimized inventory carrying costs.
5000+ Active Suppliers Onboarded:
Self-service platform enabled rapid supplier network expansion without proportional increase in operations team size.
Series A-Ready Platform:
Scalable architecture and proven metrics positioned RealBuild for successful Series A funding within 18 months of platform launch.
- 💬 Testimonial
"Rupantar's Forward-Deployed Engineers became our technical co-founders when we needed them most. They didn't just build our platform—they helped us understand our market, optimize our business model, and create a technology foundation that scales. The $10M+ GMV we achieved in our first year was directly because of their product thinking and execution excellence. They positioned us perfectly for our Series A round."

Partnership Impact:

  • Duration: 6-month intensive Forward-Deployed Engineer partnership
  • Team Integration: On-site collaboration, board meeting participation, critical architecture decisions
  • Delivery Model: Fractional CTO approach with complete platform ownership and strategic guidance
  • Post-Launch: Continued advisory role through Series A preparation and successful funding
B2B E-commerce Platform

Contact Us

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+91 9686269013

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Horamavu Agara Main Road, Horamavu,
Bangalore-560043 Karnataka, India

Phone:
+91 9686269013
+91 6291833389

E-mail:
admin@rupantar.tech
itmvikastiwari@gmail.com