Web Applications
Your product. Our craft.
We build complete web products. Frontend interfaces that delight. Backend systems that scale. Databases that perform. From SaaS dashboards to e-commerce platforms: one builder, full ownership, zero handoffs.
Capabilities
End-to-end expertise across the whole stack.
- Frontend ExcellenceInterfaces that inspire
Interfaces built the way DailyFaceoff's was rebuilt before its $23M exit: fast, accessible, and still holding under game-night traffic.
- Backend & APIsInfrastructure that scales
RESTful and GraphQL APIs built for performance. Real-time systems, webhooks, and microservices that handle millions of requests without breaking a sweat.
- Data & StorageFoundations that perform
Relational and NoSQL databases designed for your data model. Optimized queries, smart caching, and migration strategies that keep your data fast and safe.
- PWA & Offline-FirstApps that work everywhere
Progressive Web Apps that install like native, work offline, and sync when connected. Push notifications, background sync, and app-like experiences on the web.
- E-commerceCommerce that converts
Full-featured shopping experiences with Stripe-powered checkout, inventory management, and analytics. From storefronts to marketplaces, we build commerce that sells.
- IntegrationsSystems that connect
Third-party API integrations, webhooks, and data pipelines. We connect your application to the tools and services your business depends on.
What we build
From startup MVPs to enterprise platforms, we have built it all. Every project gets the same attention to detail, the same commitment to quality.
- SaaS Platforms
Multi-tenant applications with subscription billing, team management, and analytics dashboards.
- Customer Portals
Self-service interfaces where users manage accounts, view data, and interact with your business.
- Internal Tools
Admin dashboards, CRM systems, and operational tools that streamline your team’s workflow.
- Marketplaces
Two-sided platforms connecting buyers and sellers with payments, reviews, and discovery.
- Content Platforms
CMS-powered sites, blogs, and media platforms with rich editing and publishing workflows.
- Data Applications
Visualization dashboards, reporting tools, and analytics platforms that make data actionable.
Why Fortissimo
- Fourteen years shipping
From SaaS dashboards to e-commerce platforms.
- The Lineups.com architecture
SEO-first, server-rendered, still in production.
- Zero handoffs
One builder, full ownership, start to finish.
The stack
React · Next.js · TypeScript · Node.js · Express · PostgreSQL · MongoDB · Redis · GraphQL · Tailwind CSS · Prisma · Stripe · Auth0 · Vercel · AWS
Ready to build something exceptional?
Bring the traffic numbers that scare you.