I built a lead generation platform with a Go backend serving 61 API endpoints and a Next.js frontend with full dashboard analytics. After years of working with Node.js backends, switching to Go for the server side felt like trading a Swiss Army knife for a scalpel — fewer features, but incredibly precise at what it does. The combination of Go's raw performance with TypeScript's developer experience on the frontend is, in my experience, the most productive full-stack pairing available today.
Go shines where it matters most on the backend: concurrent operations. The lead generation platform needed to scrape data from multiple sources simultaneously, process campaign sends in parallel, and handle webhook callbacks — all without breaking a sweat. Goroutines made this trivial. The compiled binary deployed as a single Docker container with zero runtime dependencies. No node_modules, no package resolution, no cold start delays. It just runs.
TypeScript on the frontend is non-negotiable for me at this point. The type safety catches entire categories of bugs before they reach the browser. With shared type definitions between the Go API responses and the TypeScript frontend, I caught schema mismatches at compile time instead of discovering them in production. React Hook Form with Zod validation on the frontend mirroring Go's struct validation on the backend meant the entire data pipeline was type-safe end to end.
If your team is considering this stack, here's the practical advice: use OpenAPI or a shared schema definition to generate types on both sides. Keep Go services focused on data processing, business logic, and performance-critical paths. Let TypeScript and Next.js handle the rich interactivity, complex form states, and real-time UI updates. Each language plays to its strength, and you avoid fighting either one.