Engineering · Web Platforms
Ship a fast, reliable web app your users actually return to.
Production-grade web platforms built on Next.js and TypeScript — typed end to end, instrumented, and tuned for Core Web Vitals.
Timeline
6–14 weeks
Engagement
Senior squad · Fixed scope
Overview
What this service is
We build the kind of web platforms a CTO is happy to inherit: typed end-to-end, observable, performant, and aligned with the way modern teams actually ship.
What's included
Production Next.js app
App Router, RSC, Edge runtime where it matters.
Auth, RBAC, billing
Battle-tested patterns for SaaS-grade access control.
Design system
Tailwind + Radix + shadcn primitives, fully tokenized.
CI/CD + preview envs
Per-PR previews, automated tests, zero-touch deploys.
Observability stack
Logs, traces, error tracking, web vitals.
How it runs
Four phases. Production from day one.
Architect
Map domain, data model, auth, and edge boundaries.
Build
Two-week sprints, demos every Friday, production from day one.
Harden
Load testing, accessibility, security, observability.
Hand off
Docs, runbooks, on-call rotation if you want it.
Proof
A recent engagement
What this service looks like in production.
Enterprise Logistics Platform
Rebuilt a 12-year-old logistics platform without losing a single shipment
Strangler-fig migration to Next.js + Postgres. Zero downtime. 4x faster.
0
Customer-facing incidents during migration
4.2x
Faster page loads
0
Customer-facing incidents during migration
4.2x
Faster page loads
63%
Reduction in p95 latency
11 mo
Total migration timeline
"Primeline did the impossible. They rebuilt our most critical system without us losing a single shipment, and our team is faster than they've been in a decade."Read the full case study
Ready to ship web platforms?
Tell us a bit about the project. We'll come back with scope, timeline, and a fixed price within one business day.