Sujantivo
Bespoke Engineering

Bespoke Web App
Development.

We design and engineer bespoke Next.js web applications with meticulous craftsmanship, strict TypeScript typing, and sub-100ms response times that convert and scale.

Benchmark StandardsNext.js 15+
Core Web Vitals:99+ Performance & sub-100ms TTFB
Language / Typing:Strict TypeScript (Zero Any)
Hosting & Edge:Vercel Edge / AWS CloudFront + ECS
Testing:Playwright E2E & Vitest Component
SPRINT LIFECYCLE

How we build production web applications.

01

Architectural & Schema Design

TypeScript types, immutable database schemas, and clean API contract definitions before drafting code.

02

Component Design System

Figma-to-code design tokens, accessible ARIA primitives, and reusable UI building blocks.

03

Server-Action & State Integration

Type-safe server actions, optimistic UI updates, and instant WebSocket synchronization.

04

Automated Staging & Canary Deploy

CI/CD preview deployments on every PR with automated Playwright end-to-end regression tests.

ENGINEERING DELIVERABLES

Built to outlast trends and handle millions of users.

Next.js 15Next.js 15, React 19, TypeScript, Turbopack

Next.js 15+ App Router & React Server Components

Lightning-fast server-rendered architecture with dynamic streaming, edge runtime execution, and zero client-side hydration waterfalls.

Web PerformancePartytown, sharp, Edge Caching, Brotli

Sub-100ms Core Web Vitals & Real-Time Performance

Engineered to achieve 99+ Google Lighthouse scores across Performance, Accessibility, and SEO with atomic font and image optimization.

Interaction CraftTanStack Virtual, Framer Motion, TailwindCSS

High-Density Data Tables & Micro-Interactions

Virtual scrolling for 100,000+ rows, instant column filtering, multi-touch gestures, and Framer Motion micro-animations that feel native.

SecurityAuth.js / NextAuth, WorkOS, Clerk, Supabase Auth

Secure Enterprise Auth & Role-Based RBAC

Single Sign-On (SSO) with SAML, OAuth2, multi-factor authentication, session management, and granular permission systems.

Ready to build a world-class web application?

Direct collaboration with senior staff frontend and full-stack engineers.