CORVX

Vietnam (Southeast Asia Hub):
Vincom Landmark 81 (72/F), 720A Điện Biên Phủ, Phường 22, Bình Thạnh, Ho Chi Minh City.

United States (North America Hub):
17875 Von Karman Avenue, Suites 150 & 250, Irvine, CA 92614.

Web Apps That Users Love. And Businesses Depend On.

From blazing-fast customer portals to complex enterprise SaaS platforms, we build modern web applications that scale infinitely, load instantly, and turn visitors into loyal users. Powered by cutting-edge frameworks, cloud-native architecture, and conversion-obsessed design.

< 2s
Page Load Time
70%
Lower Acquisition Cost (PWA)
90+
Lighthouse Score
10,000+
Concurrent Users Supported

Why Most Web Apps Feel Like They're From 2015

Slow page loads, clunky UX, and brittle architectures that break under traffic spikes. In 2026, users expect instant, app-like experiences—even on the web. We build Progressive Web Apps (PWAs) and modern SPAs that rival native apps in speed, polish, and engagement, without the app store gatekeepers.

Our Core Advantages

01

Progressive Web Apps (PWAs) That Feel Native

Get the reach of the web with the performance of a native app. Our PWAs load in under 2 seconds, work offline, support push notifications, and can be 'installed' to the home screen—no app store required.

The Benefit: 70% lower acquisition costs than mobile apps, with 3x higher engagement than traditional websites.
The Result: Users convert faster, return more often, and don't need to download anything.
02

Modern Frontend Engineering (React, Next.js, Vue)

We build single-page applications (SPAs) and server-side rendered (SSR) web apps using React, Next.js, Vue.js, and TypeScript. Dynamic, interactive UIs that feel instant, with optimized JavaScript bundles and lazy loading.

The Benefit: Butter-smooth interactions and Google Lighthouse scores above 90.
The Result: Higher SEO rankings, better Core Web Vitals, and users who don't bounce.
03

Scalable Backend Architectures (Node.js, Python, Java)

We architect resilient, high-performance backends using Node.js, Python/Django, Java/Spring, or .NET Core—paired with PostgreSQL, MongoDB, or Redis for data. RESTful APIs, GraphQL, and WebSocket support for real-time features.

The Benefit: Handles 10,000+ concurrent users without breaking a sweat.
The Result: Your platform scales with your growth—no 'rewrite from scratch' nightmares.
04

Cloud-Native & Serverless Deployment

We deploy on AWS, Azure, or Google Cloud using serverless functions (Lambda, Cloud Functions), containerized microservices (Docker/Kubernetes), and CDN-backed static assets for sub-second global load times.

The Benefit: Infinite scalability with pay-per-use pricing—no idle servers burning cash.
The Result: Handle Black Friday traffic spikes or viral launches without downtime or panic.
05

API-First & Headless CMS Integration

Need content management without the bloat? We integrate headless CMSs (Contentful, Sanity, Strapi) so your marketing team can update content without touching code. API-first architecture means your web app, mobile app, and IoT devices share one backend.

The Benefit: Content updates in minutes, not development sprints.
The Result: Marketing autonomy + engineering velocity + consistent omnichannel experience.
06

Conversion-Optimized UX/UI Design

Beautiful isn't enough—it has to convert. Our designers obsess over user flows, A/B testing, and psychology-driven UI patterns. Every button, form, and CTA is engineered to reduce friction and maximize conversions.

The Benefit: 15-30% higher conversion rates through data-driven design.
The Result: More signups, more sales, more revenue—without increasing traffic.

Web App
Development

From blazing-fast customer portals to complex enterprise SaaS platforms, we build modern web applications that scale infinitely, load instantly, and turn visitors into loyal users. Powered by cutting-edge frameworks, cloud-native architecture, and conversion-obsessed design.

  • Progressive Web Apps (PWAs)
  • Single-Page Applications (SPAs)
  • Server-Side Rendering (SSR)
  • Custom SaaS Platforms
  • E-Commerce & Marketplace Apps
  • Enterprise Portals & Dashboards
  • API Development & Integration
  • Headless CMS & Content Platforms
  • Real-Time Applications (WebSockets)
  • Cloud-Native & Serverless Architecture
Web App Development

Our Process

Discovery, Strategy & Architecture

Discovery, Strategy & Architecture

We map user journeys, define technical requirements, and architect the solution. Choose the right stack, hosting, and scalability strategy based on your growth projections.

UI/UX Design & Prototyping

UI/UX Design & Prototyping

Wireframes, high-fidelity mockups, and interactive prototypes. We validate designs with user testing and stakeholder feedback before writing a single line of code.

Full-Stack Development (Agile Sprints)

Full-Stack Development (Agile Sprints)

Build frontend (React/Next.js/Vue) and backend (Node.js/Python/Java) in parallel. Weekly demos, continuous integration, and automated testing ensure quality at velocity.

Testing, QA & Security Audits

Testing, QA & Security Audits

Automated unit/integration tests, manual QA across browsers/devices, load testing, and penetration testing. We find and fix bugs before your users do.

Launch, Monitor & Optimize

Launch, Monitor & Optimize

Deploy to production with zero-downtime strategies (blue/green, canary). Set up monitoring (uptime, performance, errors) and iterate based on real user data.

Security & Compliance Built In, Not Bolted On

OWASP Top 10 mitigation, encrypted data at rest and in transit, OAuth 2.0 / JWT authentication, role-based access control (RBAC), and GDPR/CCPA/HIPAA compliance by design. We also conduct penetration testing and security audits before launch. Your users' data is safe. Your reputation is protected.

Performance Is a Feature

We optimize for Core Web Vitals (LCP < 2.5s, FID < 100ms, CLS < 0.1). Every asset is compressed, lazy-loaded, and cached. Images are served via WebP/AVIF with responsive sizing. The result? Google loves your site, and so do your users. Faster sites = higher SEO rankings + better conversion rates.

"Our old web app took 8 seconds to load and crashed under traffic. The new one loads in 1.2 seconds and handled 50,000 concurrent users on launch day without breaking a sweat. Night and day."
Head of Product, E-Commerce Unicorn
Web App Development

The web is the most universal platform—no downloads, no gatekeepers, instant access from any device. But in 2026, 'just a website' won't cut it. Users expect app-like experiences: instant load times, offline capability, real-time updates, and designs that adapt to every screen. That's where modern web engineering comes in.

We specialize in Progressive Web Apps (PWAs), modern SPAs (React, Next.js, Vue), cloud-native backends (Node.js, Python, Java), and serverless/microservices architectures on AWS, Azure, and GCP. Whether you're launching a SaaS product, building an internal tool, or modernizing a legacy system, we deliver web apps that scale, perform, and delight.

FAQ

Frequently Asked Questions

A website is mostly informational and static (think blogs, marketing sites). A web app is interactive and dynamic—users log in, perform actions, and store data (think Gmail, Notion, Shopify). Web apps require databases, authentication, complex business logic, and often real-time updates. We build both, but we specialize in web apps.
A PWA is a web app that behaves like a native mobile app: it loads offline, can be installed to the home screen, sends push notifications, and loads near-instantly. The benefit? You get mobile app engagement without app store friction or platform fees. Twitter, Starbucks, and Uber all use PWAs—and see 3x higher engagement vs. traditional web.
It depends on your needs. React is the most popular and flexible. Next.js (built on React) adds server-side rendering and static generation for better SEO and performance—ideal for marketing sites and SaaS platforms. Vue is lightweight and beginner-friendly, great for MVPs and fast iterations. We'll recommend the best fit during discovery.
We design for scale from day one: stateless backends, horizontal scaling with load balancers, database indexing and caching (Redis), CDN for static assets, and cloud-native hosting (AWS/Azure/GCP). Whether you have 100 or 10 million users, the architecture adapts. Most importantly, we plan for incremental scaling—so you're not over-provisioning (and overpaying) early on.
Absolutely. We're experts in API integration—Salesforce, HubSpot, SAP, NetSuite, Stripe, PayPal, Twilio, SendGrid, and more. We also build custom APIs if your legacy systems don't have them. API-first architecture means your web app can talk to any system in your tech stack.
Security and compliance are non-negotiable. We follow OWASP best practices, encrypt data in transit (TLS) and at rest (AES-256), implement OAuth 2.0/JWT auth, use role-based access control (RBAC), and conduct penetration testing. For GDPR/CCPA, we implement data subject request workflows. For HIPAA/SOC 2, we use compliant cloud infrastructure (AWS HIPAA, Azure SOC 2) and conduct regular audits.
It varies based on complexity. A simple MVP (5-10 features, basic auth, one user role) typically takes 8-12 weeks and $50-80K. A mid-complexity SaaS platform (multi-tenancy, integrations, analytics) takes 4-6 months and $150-300K. Enterprise-grade platforms (complex workflows, compliance, scale) can take 6-12 months and $500K+. We provide detailed estimates after discovery.
Yes. Most clients retain us for ongoing feature development, bug fixes, performance optimization, and infrastructure management. We offer flexible retainer models (monthly hours) or dedicated team continuity. Your web app isn't 'done' at launch—it evolves with your business, and we're with you for the long haul.

Ready to Get Started?

Let's Build Together