Custom Web Development with React & Next.js
Full-stack web applications engineered for production — not staging environments. Scoped, architected, and delivered.
15+ web applications shipped — avg. LCP 1.8s in production
Custom web development at ApexDev starts with architecture, not code. Every project begins with a structured discovery phase: user flows are mapped, technical constraints defined, and system architecture established before a single component is written. This eliminates the rework that accounts for 30–40% of cost overruns on projects that skip the discovery phase and jump straight to implementation.
Our primary stack is React and Next.js with TypeScript. TypeScript is non-negotiable on all projects — it eliminates entire categories of runtime errors before they reach production and keeps codebases maintainable by teams that did not write the original code. Next.js handles server-side rendering, static generation, and edge functions in a single framework, removing the need for separate services to manage rendering strategy.
Performance is built in, not optimized at the end. Every component is engineered against Core Web Vitals targets: LCP under 2.5 seconds, CLS under 0.1, and FID under 100ms. These are constraints that shape every architectural decision — image formats, component loading strategy, JavaScript payload size, and server-side rendering scope. Our production web applications average an LCP of 1.8 seconds.
We have delivered web applications for clients in medical SaaS, legal services, industrial engineering, and e-commerce — each with different compliance requirements, user profiles, and technical constraints. A medical SaaS dashboard used by clinicians has different latency tolerance and accessibility requirements than a high-traffic e-commerce storefront. The stack and architecture adapt to the problem; the engineering standard does not.
Typical web development projects range from 4 to 12 weeks. A 4-week engagement produces an MVP-scope web application — authentication, core user flows, and production deployment. A 12-week engagement delivers a full-featured product with admin tooling, third-party integrations, and comprehensive QA. Scope is locked before development begins. If requirements change mid-project, we assess impact and communicate it immediately — not at the deadline.
Post-launch support is available through monthly retainer agreements covering maintenance, performance monitoring, dependency updates, and iterative feature development. Most clients retain us for 3–6 months post-launch. A shipped product is the start of the optimization process, not the end of the engagement.
What's Included
- [✓]Full-stack web application with production deployment
- [✓]Mobile-responsive design across all breakpoints
- [✓]Core Web Vitals optimization (LCP, CLS, FID)
- [✓]SEO-ready architecture with proper metadata and structured data
- [✓]Authentication, authorization, and role-based access control
- [✓]Admin dashboard or CMS if required
- [✓]Comprehensive QA across browsers and devices
- [✓]Documentation and handover package
Tech Stack
Common Questions
Do you build web applications from scratch or also work with existing codebases?
Both. Greenfield projects start with a full discovery and architecture phase. For existing codebases, we begin with a technical audit to identify issues, technical debt, and security vulnerabilities before proposing any changes.
How much does custom web development cost?
Projects typically range from $8,000 to $45,000 depending on scope, complexity, and integrations required. We do not quote until scope is defined — a number without defined deliverables is not a quote, it is a guess.
What is the typical timeline for a web development project?
Most web projects deliver in 4 to 12 weeks. Timeline is determined during the discovery phase based on locked scope — not estimated blindly upfront.
Do you provide hosting and deployment?
Yes. We configure deployment to your preferred infrastructure (Vercel, AWS, Firebase, or your own servers), set up CI/CD pipelines, environment variables, monitoring, and handover documentation.
What is the difference between a website and a web application?
A website is primarily informational — pages, content, and forms. A web application has user-specific state, authentication, dynamic data, and business logic. Most of our projects are web applications. If you need a marketing site, we can recommend better-suited options for that scope.
Ready to start a custom web development project?
Scope defined before any code is written.