Web App Development Services

We build custom web applications that solve real problems. A USA-based React and Next.js team since 2017. From MVPs to enterprise platforms, we've helped companies launch products used by millions.

Risk-Free Start

Oleg Kalyta

Founder & AI Lead
Oleg Kalyta

Your Web App Timeline

FREE
Week 1

Free Discovery

Test our team, no commitment
1
Week 2-4

Proof of Concept

Working prototype delivered
2
Month 2-3

Production Ready

Full web app deployed
Projects featured in

Common Web Development Challenges

Here's what we help businesses overcome.

Your current website is slow, outdated, and hurting conversions

Performance-optimized apps with modern frameworks. Fast load times, better rankings.

You've been burned by agencies that disappeared after launch

Ongoing support, security monitoring, and iterative improvements included.

You don't have the in-house resources to build what you need

Senior developers and architects who integrate with your workflow.

Security vulnerabilities and data breaches keep you up at night

Secure coding from day one. OWASP compliance, encryption, proper authentication.

Your systems don't talk to each other, creating manual work

API development connecting CRMs, payment processors, ERPs, and legacy systems.

You need to launch quickly but can't sacrifice quality

Bi-weekly sprints with tested, production-ready releases.

Why Companies Choose Our Web App Development Services

We've been building web applications since 2014. That experience shows in faster delivery, fewer bugs, and applications that actually work in production.

Ship faster without cutting corners

We've been building web apps since 2014. That experience translates to fewer surprises, better estimates, and code that doesn't need to be rewritten six months later. You get speed from knowing what works, not from skipping steps.

Technology that ages well

React, Next.js, Node.js, PostgreSQL. We stick to technologies that have proven themselves in production at scale. Your app won't be stuck on a framework that's abandoned next year. It'll be built on a stack with strong community support and a clear future.

Full-cycle ownership

From first conversation to ongoing support, we handle the entire lifecycle. Design, development, testing, deployment, maintenance. You don't need to coordinate between multiple vendors or worry about handoffs. One team, accountable for everything.

Built to scale when you need it

The architecture handles growth. Whether that's 100 users or 100,000. We've built apps that went from MVP to millions of users without requiring complete rewrites. Scaling is planned from the start, not bolted on as an afterthought.

Web App Development Services

Full-cycle development from planning through launch and beyond. We handle everything so you can focus on your business.

Custom Web App Development

We build web applications from scratch, tailored to how your business actually works. Not templates, not generic solutions. Every feature, workflow, and integration is designed around your specific requirements. Whether you're replacing spreadsheets with something that scales or building a product that'll serve millions of users, the architecture is built for your use case.

React & Next.js Development

React is our bread and butter. We've been working with it since 2017 and have built everything from simple dashboards to complex SaaS platforms. Next.js gives us server-side rendering, static generation, and API routes out of the box, which means faster load times and better SEO without the usual trade-offs.

SaaS Development

SaaS applications need multi-tenancy, subscription billing, usage tracking, and the kind of reliability that keeps paying customers happy. We've helped startups launch MVPs that attracted investment and helped established companies modernize their legacy products. The tech stack is chosen to minimize hosting costs while maximizing performance.

API Development & Integration

Your web app needs to talk to other systems. CRMs, payment gateways, ERPs, third-party services. We design and build APIs that are well-documented, secure, and actually pleasant to work with. RESTful endpoints, GraphQL when it makes sense, webhook integrations for real-time updates.

UI/UX Design & Prototyping

Good design isn't about making things pretty. It's about making sure users can actually accomplish what they came to do. We create wireframes and interactive prototypes before writing a single line of code, so you can test ideas with real users and catch problems early, when they're cheap to fix.

Progressive Web App Development

PWAs bridge the gap between web and mobile. They work offline, send push notifications, and feel like native apps without the app store hassle. We build progressive web apps that load fast on slow connections, install on home screens, and update automatically. Good fit when you need mobile reach without maintaining separate iOS and Android codebases.

Web Portal Development

Customer portals, partner portals, self-service platforms. We build web portals that give users access to what they need without drowning your support team in requests. User management, dashboards, document sharing, workflow automation, all connected to your existing systems through secure APIs.

Performance Optimization

Slow web apps lose users. We optimize everything that affects load time: image compression, code splitting, lazy loading, CDN configuration, database queries. Core Web Vitals aren't just metrics to us. They're the difference between users who stay and users who bounce.

Maintenance & Support

Launching is just the beginning. Dependencies need updates, security patches need applying, and bugs need fixing. We provide ongoing support that keeps your web app running smoothly, with monitoring, regular updates, and quick response times when something goes wrong.

Enterprise Web Applications

Enterprise projects come with their own set of challenges: SSO integration, role-based access, audit logs, compliance requirements. We've built internal tools for companies with 500+ employees, where downtime costs real money. The architecture handles complex workflows, integrates with existing systems, and scales as the organization grows.

Get a Free Project Assessment

Share your idea. We'll give you a realistic timeline, ballpark estimate, and honest feedback.

Get a Free Project Assessment

Web Application Types

Customer-Facing Web Applications

These are the apps your customers interact with directly. eCommerce platforms, booking systems, self-service portals. They need to be fast, intuitive, and reliable. We build customer-facing apps that handle traffic spikes, work across devices, and turn visitors into paying users. The UX is designed around real user behavior, not assumptions.

Internal Business Applications

Most companies run on a mix of spreadsheets, emails, and workarounds. Internal apps replace that chaos with actual systems. Inventory management, project tracking, approval workflows, reporting dashboards. We build tools that employees actually want to use, which is harder than it sounds.

B2B SaaS Platforms

SaaS products have their own rhythm. Multi-tenant architecture, subscription management, usage analytics, onboarding flows. We've helped founders go from idea to paying customers, and helped established products add features without breaking what already works. The goal is always sustainable growth, not just a successful launch.

Web Portals & Dashboards

Portals aggregate information and functionality in one place. Customer portals, vendor portals, partner dashboards. Users log in, see what matters to them, take action. We build portals that integrate with your existing systems, display real-time data, and reduce the back-and-forth that eats up your team's time.

Content Management Systems

Sometimes off-the-shelf CMS solutions don't cut it. We build custom content management systems when your publishing workflow is complex enough to justify it. Editorial workflows, content scheduling, multi-site management, API-first architecture for headless setups.

Data-Driven Web Applications

Applications that make sense of data. Analytics dashboards, reporting tools, visualization platforms. We build web apps that connect to your data sources, process large datasets, and present insights in ways that actually help people make decisions. Not just charts, but actionable information.

The Tech Stack

Modern, proven technologies chosen for performance, maintainability, and long-term support. No experimental frameworks that might be abandoned next year.

Frontend

React

React

Next.js

Next.js

TypeScript

TypeScript

Redux

Redux

Tailwind CSS

Tailwind CSS

React

React

Next.js

Next.js

TypeScript

TypeScript

Redux

Redux

Tailwind CSS

Tailwind CSS

React

React

Next.js

Next.js

TypeScript

TypeScript

Redux

Redux

Tailwind CSS

Tailwind CSS

React

React

Next.js

Next.js

TypeScript

TypeScript

Redux

Redux

Tailwind CSS

Tailwind CSS

React

React

Next.js

Next.js

TypeScript

TypeScript

Redux

Redux

Tailwind CSS

Tailwind CSS

React

React

Next.js

Next.js

TypeScript

TypeScript

Redux

Redux

Tailwind CSS

Tailwind CSS

Backend

Node.js

Node.js

Express

Express

PostgreSQL

PostgreSQL

MongoDB

MongoDB

Redis

Redis

Node.js

Node.js

Express

Express

PostgreSQL

PostgreSQL

MongoDB

MongoDB

Redis

Redis

Node.js

Node.js

Express

Express

PostgreSQL

PostgreSQL

MongoDB

MongoDB

Redis

Redis

Node.js

Node.js

Express

Express

PostgreSQL

PostgreSQL

MongoDB

MongoDB

Redis

Redis

Node.js

Node.js

Express

Express

PostgreSQL

PostgreSQL

MongoDB

MongoDB

Redis

Redis

Node.js

Node.js

Express

Express

PostgreSQL

PostgreSQL

MongoDB

MongoDB

Redis

Redis

Cloud & DevOps

AWS

AWS

Vercel

Vercel

Docker

Docker

GitHub Actions

GitHub Actions

AWS

AWS

Vercel

Vercel

Docker

Docker

GitHub Actions

GitHub Actions

AWS

AWS

Vercel

Vercel

Docker

Docker

GitHub Actions

GitHub Actions

AWS

AWS

Vercel

Vercel

Docker

Docker

GitHub Actions

GitHub Actions

AWS

AWS

Vercel

Vercel

Docker

Docker

GitHub Actions

GitHub Actions

AWS

AWS

Vercel

Vercel

Docker

Docker

GitHub Actions

GitHub Actions

APIs & Integration

REST APIs

REST APIs

GraphQL

GraphQL

Stripe

Stripe

Auth0

Auth0

REST APIs

REST APIs

GraphQL

GraphQL

Stripe

Stripe

Auth0

Auth0

REST APIs

REST APIs

GraphQL

GraphQL

Stripe

Stripe

Auth0

Auth0

REST APIs

REST APIs

GraphQL

GraphQL

Stripe

Stripe

Auth0

Auth0

REST APIs

REST APIs

GraphQL

GraphQL

Stripe

Stripe

Auth0

Auth0

REST APIs

REST APIs

GraphQL

GraphQL

Stripe

Stripe

Auth0

Auth0

Our Web Application Development Process

Industry Expertise

We've built web applications across a range of industries. Each comes with its own requirements, and we bring that domain knowledge to every project.

FinTech & Financial Services

Banking apps, payment platforms, investment tools. We understand the compliance requirements, security standards, and user expectations that come with handling money. The web apps we build in this space process transactions reliably and keep sensitive data protected.

Healthcare & Wellness

Patient portals, telemedicine platforms, health tracking apps. Healthcare projects come with HIPAA considerations and users who need things to just work. We've built apps that handle appointment scheduling, health data integration, and secure messaging.

eCommerce & Retail

Online stores, inventory systems, order management. eCommerce demands fast load times, reliable checkout, and the kind of performance that keeps customers from abandoning carts. We build platforms that handle seasonal traffic spikes and integrate with payment and shipping providers.

Real Estate & PropTech

Property listing platforms, tenant portals, management systems. Real estate apps deal with search, maps, scheduling, and document management. We build solutions that help agents, property managers, and buyers find what they need faster.

Logistics & Supply Chain

Tracking systems, warehouse management, delivery optimization. Logistics apps need real-time data, integrations with hardware, and interfaces that work in fast-paced environments. We build tools that give operations teams visibility and control.

Gaming & Entertainment

Community platforms, content delivery, user engagement. We built Rocket League Garage, a gaming platform with 5M+ users. Experience with high-traffic, highly interactive applications where performance and user experience are everything.

Sports & Fitness

Booking systems, training platforms, community apps. Sports and fitness apps need to handle scheduling, progress tracking, and social features. We build platforms that keep users engaged and coming back.

Startups & Scaleups

MVPs, product launches, rapid iteration. Startups need to move fast without accumulating technical debt that slows them down later. We've helped companies go from idea to funded product, and from funded product to market leader.

Web Application Development Cost

Honest pricing based on real projects. These ranges reflect what custom web app development actually costs when done properly.

Simple App

Startups validating product-market fit

$20,000 – $30,000

6-8 weeks

  • Custom web application development
  • Responsive design (desktop, tablet, mobile)
  • Core feature set (5-8 screens)
  • Basic backend & API
  • User authentication
  • Deployment & hosting setup
  • 30 days post-launch support

For startups testing an idea or businesses wanting to validate market demand before full investment. Core features only, designed to learn fast.

Standard App

Product launches, established businesses

$40,000 – $60,000

8-12 weeks

  • Full feature set (15-25 screens)
  • Custom backend & integrations
  • Advanced UI/UX design
  • Admin panel
  • Multiple third-party integrations
  • Analytics & reporting
  • 30 days post-launch support

Full-featured web app with polished design and robust backend. Suitable for launching a production product that needs to compete in the market.

Complex App

Large organizations, regulated industries

$80,000 – $120,000

12-16 weeks

  • Complex backend architecture
  • Enterprise integrations (ERP, CRM)
  • Advanced security & compliance
  • Multi-tenant architecture
  • Custom analytics & reporting
  • High availability setup
  • Extended support options

Complex applications with advanced features, multiple user roles, third-party integrations, and enterprise-grade security.

Ready to Build Your Web Application?

Start with a free discovery week. We'll analyze your project, deliver a detailed plan, and build a proof of concept — before you commit to anything.

Ready to Build Your Web Application?

Why Work With ProductCrafters

Not every development company is the right fit. Here's what makes us different.

10+ years building web applications

We've been doing this since 2014. That's enough time to see what actually works in production, which shortcuts lead to technical debt, and how to build apps that are still running smoothly years after launch.

React specialists since 2017

React isn't just another tool in our kit. It's our primary framework. We've built everything from simple admin dashboards to complex SaaS platforms. Deep expertise means better architecture decisions and faster problem-solving.

Products with millions of users

Our work is in production serving real users at scale. Rocket League Garage alone handles 5M+ users. We know what it takes to build apps that perform under load and keep working reliably over time.

Transparent process, no surprises

You'll know what's happening at every stage. Weekly demos, clear communication, honest estimates. When problems come up, we flag them early. The goal is predictable delivery, not project management theater.

What Founders Say

Transparent pricing based on project scope and complexity.
Here's what typical ML initiatives cost based on projects we've delivered.

What most impressed me about ProductCrafters was their dedication to my project and understanding of our goals. They were very honest and transparent throughout the entire process.

Mario Alcaraz

Mario Alcaraz

CEO, BeautyAdvisor

4.9★ App Rating, 7x Performance

They were flexible, and it was easy to work with them on a day-to-day basis. Their brilliant ideas were critical to the project success.

Alex Vasilenko

Alex Vasilenko

CEO, Wevention (Yupi)

4.8★ Rating, 40% Budget Savings

Out of over 40 applicants, we selected ProductCrafters based on their experience, technical expertise, and cost estimate. The team showed deep technical expertise, a strong work ethic, and honesty.

Julius Simon

Julius Simon

CPO, Finsu

$550K Raised, 11K+ Monthly Users

The team has honest billing practices and creates incredible value for the cost. Working with ProductCrafters has saved us hundreds of thousands of dollars compared to domestic firms.

Maxwell Murphy

Maxwell Murphy

Founder, ProcessBoard

Significant Cost Savings

The quality of their code makes them a valuable partner. They thought holistically about solutions and brought up all-encompassing ideas.

Fernando Rosario

Fernando Rosario

CTO, Raisal

Production-Ready Code

Their insightful advice has maximized the application's performance. We're actually learning things from ProductCrafters that we can adapt and use in other applications.

G

Golda Grossman

Director of Application Development, LTC Consulting Services

Optimized Performance

What most impressed me about ProductCrafters was their dedication to my project and understanding of our goals. They were very honest and transparent throughout the entire process.

Mario Alcaraz

Mario Alcaraz

CEO, BeautyAdvisor

4.9★ App Rating, 7x Performance

They were flexible, and it was easy to work with them on a day-to-day basis. Their brilliant ideas were critical to the project success.

Alex Vasilenko

Alex Vasilenko

CEO, Wevention (Yupi)

4.8★ Rating, 40% Budget Savings

Out of over 40 applicants, we selected ProductCrafters based on their experience, technical expertise, and cost estimate. The team showed deep technical expertise, a strong work ethic, and honesty.

Julius Simon

Julius Simon

CPO, Finsu

$550K Raised, 11K+ Monthly Users

The team has honest billing practices and creates incredible value for the cost. Working with ProductCrafters has saved us hundreds of thousands of dollars compared to domestic firms.

Maxwell Murphy

Maxwell Murphy

Founder, ProcessBoard

Significant Cost Savings

The quality of their code makes them a valuable partner. They thought holistically about solutions and brought up all-encompassing ideas.

Fernando Rosario

Fernando Rosario

CTO, Raisal

Production-Ready Code

Their insightful advice has maximized the application's performance. We're actually learning things from ProductCrafters that we can adapt and use in other applications.

G

Golda Grossman

Director of Application Development, LTC Consulting Services

Optimized Performance

CEO at pflegehub.de

Dennis

We met our deadlines and we are still in the budget that I think is very rare for tech products. Couldn't be happier.

Dennis
Dennis

Trusted by Industry Leaders

Clutch
The Manifest
DesignRush
GoodFirms
Clutch Top 100
AppFutura
Clutch 2023
UpWork Top Rated
Clutch Real Estate
Top Web Developers
Clutch
The Manifest
DesignRush
GoodFirms
Clutch Top 100
AppFutura
Clutch 2023
UpWork Top Rated
Clutch Real Estate
Top Web Developers

FaQ

How much does custom web app development cost?

Costs vary based on scope. Simple web applications (MVP, 5-8 screens) typically range from $20,000 to $30,000. Standard applications with full features, integrations, and admin panels run $40,000 to $60,000. Complex enterprise-grade applications with multi-tenant architecture and advanced security typically cost $80,000 to $120,000. The main cost drivers are feature complexity, number of integrations, design requirements, and compliance needs.

How long does it take to develop a custom web application?

Timeline depends on complexity. A straightforward MVP might take 8-12 weeks. A full-featured SaaS platform could take 4-6 months. Enterprise applications with extensive integrations often run 6-12 months. The discovery phase usually takes 1-2 weeks, design 2-3 weeks, and development makes up the bulk of the remaining time. We work in 2-week sprints with regular demos, so you see progress throughout rather than waiting until the end.

Do you offer web app development services for startups?

Absolutely. Startups are a big part of what we do. We understand the constraints: tight budgets, uncertain requirements, and the need to move fast without accumulating technical debt. We've helped startups build MVPs that attracted seed funding, and we've helped funded startups scale their products to handle growth. The approach is different from enterprise work. More iteration, faster decisions, leaner solutions. We're set up to work that way.

What technologies do you use for web application development?

Our core stack is React and Next.js on the front-end, Node.js on the back-end, with PostgreSQL as the primary database. We also use TypeScript for type safety, Redis for caching, and deploy to AWS or Vercel depending on the project needs. For specific use cases, we work with GraphQL, MongoDB, and various third-party APIs. The stack is chosen for reliability, performance, and long-term maintainability, not just what's trendy.

Do you build SaaS web applications?

SaaS development is one of our specialties. We've helped startups launch products and helped established companies modernize their offerings. SaaS projects involve multi-tenant architecture, subscription billing (usually via Stripe), user management, usage tracking, and the kind of reliability that keeps paying customers happy. We understand the business model considerations, like building for self-serve onboarding and minimizing support burden.

What happens after the web application is launched?

Launch is just the beginning. We offer ongoing maintenance and support that includes monitoring, regular updates, security patches, bug fixes, and feature additions. Most clients continue working with us because they need the app to evolve as their business changes. We track performance metrics, respond quickly to issues, and plan improvements based on real usage data. The application gets better over time, not just maintained.

How do you ensure web application security?

Security is built in from the start, not bolted on later. We follow OWASP guidelines, implement proper authentication and authorization, encrypt sensitive data, and validate all user inputs. SSL/TLS is mandatory. We conduct code reviews with security in mind, keep dependencies updated, and can perform security audits on request. For applications handling sensitive data, we implement additional measures like audit logging, intrusion detection, and compliance-specific requirements.

Can you integrate the web app with existing systems?

Yes, integration is a core part of what we do. We connect web applications to CRMs like Salesforce and HubSpot, ERPs, payment gateways like Stripe, communication tools, databases, and custom internal systems. We build and document APIs, handle authentication between systems, and ensure data flows reliably. Whether it's pulling data from legacy systems or pushing updates to third-party services, we design integrations that work reliably in production.

What is the difference between a website and a web application?

Websites are primarily informational. They display content that users read. Web applications are interactive tools that users work with. A company website tells you about the business. A web application lets you manage inventory, process orders, or track projects. The technical difference is in complexity: web apps require user authentication, database operations, business logic, and often real-time updates. They're built to do things, not just show things.

What are web app development services?

Web app development services cover the entire process of building web-based applications, from initial planning and design through development, testing, and deployment. This includes front-end development (what users see and interact with), back-end development (servers, databases, APIs), and the integrations that connect everything together. Unlike simple websites, web applications handle complex logic, user authentication, data processing, and interactive features. The scope typically includes requirements analysis, UI/UX design, coding, quality assurance, and ongoing maintenance.

Can you develop enterprise web applications?

Absolutely. We've built internal tools and customer-facing platforms for mid-size and large companies. Enterprise projects typically involve SSO integration, role-based permissions, audit logging, and connections to existing corporate systems like ERPs and CRMs. We understand the security requirements, compliance considerations, and scalability needs that come with enterprise deployments. The architecture is designed to handle the complexity without becoming unmaintainable.

Do you offer progressive web app (PWA) development?

Yes, we build progressive web apps that work offline, send push notifications, and install on home screens like native apps. PWAs are a good choice when you want mobile-like functionality without the overhead of maintaining separate iOS and Android apps. They load fast on slow connections, update automatically, and avoid app store approval processes. We implement service workers, caching strategies, and the manifest files that make PWAs work properly across devices.

How do you handle web app performance and scalability?

Performance is considered from the first architecture decisions. We implement caching, optimize database queries, use CDNs for static assets, and write efficient code. Load testing happens before launch to identify bottlenecks. The infrastructure is designed to scale horizontally when traffic grows. We've built applications that handle millions of users, so we know what it takes to maintain responsiveness under load.

Can you redesign or modernize an existing web application?

Yes, we take on modernization projects. Sometimes that means a complete rebuild with modern technologies. Sometimes it means incremental improvements to an existing codebase. We assess what you have, identify what's worth keeping versus what needs replacing, and create a migration plan that minimizes risk. The goal is usually better performance, maintainability, and user experience without losing the functionality that already works.

Start Your Project Risk-Free

bg
Risk-Free Start

Your Free Trial Sprint

1
Week 1

Meet your team

Slack channel, assigned developer, daily standups. First code committed to your GitHub.
2
Week 2

Working prototype delivered

Technical spike or prototype complete. Architecture + budget roadmap for the full build.

You keep everything. Zero cost. Zero commitment.

Oleg Kalyta

Oleg Kalyta

Founder & AI Lead
What happens next:
  • 1.You submitWe review within 24 hours
  • 2.15-minute scoping callWe align on trial goals
  • 3.Developer assignedWithin 48 hours
  • 4.Working code in your repoBy end of Week 1

Start Your Free Trial Sprint

Tell us about your project and we'll get back to you within 24 hours.

No contract. No credit card. You keep everything we build.

Oleg Kalyta

Oleg Kalyta

Founder

Web App Development for Startups

Building your first product? We've helped dozens of startups go from idea to funded company. Here's our approach to startup web development.

MVP development that validates fast

Most startup ideas don't need a full product to prove they work. We build MVPs in 8-12 weeks that test core assumptions with real users. You get market feedback before committing to a larger build.

Investor-ready architecture

Technical due diligence is part of most funding rounds. We build with clean code, proper documentation, and scalable architecture that won't raise red flags when investors bring in their technical advisors.

Budget-conscious choices

Startup money is precious. We recommend technologies and hosting setups that minimize costs early while leaving room to scale. No gold-plating, just what you need to get traction.

Iteration-friendly development

Your product will change. A lot. We build in a way that makes pivots and feature changes straightforward. The codebase stays maintainable even as requirements evolve.

Full-stack ownership

You're busy with fundraising, sales, and a hundred other things. We handle the entire technical side so you can focus on growing the business. One team, one point of contact.

Enterprise Web Application Development

Building for a larger organization? Enterprise projects come with their own requirements. Here's how we handle them.

SSO and identity management

Integration with Active Directory, Okta, Auth0, or your existing identity provider. Users authenticate once and access everything they need. Role-based permissions ensure people only see what they should.

Compliance and audit trails

When you need to track who did what and when, we build it in. Audit logs, data retention policies, and the documentation your compliance team requires. HIPAA, SOC 2, GDPR, we've worked within these frameworks.

High availability architecture

For applications that can't go down, we design redundant systems with failover, load balancing, and disaster recovery. Monitoring and alerting catch problems before they affect users.

Complex integrations

Enterprise environments have existing systems. ERPs, CRMs, legacy databases, custom internal tools. We build integrations that work reliably and handle edge cases gracefully.

Scalable performance

Whether you have 500 employees or 50,000, the application needs to perform. We architect for the load you expect and build in room to grow.