Web Development

Build Web Experiences That Engage & Convert

High-performance web applications with seamless UX and modern architecture.

We design and engineer web applications for e-commerce, enterprise operations, and consumer platforms. From Progressive Web Apps to complex multi-tenant SaaS, we deliver responsive, scalable solutions that drive measurable business outcomes.

85+

Web Apps Built

< 2s

Avg. Page Load

92%

Client Retention

20+

Industries Served

Book a Discovery Call See Recent Projects

What We Offer

Comprehensive solutions tailored to your specific needs and goals.

Progressive Web Applications (PWA)

Fast, reliable, and engaging web applications that work offline and provide native app-like experience across all devices.

Offline functionality and data sync
Push notifications
App-like user interface
Fast loading and performance

8-12 weeksLearn more →

E-commerce Web Platforms

Custom e-commerce solutions with shopping cart, payment processing, inventory management, and comprehensive admin dashboard.

Custom shopping cart and checkout
Payment gateway integrations
Product catalog management
Order and inventory tracking

12-16 weeksLearn more →

Enterprise Web Applications

Scalable web applications for enterprise operations with complex workflows, data management, and user hierarchies.

Complex workflow management
Role-based access control
Real-time collaboration
Advanced reporting and analytics

14-20 weeksLearn more →

Web Application Modernization

Transform legacy web applications into modern, responsive, and performant solutions with updated technology stack.

Legacy system analysis
Modern UI/UX redesign
Performance optimization
Mobile responsiveness

10-18 weeksLearn more →

Web3 & Blockchain Solutions

Build decentralized applications and blockchain-integrated web platforms with smart contracts, wallet integration, and crypto payments.

DApp development
Smart contract integration
Wallet integration and management
Cryptocurrency payment processing

12-18 weeksLearn more →

Key Benefits

Lightning-Fast Performance

Optimized page loads, server-side rendering, and caching strategies ensure your web app is blazingly fast.

< 2s avg page load

Mobile-First Design

Responsive, touch-friendly interfaces that work seamlessly across all devices and screen sizes.

100% responsive

Conversion-Optimized

UX best practices, A/B testing, and analytics integration to maximize your business outcomes.

+40% avg conversion lift

Our Process

A proven approach that delivers results consistently.

Discovery & Strategy

1-2 weeks

Understand your business goals, target audience, and technical requirements.

Project scopeTechnical specificationTimeline & budgetProject roadmap

Design & Prototyping

2-4 weeks

Create wireframes, visual designs, and interactive prototypes.

WireframesVisual designsInteractive prototypeDesign systemUser flows

Development & Testing

6-14 weeks

Build the application with continuous testing and quality assurance.

Frontend developmentBackend developmentAPI integrationQuality assurancePerformance optimization

Launch & Support

1-2 weeks

Deploy to production and provide ongoing support and optimization.

Production deploymentLaunch monitoringUser documentationTraining materialsOngoing support

Why Choose DevSimplex for Web Development?

We build web experiences that balance aesthetics, performance, and business outcomes.

Design Excellence

Beautiful, intuitive interfaces that users love. Every pixel is purposeful and every interaction deliberate.

Performance First

We optimize for speed from day one. Faster apps = better UX = higher conversions and retention.

Proven Delivery

Our track record: 85+ web apps built, 92% client retention, and sub-2-second page loads.

Security & Compliance

Built-in security practices, data protection, and compliance with industry standards (GDPR, SOC 2).

Data-Driven Approach

We measure what matters: user engagement, conversion rates, and business impact. Not just features shipped.

Long-term Partnership

From launch to scaling. We stick around for maintenance, optimization, and growth beyond day one.

Case Studies

Real results from real projects.

E-commerceRetailMax Solutions

E-commerce Platform Scales to $5M+ Revenue

Legacy e-commerce platform with poor performance and limited vendor management capabilities.

Results

$5M+ monthly transaction volume

1000+ vendors onboarded

40% increase in conversion rate

2-second page load time

Enterprise SoftwareGlobalTech Corp

Enterprise Portal Improves User Adoption 85%

Internal business application with complex workflows, poor UX, and integration gaps.

Results

85% user adoption increase

50% faster workflows

Zero downtime migration

99.95% uptime

View All Case Studies

What Our Clients Say

"The e-commerce platform DevSimplex built transformed our business. Performance is lightning fast and our customers love the experience. Best investment we made."

Jennifer Martinez

CEO, RetailMax Solutions

"The modernized web application exceeded expectations. User adoption jumped 85% immediately. Their team is responsive and delivered on time."

David Chen

CIO, GlobalTech Corp

Frequently Asked Questions

What web technologies do you use?

We specialize in modern web technologies including React, Next.js, Node.js, TypeScript, and PostgreSQL. Our choice of technology depends on your specific project requirements, scalability needs, and business goals.

How long does a web application project take?

Development time varies based on complexity. Simple applications take 8-12 weeks, while complex enterprise solutions can take 14-20 weeks. We provide detailed timelines after the discovery phase and use agile methodology for incremental delivery.

Do you provide maintenance and support after launch?

Yes, we offer comprehensive maintenance packages including bug fixes, security updates, feature enhancements, and performance optimization. Support packages range from 3 months to 12 months depending on your needs.

Can you modernize our legacy web application?

Absolutely! We specialize in modernizing legacy applications. We assess your current system, plan a phased migration, and rebuild using modern technologies while maintaining your existing functionality and data.

Do you handle e-commerce development?

Yes, we build custom e-commerce platforms from scratch. We handle everything from product catalog and shopping cart to payment processing, inventory management, and admin dashboards.