Custom Web Application Development Services

Why Choose Ratech

We deliver production-grade web applications that drive business results, not pretty designs that break under real user load

years building high-performance web applications and websites

85%

clients recommend our services after working with our team

End-to-end

expertise from UI/UX design to DevOps and scaling

Long-term

we focus on partnership approach to improve your app continuously

Common Web Development Blockers

Weeks of work, no MVP

Scattered priorities delay launches and waste early feedback cycles.

Unreliable delivery teams

Freelancers disappear, and internal teams stretch too thin.

Architecture that blocks growth

Poor foundations make it hard to scale, update, or integrate.

Forget the slow beginning. We’ll kick off your project today.

Let’s talk

Custom Web Development Services

From design to deployment and beyond — comprehensive web development under one roof

Let’s talk

Complex internal tools and dashboards for business operations. Custom workflows, data visualization, reporting systems, and integrations with existing enterprise systems.

Multi-sided platforms connecting buyers and sellers, service providers and customers. User management, transactions, reviews, messaging, and admin controls for platform operation.

Custom online stores optimized for conversion. Advanced product catalogs, smart search, personalized recommendations, complex pricing, inventory management, and seamless checkout experiences.

With us, you will get the opportunity to launch your corporate website with the ability to integrate a payment gateway to make online purchases.

Fast, easy-to-manage websites built on modern CMS and headless technologies, giving you excellent editorial control.

We aim to keep your users engaged after the first click through excellent UI/UX design. Adopting mobile-first thinking, our designers ensure that your web app’s UIs easily adapt on both desktop and mobile browsers, offer good flows, and align with user requirements.

Upgrading your systems or migrating platforms seamlessly — improving speed, UX, and technical maintainability.

Case Studies

Marketing

AI Automation

AI Development

Webpromo: Custom Data Intelligence

Construction

AI Automation

Data Analysis

Core&Saw: Automation for Construction

Service Options

Start with product strategy and design, or jump into full-stack development of your web application

Consulting and Product Discovery

Not ready for full development? Start with product discovery where we validate your concept, design user flows, create UI/UX prototypes, and deliver technical specification with development roadmap and timeline.

Book 30 min call

Full-Cycle Web Development

Entrust complete web application development to us: product strategy, UI/UX design, full-stack development (frontend, backend, database), QA testing, DevOps setup, deployment, and ongoing support and feature development.

Ratech Expertise and Benefits of Custom Web Development

Full-Stack Excellence

Complete development team in one place - UI/UX designers, frontend developers, backend engineers, QA specialists, and DevOps. No coordination between multiple vendors, one accountable partner for everything.

Agile Development

Work in 2-week sprints with working software delivered each iteration. See progress continuously through demos, staging environment, and project management tools. No black box development.

AI & ML Mastery

AI and ML have changed how things work on the web, and we ensure your web app adapts seamlessly. Think personalization, AI-driven customer service, data-driven insights, and efficient database management.

Modern Tech Stack

Built on proven, scalable technologies - React, Node.js, PostgreSQL, AWS/Azure. Your application uses industry-standard tools with strong community support and long-term viability.

Secure Software Solutions

We ensure your backend security meets industry standards by implementing secure API connections with OAuth 2.0 and OpenID Connect, along with encryption protocols to protect user data and confidential information.

Transparency and Flexibility

85% of our clients come from referrals, a testament to the trust we’ve built on a foundation of transparency. We keep you informed on every essential detail and incorporate your feedback, be it for product or team adjustments.

Emerging Tech We Use In Web App Development

Efficient web apps offer more than just content browsing and transactions. Ratech can add value with these advanced technologies.

AI can enhance your web app in many ways, such as providing more efficient and accessible customer service, personalized experiences through machine learning, and easier content creation using AI and ML.

Power your IoT systems with a robust web app that enables uninterrupted real-time data flow, analytics-based insights, and seamless integration. We create tailored web solutions for industries like healthcare, finance, and logistics.

Computer vision enables your system to detect and identify people, objects, and documents. We can equip your web app with features like facial recognition for security, AR for real estate, and OCR for document handling in finance and healthcare.

Data from your web app can drive decision-making, reveal performance insights, and support ongoing optimizations. With our expertise in advanced analytics, we process data efficiently within privacy limits to maximize its potential.

Step-by-step process: Ratech Web Development

Product Discovery & Planning

Requirements gathering

Business goals alignment: Understand what you're building, why, and how success will be measured. Define KPIs and business outcomes application must deliver.

User research: Identify target users, their needs, pain points, and behaviors. Validate assumptions through interviews or competitive analysis.

Feature prioritization: List all desired features and prioritize by business value and user impact. Define MVP scope vs future enhancements.

Technical constraints: Identify integration requirements, performance needs, security/compliance requirements, and platform constraints.

Project planning

Architecture design: Plan technical architecture - frontend framework, backend stack, database, hosting, third-party services. Ensure scalability and maintainability.

Development roadmap: Break work into sprints with clear deliverables. Define milestones, dependencies, and timeline for MVP and post-launch phases.

Team composition: Assign designers, developers, QA, DevOps based on project needs. Define roles, responsibilities, and communication protocols.

Budget and timeline: Provide detailed estimate with breakdown by phase. Set realistic expectations on costs, timeline, and resource allocation.

UI/UX Design

User experience design (UX)

User flows: Map how users will accomplish key tasks in application. Identify optimal paths and potential friction points.

Information architecture: Structure content and features logically. Design navigation that makes sense to users.

Wireframing: Create low-fidelity wireframes showing layout, hierarchy, and interaction patterns. Validate flow before visual design.

Prototype development: Build interactive prototypes for user testing. Validate assumptions and gather feedback before development starts.

Visual design (UI)

Design system creation: Establish visual language - colors, typography, spacing, components. Ensure consistency across application.

High-fidelity mockups: Design polished screens for key user flows. Show exactly how final application will look and feel.

Responsive design: Design for desktop, tablet, and mobile. Ensure excellent experience across devices and screen sizes.

Design handoff: Provide developers with complete design specifications, assets, and style guide. Enable pixel-perfect implementation.

Frontend Development

Component development

UI implementation: Build reusable components following design specifications. Implement responsive layouts that work across devices.

State management: Implement application state logic using Redux, Context, or similar. Manage complex data flows and user interactions.

API integration: Connect frontend to backend APIs. Handle data fetching, caching, error states, and loading indicators.

Performance optimization: Implement code splitting, lazy loading, image optimization, and caching. Achieve fast load times and smooth interactions.

Quality assurance

Cross-browser testing: Verify application works correctly in Chrome, Firefox, Safari, Edge. Fix browser-specific issues.

Responsive testing: Test on various devices and screen sizes. Ensure mobile experience is excellent, not just functional.

Accessibility implementation: Follow WCAG guidelines for keyboard navigation, screen readers, and color contrast. Make application usable by everyone.

Unit testing: Write tests for critical components and logic. Catch bugs early and enable confident refactoring.

Backend Development

API development

RESTful API design: Create well-structured endpoints following REST principles. Clear, predictable API that frontend consumes easily.

Authentication & authorization: Implement secure user authentication (JWT, OAuth) and role-based access control. Protect sensitive operations.

Business logic implementation: Code core application functionality - data processing, calculations, workflows, integrations with external services.

Database design: Structure data efficiently in PostgreSQL, MongoDB, or appropriate database. Optimize for query performance and data integrity.

Infrastructure & security

Third-party integrations: Connect with payment processors, email services, cloud storage, and other external APIs required for functionality.

Error handling & logging: Implement robust error handling and comprehensive logging. Enable debugging and monitoring of issues.

Security measures: Implement input validation, SQL injection prevention, XSS protection, rate limiting, and data encryption.

Performance optimization: Database query optimization, caching strategies, background job processing. Handle expected load efficiently.

QA Testing & Launch

Quality assurance

Functional testing: Verify every feature works as specified. Test happy paths and edge cases. Ensure application meets requirements.

Integration testing: Test how components work together and with third-party services. Verify end-to-end workflows function correctly.

Performance testing: Load test application to ensure it handles expected traffic. Identify bottlenecks and optimize before launch.

Security testing: Perform security audit, penetration testing, and vulnerability scanning. Fix issues before going live.

Deployment & launch

DevOps setup: Configure CI/CD pipeline for automated testing and deployment. Set up staging and production environments.

Infrastructure provisioning: Set up cloud hosting (AWS, Azure, GCP) with proper sizing. Configure databases, caching, and CDN.

Monitoring & alerts: Implement application monitoring (uptime, performance, errors) with alerts. Enable quick response to issues.

Launch support: Provide hands-on support during launch period. Monitor closely and address any issues immediately.

Post-Launch Support & Maintenance

Ongoing maintenance

Bug fixing: Address issues discovered after launch. Prioritize by severity and business impact.

Performance monitoring: Track application performance, user behavior, and system health. Optimize based on real usage data.

Security updates: Apply security patches, update dependencies, perform regular audits. Keep application secure over time.

Technical support: Provide support for technical issues, user questions, and system administration.

Continuous improvement

Feature development: Build new features based on user feedback and business priorities. Iterate in regular sprint cycles.

Analytics review: Analyze user behavior, conversion funnels, and feature adoption. Identify optimization opportunities.

A/B testing: Test variations of UI, copy, and flows to improve conversion and engagement. Data-driven optimization.

Scalability improvements: Optimize architecture as traffic grows. Add caching, database scaling, load balancing as needed.

Looking for something quicker and easier? We’ve got you covered!

Let’s talk

Engagement models

Select the collaboration format that aligns with your project scope and business objectives

A complete web development team — including UI/UX designers, frontend and backend developers, QA engineers, and DevOps — working exclusively on your application from concept to launch and beyond.

Pay only for actual development time and resources used, with complete flexibility to adjust features, pivot direction, and extend timeline as you validate and learn.

Strengthen your existing development team with our specialists who integrate seamlessly into your workflows, filling skill gaps and accelerating your web application development.

A clearly defined web application with set budget and timeline — ideal for well-documented projects with established requirements and minimal expected changes.

Technology stack

Ratech uses modern, proven technologies to build fast, scalable, and maintainable web applications

Front-end

Back-end

Databases

Cloud & DevOps

CMS

Front-end

React.js

Next.js

Gatsby.js

Vue.js

TypeScript

Redux

MobX

Webpack

GraphQL

Back-end

Node.js

Nest.js

Express.js

Python / Django

FastAPI

Ruby on Rails

REST APIs

RabbitMQ

Fastify

Databases

‍PostgreSQL

MySQL

SQLite

MongoDB

Redis

Firebase

Supabase

Cloud & DevOps

AWS

Google Cloud Platform

Azure

Docker

Kubernetes

CI/CD

Terraform

GitHub Actions

CMS

Sanity

Strapi

Prismic

Decap

Shopify

BigCommerce

WooCommerce

Wordpress

Webflow

FAQ

Timeline depends on complexity and scope. Simple MVP with core features: 8-12 weeks. Medium complexity SaaS platform: 16-20 weeks. Complex enterprise application: 6-9 months. We provide detailed timeline during discovery phase.

Everything needed for launch: product strategy, UI/UX design, full-stack development (frontend, backend, database), QA testing, DevOps setup, deployment, and post-launch support. One team, complete solution.

We specialize in web applications but can build Progressive Web Apps (PWAs) that work like native apps - offline functionality, push notifications, home screen installation. For true native apps, we partner with trusted mobile development agencies.

Yes. We audit current application, identify UX issues and technical debt, then redesign and rebuild. We can do phased migration to minimize disruption, or complete rebuild depending on requirements.

Performance optimization throughout development: code splitting, lazy loading, image optimization, CDN, caching, database query optimization. We performance test before launch and monitor continuously after.

We use agile methodology specifically to accommodate changes. You see working software every 2 weeks and can adjust priorities. Changes are managed through sprint planning and communicated clearly.

Investment depends on complexity, features, and timeline. Simple MVP: $10K-$30K. Medium SaaS platform: $50K-$100K. Complex enterprise application: $200K+. We provide detailed quote after discovery phase.

Yes. We offer maintenance and support packages including bug fixes, security updates, performance monitoring, and technical support. Also available for ongoing feature development as your product evolves.

Absolutely. We integrate with any system that has an API or database access. Common integrations: CRMs (Salesforce, HubSpot), payment processors (Stripe), accounting (QuickBooks), communication tools (Slack, Teams).

Security best practices from day one: encrypted data transmission and storage, secure authentication, input validation, SQL injection prevention, XSS protection, regular security audits. GDPR, HIPAA, SOC2 compliance when required.

Weeks of work, no MVP

Unreliable delivery teams

Architecture that blocks growth

Web Applications & PWA

Web Portals

E-commerce & Marketplaces

Corporate & Marketing Websites

Headless & CMS-based Websites

UX/UI Design

Maintenance & Platform Migration

Full-Stack Excellence

Agile Development

AI & ML Mastery

Modern Tech Stack

Secure Software Solutions

Transparency and Flexibility

AI and Machine Learning

Internet of Things (IoT)

Computer Vision

Big Data and Analytics

Dedicated Team

Time & Materials

Augmented Team

Fixed Price

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