Custom web app Development Built for Performance, Scale & Growth
We build fast, secure, and fully customized websites tailored to your business needs—designed to scale, rank on search engines, and convert visitors into customers.
Start a projectWho Our Custom Website Development Is For
Our custom website development services are designed for businesses that need more than templates—teams that require performance, flexibility, and long-term scalability.
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Growing Businesses & Established Brands
Companies that need a fully custom website aligned with their brand, business logic, and marketing goals.
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Startups Building Scalable Platforms
Founders launching MVPs or full products who need a custom-built website that can evolve with their product and users.
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SaaS & Product-Led Companies
Teams requiring custom functionality, integrations, dashboards, or complex user flows that template-based solutions can’t handle.
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Businesses Migrating From Templates
Organizations moving away from rigid website builders to gain better performance, SEO control, and long-term flexibility.


Problems Our Custom Web App Development Solves
Off-the-shelf software and template-based solutions often fail to support real business workflows. We build custom web applications that solve complex problems and scale with your business.
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Problems Our Custom Web App Development Solves
Off-the-shelf software and template-based solutions often fail to support real business workflows. We build custom web applications that solve complex problems and scale with your business.
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Rigid Software That Doesn’t Fit Your Workflow
Generic tools force teams to adapt their processes. We build custom web apps designed around your exact business logic and user needs.
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Scalability & Performance Bottlenecks
As usage grows, many web apps slow down or break. Our custom web application development focuses on scalable architecture and performance from day one.
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Poor User Experience & Low Adoption
If users struggle to use your app, they won’t adopt it. We design intuitive, role-based interfaces that improve usability and drive engagement.
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Integration Limitations
Disconnected systems create inefficiencies. We develop custom web apps that integrate seamlessly with third-party tools, APIs, and internal systems.
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Security & Data Concerns
Handling sensitive data requires robust security. Our custom web app development follows best practices for authentication, authorization, and data protection.
Our Custom Web App Development Services
Custom Web App Architecture & Strategy
We define the right technical architecture based on your business logic, scalability needs, and long-term product roadmap.
Frontend Web App Development
We build fast, responsive, and user-friendly web app interfaces using modern frameworks like React, Vue, Next.js, and Nuxt.js.
Backend & API Development
Our backend systems are robust, secure, and scalable—handling business logic, authentication, data processing, and integrations.
Dashboard & Admin Panel Development
We develop custom dashboards and admin panels that make complex data easy to manage and understand.
Third-Party Integrations
We integrate your web app with CRMs, payment gateways, analytics tools, and other third-party services to streamline operations.
Performance, Security & Scalability
From optimized databases to secure authentication, we ensure your custom web app is built to perform reliably at scale.
Ongoing Support & Enhancements
We provide post-launch support, feature enhancements, and technical improvements as your product evolves.

Tech & Tools
At Convex, we blend world-class design tools with a powerful engineering stack to deliver fast, scalable, and future-ready digital products. Every project is crafted with precision, built on reliable technologies, and optimized for long-term growth.
Frontend technologies

React
A reliable framework for building scalable, dynamic interfaces and high-performance web apps.

Next.js
A React-based framework used for high-performance, SEO-friendly web applications with server-side rendering and static generation.

Vue.js
Lightweight, flexible, and perfect for modular, fast-loading applications with smooth user experiences.

Nuxt.js
A Vue-based framework designed for scalable, SEO-optimized applications with advanced routing and performance capabilities.
Backend technologies

Node.js
Efficient and event-driven—great for real-time systems, APIs, and scalable backend services.

.NET
Enterprise-grade framework for secure, large-scale applications with robust performance.

Django
A powerful Python framework known for rapid development, clean architecture, and security.
Database

MongoDB
A flexible NoSQL database ideal for products requiring scalability and rapid iteration.

PosgreSQL
A reliable, enterprise-level SQL database used for mission-critical systems and strong data consistency.
DevOps & infrastructure

Docker
Ensures consistent, containerized environments that improve performance, scalability, and deployment speed.

AWS
Cloud infrastructure built for global scale—used for hosting, storage, security, and powerful cloud services.

Azure
Enterprise-ready cloud platform enabling secure, resilient, and future-proof deployments for businesses of all sizes.
Web app development — Starting at

FAQ
Custom web app development is the process of designing and building web applications tailored to specific business workflows, users, and goals—unlike off-the-shelf or template-based software.
Custom web apps offer greater flexibility, scalability, performance, and security. They are built around your business logic, integrate with existing systems, and scale as your business grows.
We build SaaS platforms, internal tools, dashboards, admin panels, customer portals, and data-driven web applications tailored to business needs.
We use modern frameworks and technologies including React, Vue.js, Next.js, Nuxt.js, Node.js, .NET, Django, MongoDB, PostgreSQL, Docker, AWS, and Azure.
Timelines typically range from 6 to 12 weeks, depending on complexity, features, integrations, and testing requirements.
Absolutely. We design scalable architectures that support new features, increased traffic, and growing data volumes without major rework.
We follow best practices for authentication, authorization, data protection, and secure infrastructure setup to ensure your web app is protected against vulnerabilities.
Yes. We provide ongoing support, performance monitoring, updates, and feature enhancements after launch.
You can get started by booking a discovery call or sharing your project requirements. We’ll evaluate your needs and recommend the best approach.

