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Web Application Development

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    RabIT Web Application Development Services

    Discover RabIT’s web application development services for companies that need reliable, scalable, custom-built products. From early-stage concepts to enterprise-grade platforms, we build web applications that fit your processes, users, and long-term goals.

    Our team delivers full-stack web development end to end: product discovery, UX/UI design, frontend and backend engineering, QA, and release management. We build responsive, accessible interfaces and robust architectures that perform consistently across devices and browsers.

    We also support cloud-ready delivery, including infrastructure setup and scalable deployments to improve performance and reliability as your usage grows.

    After launch, we provide ongoing maintenance, regular updates, and technical support. Our internal source code review and strict code quality standards help keep your application clean, secure, and maintainable over time.

    Case Studies Get a quote

    Technologies

    Java Java logo
    Spring Boot Spring Boot logo
    PHP PHP logo
    Laravel
    C# .NET CNet
    Node.JS Node.JS
    Python Python
    GoLang GoLang
    React React Native
    Angular Angular
    Vue.JS Vue.JS
    JavaScript JavaScript logo
    TypeScript TypeScript logo
    AWS AWS
    Microsoft Azure Microsoft Azure

    Our Web Application Development Services

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    UX/UI Design Services

    If a web application feels slow or hard to navigate, users leave. Our UX/UI designers create clear flows, intuitive navigation, and modern interfaces that improve usability and conversion while keeping the product consistent with your brand.

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    Cloud Application Development Services

    We help you build cloud-native applications and integrate cloud services into existing systems. Our engineers design scalable architectures and infrastructure that support growth, stability, and predictable operations.

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    Full-Stack Web Development

    From the user interface to APIs and databases, we cover the complete build. You get a dedicated team that can handle planning, implementation, QA, and delivery resulting in custom web applications that are robust, responsive, and easy to evolve.

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    eCommerce Development and Design

    We build custom e-commerce solutions, marketplaces, and webshops with a strong focus on user experience and performance. Our goal is to create online stores that are fast, mobile-friendly, and built to convert.

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    Code Quality Standards

    We follow a strict engineering process aligned with Google-style coding standards. Every feature goes through peer review, helping ensure readable, maintainable code and smoother future development.

    Explore our Web application projects

    Expressly

    E-commerce loyalty platform MVP development that included plugin development for multiple existing e-commerce platforms as well as implementation of data transmission.

    Web Application Development • United Kingdom • Online retail

    Auchan

    Candidates can browse job opportunities on the portal, apply for open positions and track the status of the application.

    Web Application Development • Hungary • Retail trade

    Cascade

    Web-based event planning and management tool for organizers around the globe.

    Custom Software Development • Web Application Development • Hungary • Technology

    Colas

    Our client is the Hungarian subsidiary of one of the largest road construction companies in Europe. The first objective was to conduct an analysis of the base application and rewrite it in a modern environment while also incorporating new functionalities.

    IT Staff Augmentation • Web Application Development • Hungary • Construction

    Asset Management Application for Hungarian Asset Management Firm

    The web and mobile application designed for a Hungarian Asset Management Firm aims to allow users to quickly and easily review the market value of their portfolios and related information.

    Custom Software Development • Mobile Application Development • Web Application Development • Hungary • Advisory and Financial Services

    web and mobile application case study

    AquaQuote

    Our client is a membrane filter wholesale business from San Diego, California who needed a webshop solution. The client had already started developing their first MVP version with a local provider, but well into the project they made the decision to search for a new development team.

    Web Application Development • United States • Wholesale trade

    AquaQuite - Webshop Solution

    AgroOroszi

    An agricultural E-commerce website with integrated stock management, invoicing and delivery management.

    Web Application Development • Hungary • Wholesale trade

    Leonardo

    Leonardo is a web-based administration portal created for management purposes of a casino.

    Web Application Development • Liechtenstein • Entertainment

    Photo of Casino Admiral Ruggell Project

    Xerolag

    Xerolag is a blog and social media content planning application that uses artificial intelligence to create targeted, relevant and optimized content for your target audience.

    Mobile Application Development • Web Application Development • United States • Technology

    Solutions We Deliver

    check Bespoke Web Applications

    When teams rely on too many tools, spreadsheets, and manual workarounds, a bespoke web app can consolidate workflows into a single system. We build tailored applications with responsive UX and maintainable code.

    check SaaS Platforms

    We develop SaaS products designed to scale from the first release to a mature platform. Our full-stack approach covers UX/UI, frontend and backend development, and cloud-ready foundations for long-term growth.

    check Customer Portals and Dashboards

    Give customers a single place to access information, request services, and track progress. We build user-friendly portals with clear navigation and responsive design so users can find what they need quickly.

    check Internal Tools and Workflows

    Reduce admin overhead by streamlining approvals, data entry, reporting, and operational tasks. We create internal web applications that cut manual effort, improve visibility, and match how your team works.

    check Enterprise Platforms

    For complex organisations, we deliver enterprise-grade web applications built for performance, reliability, and maintainability. We can support sophisticated requirements with scalable infrastructure and strong engineering standards.

    check Startup MVP Development

    Validate ideas fast with an MVP that is user-focused and ready for the market. We help prioritise features, launch without overbuilding, and keep the foundation strong for future iterations.

    check Progressive Web Apps (PWA)

    PWAs combine the reach of the web with an app-like experience. We build fast, responsive PWAs that work smoothly across devices and can support offline usage when needed.

    Our Web Application Development Process

    Kickoff

    If needed, we sign an NDA, then align on goals, requirements, and success criteria.

    1

    Offer and contract

    We prepare a project offer (scope, roadmap, estimates, pricing), then sign the development contract.

    2

    Team and infrastructure setup

    We assemble the team and set up communication, project management, version control, and QA tooling.

    3

    Sprint based development

    We deliver in short iterations (usually two-week sprints, sometimes one-week cycles).

    4

    QA, code review, and release

    Each feature is tested, reviewed by a senior developer, then prepared for release.

    4

    Demo and go-live:

    We present results in live demos and, once approved, deploy to end users.

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    Frequently Asked Questions

    Let's talk with us

    Web application development services cover the planning and development of custom browser based software, from frontend and backend implementation to UX/UI and responsive design, cloud infrastructure, and post launch maintenance and support.

    We develop custom, scalable web applications from scratch, tailored to your business needs, whether you need a complex enterprise system or a personalised web app. Development follows a full stack approach with responsive interfaces, and can include cloud infrastructure (AWS, Microsoft Azure) when needed.

    Our web application development offering includes responsive UI/UX and UX/UI design, cloud solutions and infrastructure development, full stack development, eCommerce development and design, plus strict code quality standards with built in source code review.

    Our process typically starts with an NDA and requirements alignment, followed by an offer and contract. Next comes team and infrastructure setup, sprint based development, continuous QA and senior code review, and finally a demo and go live.

    Yes. We provide ongoing maintenance, regular updates, and technical support, and ensure code quality with strict standards and source code review.

    Get in touch with us

    Contact Information

    Let’s discuss your project!

    Sales

    +36 70 620 1660 - Hungary

    +1 424 253 0788 - California

    [email protected]

    California, 90401 Santa Monica, Santa Monica Blvd Suite 222.

    Hungary, 6724 Szeged, Cserzy Mihály street 30/B

    Hungary, 7623 Pécs, Tüzér street 13.

    Hungary, 1065 Budapest, Bajcsy-Zsilinszky Blvd 57.

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      What our customers are saying

      The team’s resourcefulness is a boon to the endeavor, as they only require a broad idea of the task in order to commence work.

      Picture of Kai Tonder

      Kai Toender

      Norway

      RabIT goes the extra mile. They were always transparent with workflow and tasks, but the effort they put in truly set them apart from other agencies.

      Picture of Daniel Colomer

      Daniel Colomer

      FIGO GMBH, Germany

      The RabIT software engineering team is versatile, reliable, and has produced quality work.

      Picture of David Talbot

      David Talbot

      San Francisco, California

      It takes a special company for me to set aside time for a glowing review.

      Picture of Matt Stormoen

      Matt Stormoen

      Los Angeles, California

      We chose RabIT because they were more flexible, easy to understand, and more transparent than the others.

      Picture of Tamas Szalai

      Tamás Szalai

      Budaörs, Hungary

      It was a much easier process than I expected. They’re excellent communicators and very detail-oriented; you don’t have to read in-between the lines.

      Picture of Stephanie Simons

      Stephanie Simons

      Allen, Texas

      I think the RabIT team is doing a superb job for us. I have been working with outsourced
      development firms for almost 20 years and this is my best experience to date.

      Picture of Josh C Kline

      Josh C. Kline

      Los Angeles, California

      I have had several websites created in my life, but by far, this is the most professional team I have ever worked with.

      Picture of Zoltan Abry

      Zoltán Ábry

      Eger, Hungary