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Diverse Domains


Web Apps Developed


Web App Developers


On Time Delivery

Web Development company

"Digital transformation made easy: Get a killer web app."

Zealous System is a top custom web application development company that serves a range of innovative and high-quality web development services to businesses of all sizes. We have a team of highly skilled and experienced web developers who specialize in developing custom web applications that are tailored-made.

We have expertise in a variety of web development technologies and platforms, including PHP, Laravel, React, Node.js, and Angular. Whether clients need a new web application or want to revamp an existing one, our custom web application development services can help businesses improve their operations and boost their bottom line.

Get to know us!
Web Development

Our Expertise in Key Web App Development Services

“Minimize distractions, maximize results.”

  • Zealous System has a team of experienced developers who specialize in MEAN/MERN stack development having expertise in MongoDB, Express.js, Angular/React, and Node.js.
  • We follow an agile methodology for our web app development services, which ensures that the project is delivered on time and within budget.
  • Our quality assurance team performs rigorous testing and quality checks to ensure that the app meets the highest standards.
  • Zealous System offers post-development maintenance and support services to ensure that the app remains up-to-date and fully functional.
  • Our MEAN/MERN web app development services are competitively priced, making them accessible to businesses of all sizes.
  • Zealous System has expertise in the LAMP (Linux, Apache, MySQL, and PHP) stack and offers LAMP app development services for businesses of all sizes.
  • Zealous offers end-to-end LAMP app development services, including web app design, development, testing, deployment, and maintenance.
  • As a top web development company, We have a proven track record of developing successful LAMP web apps for various industries, including healthcare, e-commerce, education, and more.
  • We follow agile development methodologies to ensure that LAMP web apps are developed quickly and efficiently, without compromising on quality.
  • We have in-house Java developers who specialize in developing robust, scalable, and secure Java applications that meet your specific business requirements.
  • Zealous System’s Java development services include application design, development, testing, deployment, and maintenance.
  • We have the latest Java technologies and frameworks such as Spring Boot, Hibernate, Struts, and others to build high-performance and feature-rich applications.
  • We give end-to-end Java web development services, from ideation to deployment and ongoing maintenance and support.
  • We have competitive pricing for your Java app without compromising on quality, ensuring that you get the best value for your investment.
  • As a reputed web app development company, Zealous system offers various open source technologies such as PHP, Laravel, WordPress, Magento, Shopify, etc. This allows us to develop high-quality and scalable open source web applications.
  • Zealous system uses continuous integration and deployment (CI/CD) tools to automate the web app development process. This ensures that the open source application is developed and deployed efficiently.
  • We follow a collaborative approach with our clients. We involve the clients in every step of the web development process to ensure that the open source application meets their expectations.
  • Zealous system takes security seriously and implements various security measures to protect the open source web application from cyber threats.
Open Source

Our Custom Web Application Development Services

“No idea is too big or small for us.”

Web Application Maintenance

Custom Web Application Development

Based on your objectives and specifications, Zealous System will assist you in creating a custom web application from scratch. This covers testing, database design and development, and front-end and back-end development.

E-commerce Web Application

Web Application Maintenance and Support

To guarantee that your web application operates effectively and without interruption, Zealous System offers continuous maintenance and support services which includes performance enhancement, security patches, and bug fixes.

Web Application Integration

eCommerce Web Application Development

Partner with Zealous System to create a strong and secure eCommerce website application that can manage heavy traffic loads, intricate product catalogs, and safe online transactions.

Progressive Web Apps

Web Application Integration Services

As a top web app development company, We will integrate your online application with other systems and applications, such as databases, third-party software, and APIs.

Web Application Testing

Progressive Web Apps Development

At Zealous System, we specialize in creating cutting-edge Progressive Web Apps (PWAs) that deliver a seamless user experience across all devices and platforms. Our expert team of developers combines the la

Web Application Testing Services

Zealous provides comprehensive testing services for your web application, including functional testing, load testing, and security testing, to ensure that your application is reliable, scalable, and secure.

Technology Stack For Web App Development Solutions

"Reimagine what's possible with our creative technology stack."



  • Python


  • Magento


  • Shopify


  • CodeIgniter


  • WordPress


  • Java




  • Node.js


  • AR-VR


  • iBeacon


  • IoT


  • Wearable


  • Artificial Intelligence

    Artificial Intelligence

  • Chatbot


  • iOS


  • Ionic


  • Objective C

    Objective C

  • Flutter


  • React Native

  • Swift


  • Xamarin


  • Android


  • Kotlin


  • Adobe Photoshop

    Adobe Photoshop

  • Adobe XD

    Adobe XD

  • Illustrator


  • Sketch


  • HTML5


  • CSS3


  • Angular


  • Express.js


  • React


  • Vue.js


  • next.js


  • MySQL


  • Mongo DB

    Mongo Db

  • Mssql

    Ms Sql

  • Postgresql


  • Firebase


Process We Follow for Web Application Development Services

"Innovative. User-centric. Game-changing.”


Scope Analysis Process

  • Requirement Gathering
  • Detailed Scope Documentation
  • Wireframes
  • Technical Feasibility

Sprint Planning & Execution

  • Sprint Planning
  • Daily Standup Meeting
  • Designing & Development
  • Testing & Stage/Dev Deployment

UAT & Release

  • UAT Feedback & Bug Resolution
  • Deliver Well-crafted software
  • Deploy All Assets and Code


  • Knowledge Transfer to Client Team
  • Contract Based Support
  • Release Notes/User Manuals (If applicable)

Why Zealous As A Top Web App Development Company?

Zealous System is top-rated web application development company that offers quality web development services. Here are the key reasons to choose zealous are experienced team, quality services, customer satisfaction, cost-effective solutions, Agile development methodology, timely delivery and much more.

Domain Experience

We have a team of expert web app developers in the specific industry/domain to ensure effective problem-solving and decision-making.

Functional Experts

Zealous has individuals with specialized knowledge in specific areas such as marketing, finance, or human resources who can bring value and expertise to the project.

Truly Agile

Adopting agile methodologies allows for flexibility, adaptation, and continuous improvement throughout your project’s lifecycle.

Latest Technologies and High Standards

Zealous incorporates the latest technologies and adhering to high standards ensure that the project is innovative, efficient, and effective.

Integrity & Transparency

We uphold ethical principles and are transparent in all communications and actions which builds trust and strengthens relationships between team members and stakeholders.

Extensive QA Process

Rigorous testing throughout the development process to ensure that the project is error-free, functional, and meets the expected standards.

Real-time Communication

Effective communication, whether in-person or virtually, takes place to ensure collaboration, problem-solving, and timely decision-making.

Goal-Oriented Workflow

We establish clear goals, objectives, and timelines for each phase of the project which helps in ensuring that the team stays on track and delivers results on time and within budget.

Our Case Study

"From idea to implementation: Our expertise in web application development to achieve success"

School Intelligence Solution

School Intelligence Solution

View Case Study
Business Intelligence and Planning Solution For Accounting Systems

Business Intelligence and Planning Solution For Accounting Systems

View Case Study
Performance Gauging System for Hospital Staff

Performance Gauging System for Hospital Staff

View Case Study
IoT based Management System to Extract Information from DRM Devices

IoT based Management System to Extract Information from DRM Devices

View Case Study
IoT Based Vehicle Tracking and Traffic Surveillance System

IoT Based Vehicle Tracking and Traffic Surveillance System

View Case Study
Let’s achieve your project's full potential.
Find Out More

Custom Web App Development Solutions in Various Verticals

"Web app development solutions as unique as your business."

Our Podcasts

Client Testimonials

Clutch Goodfirms

I have used Zealous for several of my projects, I have found the team to be very professional yet personable. When I work with Zealous, I know I am getting the best developers who understand my requirements before they start.

Andrew Arlington

Andrew Arlington

Sales Director at Digital Dilemma

I was retained by a client as a Software and Cloud Architect to support internal and customer-facing products. The client had existing mobile apps of poor quality built by another provider.

John Bentley

john bentley, II

CTO at 10XTS

From day-1 Pranjal and his team have been very good at delivering quality work on time to budget. They are dynamic, if resources need to be shuffled around depending on what work needs to be done.

Graham Bradford

Graham Bradford

Senior Product Manager at Ecentric Payment Systems Driving

Frequently Asked Questions

“We built strategies before development that work just for you.”

How can I ensure that my custom web app is secure?

Our expert web app developers take care of industry-standard security procedures such as secure authentication, data encryption, and regular security assessments to make sure that your custom mobile app is safe.

What are the benefits of web app development services?

The advantages of using web application services include more specialized features, enhanced user experiences, increased security, better system integration, and increased scalability. Being a web application development company in the USA, we differentiate ourselves from the competition and cater to the unique requirements of our clients by developing custom apps.

What is the cost of custom web application development services?

The cost of a project is influenced by several factors, such as its size, the number of resources required, the technology stack used, the complexity of the product, and the development process. To obtain further information on this matter, please contact our business development team at info@zealousys.com

How do you take care of intellectual property rights?

At the outset of every project, we establish a Non-disclosure agreement with each client to uphold strict confidentiality standards. Our commitment to safeguarding our clients’ information and intellectual property is of the utmost importance to us, and we take every precaution to ensure that it remains secure and private.

What types of web applications can Zealous System develop?

Zealous System offers expertise in developing a wide range of web applications, including e-commerce platforms, content management systems (CMS), customer relationship management (CRM) systems, enterprise web applications, social networking platforms, and more. Our team of experienced back-end developers and front-end developers can tailor the solution to meet your specific business needs.

  • Zealous Goodfirms
  • Zealous Clutch
  • Microsoft Partner
  • Google Agency Partner
  • D & B Partner
  • Adobe Solutions