Front-end development services

Our clients across industries

Deliver the best user experiences combining your ideas and our front-end expertise

As a trusted provider of front-end development services, N-iX offers a comprehensive range of engineering services designed to meet your business and technology needs. Our front-end expertise covers the creation of intuitive, responsive, and scalable applications, leveraging a wide range of technologies, including HTML5, CSS3, and JavaScript frameworks like React, Angular, and others to streamline your UX and modernize your front-end. We specialize in delivering single-page applications, progressive web apps, and cross-platform solutions tailored to enhance user experiences.

N-iX brings the power of 200+ front-end engineers, with many certified in Microsoft 70-480 Programming in HTML5 with JavaScript & CSS3. Our tech experts are selected based on the N-iX Competence model, ensuring that you work with highly skilled professionals. We also manage front-end talent through dedicated React and Angular communities at N-iX, consisting of over 150 React engineers and more than 50 Angular engineers, ensuring constant knowledge sharing and industry best practices across teams.

In addition to development, we offer full-cycle support, including maintenance, upgrades, and optimization and modernization of existing front-end solutions. With N-iX, you gain access to top front-end engineers across our global locations in Europe and the Americas, ensuring that your projects are delivered with both speed and excellence.

Our front-end development services

Custom front-end development

We provide engaging and responsive user interfaces tailored to business needs using technologies like HTML5, CSS3, and various JS frameworks for seamless web experiences.

Front-end app modernization

We develop and implement custom modernization strategies during the production run of your solution. Keeping up the front-end part of your solution with the pace of the digital world.

Application modernization

UI/UX design and development

We can help you increase your user satisfaction through intuitive and spotless UI/UX design, creating seamless interactions and visually appealing interfaces that enhance engagement.

UI/UX design

Progressive web apps (PWA) development

We combine the best of web and mobile applications through PWA development, ensuring high performance, offline functionality, and a native-like experience.

Micro frontend development

We break down complex applications into micro frontends—modular, independently deployable components, thus enhancing both agility and performance.

Micro frontend development

Front-end frameworks we use to address the challenges of our clients

N-iX experts are proficient in a wide array of front-end frameworks. Within our front-end development services,
we thoroughly assess the complexity and scope of your project to recommend the most suitable
tech stack or solution. Whether it's a large-scale project or a specific task, we ensure the most effective
approach to meet your needs. If existing frameworks do not meet your specific needs, we have the
expertise to develop a tailored, custom solution.

React

Angular

Vue.js

Next.js

Gatsby

Svelte

Nuxt.js

Ember.js

Remix

Our front-end development process

1

Wireframing and design

UI/UX design and prototyping
Interactive wireframe creation
User journey mapping
Visual design with responsive layout

2

UI development

Custom front-end development services using React, Angular, Vue.js, and others
Component-based architecture design
Real-time communication via WebSockets
Implementation of animations and interactive elements
RESTful and GraphQL service integration

3

Performance optimization

Lazy loading of assets and components
Code splitting and bundling optimization
Image and asset compression
Client-side caching mechanisms

4

Cross-browser and cross-device testing

Testing on major browsers (Chrome, Firefox, Safari, Edge)
Mobile and tablet device compatibility testing
Debugging cross-browser inconsistencies
Responsive design testing for various screen sizes
Accessibility and usability testing

Featured case studies Case studies

Digital Transformation

Design and development of Digital Experience Platform for telecom

Kingdom of Saudi Arabia

UI/UX

Designing an intuitive UI for effective product demand forecasting in retail

USA

Big Data

Facilitating shopping experience and increasing sales for a luxury store chain

USA

Cloud Solutions

Effective price management in retail for excellent customer experience

Netherlands

UI/UX

Software platform and UI/UX development for a leading gate and fence lock manufacturer

Belgium

Software QA & Testing

Revolutionizing smartwatch user experience with comprehensive digital products

Switzerland

Show All Cases

What our clients say

The team is highly professional, and their skill set is right on point.

Csaba Nagyidai

Lead developer

They adapted to our organization very quickly, and we get very good cooperation. We see them as part of our team, rather than just another vendor that we have to manage.

Petronella Gottholdsson Lawin

Sr. VP of Technology & Services

The team at N-iX is full of true creatives, they are inspired and excited about their projects.

Andrew Trese

CEO

FAQ

What is custom front-end development, and how can it benefit my business?

Custom front-end development focuses on building user interfaces tailored to your unique business requirements. This approach ensures optimal performance, seamless user experiences, and compatibility across all devices and browsers. In a highly competitive market, a modern and responsive front-end is crucial for improving user engagement and satisfaction, giving your business a competitive edge.

What are the benefits of using micro front-ends?

Micro front-end development breaks down complex applications into smaller, independently deployable components, enabling parallel development and faster time-to-market. This approach fosters greater scalability and allows for more robust applications by diversifying development across multiple teams. Each team can focus on specific features independently, resulting in easier maintenance and the ability to implement updates without affecting the entire application.

How can front-end quality be ensured across different browsers and devices?

Ensuring front-end quality across various browsers and devices requires a rigorous approach, including comprehensive testing on major browsers like Chrome, Firefox, Safari, and Edge and different devices such as desktops, tablets, and mobile phones. For instance, at N-iX, by incorporating automated testing, we streamline the process, reduce regression testing costs, and ensure consistent performance and a seamless user experience across all platforms.

What is Progressive Web App (PWA) development, and how does it differ from native apps?

Progressive Web Apps (PWAs) work offline, load quickly, and provide a native app-like experience without the need for app store downloads, making them an excellent choice for businesses seeking high performance and accessibility across devices. Native apps, at the same time, remain the preferred choice for applications requiring deep integration with device hardware or high-performance requirements.

Can a front-end web application be migrated to a desktop application?

Yes, a front-end web application can be migrated to a desktop application using frameworks like Electron. Electron allows developers to create cross-platform desktop applications using web technologies such as HTML, CSS, and JavaScript. With Electron, your web app can be packaged as a standalone desktop application for Windows, macOS, and Linux, while retaining the same functionality and user experience.