Front-End Development Services

High-quality front-end development combines a deep knowledge of a progressive tech stack, experience delivering first-class design, and an understanding of consumers and their needs. Our front-end development services meet all the necessary criteria. With S-PRO, you can increase user engagement and boost conversion rates. Looking for a front end developer in Switzerland or the EU? Learn more about our services to make the right decision.
Front-End Development Services

Our Clients

Front-End Development Services We Provide

The interface is the first thing users see and interact with when using your solution. Ensure they get a strong positive impression and a rewarding experience that will improve their perception of your product. Our company has extensive experience in front-end development and use a progressive tech stack, which allows you to make your application user-friendly and responsive. Check out our front-end development services.

Custom Web Application Development

Imagine a web application that meets all your business needs and work processes. Our specialists will create a progressive custom solution, allowing you to control each development stage. Our frontend web development company will thoroughly study your firm and the market to design and develop the perfect product — on time and within budget. It can be an analytics and reporting tool, e-commerce app, etc.

Progressive Web Apps (PWA)

What do Pinterest, Starbucks, and Spotify solutions have in common? All of them are progressive web applications that provide an app-like experience with offline access, fast downloads, and push notifications. You can create a similar one for your business. Our front end development company will develop an application that will reach the maximum number of users, including those with an unreliable Internet connection or little memory on their devices.

Single-Page App Development (SPA)

One-page programs allow you to load one HTML page and dynamically update its content during interaction. This technology makes Gmail, Netflix, and Airbnb so user-friendly. S-PRO will help you create a similar solution to ensure smooth and prompt user interaction with the program. This is especially important for web applications that require high interactivity. However, such front-end development services require high skill, so we recommend contacting our experienced developers.

Mobile App Development

Thinking about front-end development services for mobile? We'll help you build any desired platform, whether native (for iOS or Android), cross-platform (for multiple platforms), or hybrid. At the same time, our frontend web development company will analyse the needs of your company, competitors, and target audience to help you find the right solution. In any case, the program will be intuitive, responsive, and with all the necessary functionality.

UI/UX Design

UI/UX design is not only the creation of the general app aesthetics, the choice of colours and typography, and the development of interactive elements. These front-end development services are primarily about researching the consumer and understanding their needs and behaviour. Such an in-depth approach allows you to create convenient navigation and effective user flows. Our front end development company knows how to make a product that looks great and offers a seamless user experience.

Front-End Testing and Quality Assurance

Ensure external software components meet user expectations and offer a positive user experience. Our front end development company will help identify and solve problems. In addition to functional, UI/UX design, compatibility, performance, and accessibility testing, we'll review code, analyze front-end compliance with project requirements, and implement CI/CD pipelines to automate testing and deployment.

Our Front-End Development Company Process

Our frontend web development company adhere to the Agile approach, which focuses on constant communication and cooperation with the client, as well as the possibility of rapid changes. We regularly hold intermediate product presentations to keep you informed and able to suggest any improvements. The front-end development services require a clear sequence of actions, the duration of which depends on the project's complexity. A typical process includes the following steps:
Discovery Stage
  • Gathering project requirements and objectives
  • Conducting competitor analysis and market research
  • Defining the target audience and user personas
  • Creating a project plan with milestones and timelines
  • Identifying key features and functionalities
  • Collaborating with stakeholders to align project goals
Design and Prototyping
  • Developing wireframes and layout sketches
  • Creating high-fidelity mockups based on wireframes
  • Designing interactive prototypes to illustrate user flows
  • Establishing a visual design system with colour schemes and typography
  • Gathering feedback from stakeholders and conducting usability testing
  • Finalising design assets with graphics and iconography
Front-End Development
  • Writing HTML, CSS, and JavaScript code to create UI
  • Ensuring the app's responsiveness for various devices
  • Implementing UI components like buttons, forms, and navigation menus
  • Integrating animations and transitions
  • Leveraging front-end frameworks or libraries like React, Angular, or Vue.js
  • Conducting code reviews to maintain its quality and consistency
Testing and Quality Assurance
  • Performing functional testing to validate user interface features
  • Conducting usability testing to assess UX and accessibility
  • Checking cross-browser compatibility
  • Evaluating the application's performance and load times
  • Identifying and addressing issues, bugs, or inconsistenciess
  • Employing security testing to protect against vulnerabilities
Deployment and Integration
  • Deploying the front-end to the production environment
  • Integrating the front-end with the backend server and databases
  • Connecting to external services and APIs
  • Testing data flow between the user interface and the backend
  • Setting up monitoring and error-tracking systems
  • Ensuring the application's reliability and scalability
Maintenance and Continuous Improvement
  • Addressing and fixing identified bugs and issues
  • Implementing updates and new features
  • Monitoring application performance, server uptime, and user engagement
  • Conducting regular security audits and applying necessary patches
  • Optimising front-end code and assets for better performance
  • Collaborating with stakeholders to plan future enhancements

Case Studies

All cases

Contact Us

We would like to know more about your request. Let's schedule a free estimation call and discuss the next steps.
Fill out the form or email us at
Zurich, Switzerland
Poststrasse 5/7, 8001
Zug, Switzerland
Dammstrasse 16, 6300
R&D Centers
Lodz, Poland
Zachodnia 70, 90-403
Lviv, Ukraine
Heroiv UPA 71, 79000
Kyiv, Ukraine
Verkhnii Val St, 24, 04071
Business Representatives
Let’s discuss you project
Zurich, Switzerland
Poststrasse 5/7, 8001
Zug, Switzerland
Dammstrasse 16, 6300
R&D Centers
Lodz, Poland
Zachodnia 70, 90-403
Lviv, Ukraine
Heroiv UPA 71, 79000
Kyiv, Ukraine
Verkhnii Val St, 24, 04071
Business Representatives


Partnering with S-PRO, you can come to our office in Zurich and meet the team in person. We have experience delivering front-end development services for Swiss companies and local market knowledge. Also, we will be able to work and be in touch at a time convenient for you.

    By choosing front end development outsourcing, you gain access to a global pool of personnel, reduce time-to-market, and avoid personnel and administrative expenses. In addition, you can find specialists with niche skills and experience in your industry. For example, our front end development company works in many areas, including fintech, healthcare, logistics, hospitality, manufacturing, renewable energy, etc.