Web Development Services

Stable and scalable web applications to build your competitive advantage

web app development services

In the fast-evolving digital landscape, your web application is more than just an online presence; it's a pivotal element of your competitive advantage.

Over the last 12 years, we helped over 400+ companies build and scale digital products that users love.

Web app development services

Covered from the beginning to the end by top-class tech and business experts.

Tech Consultation

Select the optimal technology stack based on your technical and business requirements with our proven processes and agile project management.

From Scratch to Launch

Transform your vision into a market-ready product that aligns with your technical and business objectives.

Optimization and Scaling

Expand functionalities and enhance performance to meet the latest standards.

Legacy Code Maintenance and Optimization

Boost user retention and satisfaction with our code maintenance, bug fixing, and performance tweaking services.

Headless CMS Integration

Leverage CMS solutions like Sanity and Contentful for dynamic e-commerce experiences, powered by Shopify's headless CMS.

Why choose web development with EL Passion?

Rapid Development for MVPs

Specializing in backend and frontend using modular monolith architecture applications to accelerate your MVP to market and prepare for future growth.

SEO-Friendly Builds with Next.js

Boost your online visibility with our Next.js-based projects, ensuring your site is fast, SEO-friendly, and adheres to the highest performance standards.

Comprehensive Design System

From accessibility to European testing standards, our design system utilizes ready-made blocks for efficient and scalable UI.

Safety and Security

Our development process guarantees that all communications are secure, keeping your data safe.

Fast Setup

We can start ready-made components that allow us to focus on the custom aspects of the project.

Multilingual Scalability

Easily extend your application to accommodate multiple languages, enhancing your global reach.

4,8/5 on Clutch based on 58+ client reviews

Consult your ideas with top-class web development experts

Book a free consultation

Working with EL Passion means

A full product team onboard

UX designers, Product Designers, Agile Product Managers, Full-Stack Developers, and DevOps, all dedicated to turning your idea into the best possible solution.

MVP experience

We are a team focused on business perspective, understanding your business goals, and translating it into our tech approach.

Stable application architecture

A well-developed architecture and documentation will save you time and money later.

Frequent releases

Pre-build components and our design system let our team deliver more in each sprint.

Combining out-of-the-box and custom solutions

Optimize your budget by combining third-party tools, out-of-the-box solutions, and custom web development.

Top-class quality assurance & automated testing

We ensure your product meets the highest standards of performance, reliability, and user satisfaction before release.

Companies that trusted us with their web development

Our web development expertise

Front-end Development

Front-end development is there to transform your web app designs into a working and user-friendly interface to attract your users on all screens, mobile and desktop.
Our Frontend team will take care of your app’s pixel-perfect implementation, responsive web design, performance, and usability

Back-end Development

Back-end development is crucial to ensure your app’s top performance. Our team will help you set up a stable and scalable infrastructure for your web app, create APIs from scratch, or integrate your app with third-party solutions.

DevOps Services

DevOps services help developers set up the app’s infrastructure for the best performance and product scalability.
At EL Passion, we involve DevOps at the beginning of every project to ensure seamless delivery and development right from the start.

Technologies that power our web development




Ruby & Ruby On Rails







We are ready for new challenges.

Let's build your next big thing together.

Book a free consultation


All you need to know about custom web development services.

The first thing to consider when choosing a potential partner for your web app development is to check their tech stack, past web app projects they’ve been involved in, testimonials and reviews from past clients.

For many business people the key factor of a fruitful cooperation is trust. Search for companies and people who will not promise you things that are too good to be true, and will be honest about certain tech solutions’ constraints, as they are honest about their benefits.

An easy way to vet your web app development company and their credibility is usually a call with one of the team members, so you can ask questions,

In web development, key technologies include JavaScript and TypeScript for dynamic content and scalable applications, React for building reusable user interfaces, and Next.js for server-side rendering to enhance performance and SEO. React Testing with tools like Jest ensures component reliability. Ruby & Ruby on Rails provide a dynamic language and framework for rapid application development. Node.js is essential for server-side scripting, making web applications efficient, while NestJS, leveraging TypeScript, offers a framework for constructing scalable server-side applications. These technologies form the core toolkit for modern web development, covering both client and server-side needs.

SEO is crucial in web development as it ensures websites are discoverable by search engines, improving visibility and traffic. Effective SEO practices, including responsive design, fast loading times, and keyword optimization, enhance user experience and website ranking. Integrating SEO from the development phase helps in structuring content and coding practices that are search engine friendly, leading to better online presence and potentially higher conversion rates. Therefore, incorporating SEO strategies is essential for any website looking to achieve and maintain a competitive edge in the digital marketplace.

Web development and software development are both crucial fields in the tech industry, each with distinct focuses. Web development specializes in creating and maintaining websites and web applications, utilizing technologies like HTML, CSS, JavaScript, and frameworks such as React and Angular. It's primarily concerned with the internet and browser-based solutions. Software development, on the other hand, encompasses a broader scope, including web development but also extending to desktop applications, mobile apps, and system software. It involves programming languages like Python, Java, and C#, and requires a deeper understanding of software design, user interface, and experience across platforms and devices. Both fields require critical thinking and problem-solving skills, but they cater to different digital environments and user needs.

The completion time for a web development project varies significantly, depending on the project's scope, complexity, and specific requirements. Small projects, such as simple websites, can take a few weeks, while more complex applications, like custom web applications, may require several months to over a year. Factors influencing the timeline include the number of features, the level of customization, the technology stack used, and the team's size and expertise. Effective planning, clear communication, and agile development practices can help manage timelines efficiently. Ultimately, understanding the project's scope and setting realistic milestones are key to estimating the completion time accurately.