JavaScript Services

At Relevant, we have been delivering exceptional end-to-end JavaScript development services for 10 years. We are committed to supporting the growth of both established businesses and emerging startups by creating remote full-stack JavaScript development teams that cater to their unique requirements.

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Client testimonials

«We now have a core team of engineers at Relevant who work for us full-time and are supplemented by 4 or 5 engineers with different skillsets when and if required.»

Paul Carse

CTO and Co-founder of Life Moments

“Working with you guys has been fantastic. The level of expertise of your development team is as good as the people that we get in the UK. You’ve got a fantastic talent base of programmers. It’s more challenging to find people of that quality in the UK.”

Cassian Harrison

Co-founder of Splink Industries and My Theory Test App by James May

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Full-stack JavaScript development services we provide

Frontend development

We’re at your service to craft an engaging and visually appealing user experience that your audience will love. Our expertise spans popular frameworks such as React.js, Angular.js, and Vue.js, ensuring a seamless and professional front-end development process tailored to your project's needs.

Backend development

Our experienced team will carefully select the ideal technology stack and adhere to the current industry best practices. Utilizing tried-and-true tools and technologies such as Node.js, PHP, Python, or Ruby, we ensure a robust and reliable back-end for your web application.

API integration

Relevant’s skilled professionals excel at developing and integrating APIs, fostering seamless and secure connections between your systems and applications. Our expertise in full-stack JavaScript development service ensures efficient and reliable communication pathways for your digital infrastructure.

Database design

Our experienced database architects are committed to designing effective data storage and replication solutions that enhance the performance of your backend. With a thorough approach to database design, we ensure the optimal functioning and efficiency of your web application's infrastructure.

Tech Stack

Our priority lies in harnessing cutting-edge technologies to create agile and secure web solutions tailored to your needs. Every product we develop is designed for seamless cloud deployment, further enhancing performance and ensuring maximum uptime for an outstanding user experience.

Node.js

React.js and React Native

Angular

Vue.js

TypeScript

JavaScript

PHP

Python

Java

Flutter

Kotlin

Swift

.NET

Objective-C

AWS

Google Cloud

Infrastructure

AWS

Google Cloud

Microsoft Azure

IBM cloud

Heroku

Kubernetes

Docker

How our JavaScript development company differs

Agile approach

Embracing an agile approach, our JavaScript services feature a versatile team of experts ready to adapt to your evolving project requirements. Our dynamic pool of talent allows you to scale your team up or down, ensuring your project's success while maintaining optimal efficiency and professionalism.

Dedicated project manager

For each JavaScript development project, we assign a dedicated project manager who excels in orchestrating complex tasks while effectively planning and organizing the project workflow. Their expertise ensures a streamlined process, resulting in efficient project execution and successful outcomes.

Skilled and collaborative team

We boast a team of experienced and dedicated professionals who work in tandem with clients, understanding their vision and translating it into robust, scalable, and secure web applications that drive success.

Dedication to cutting-edge technologies

Relevant experts stay abreast of the latest industry trends and technologies, incorporating innovations to provide our clients with state-of-the-art, high-performing web applications.

Comprehensive service offerings

We deliver all-inclusive JavaScript development services that span the entire spectrum of web application development. Our comprehensive solutions cover front-end development, back-end development, API integration, and database design, among other essential services. This integrated approach enables us to provide a well-rounded and seamless web development experience tailored to your unique project requirements.

User-oriented design

Keeping the end user in mind, we meticulously craft user-centric UX designs and implement best-in-class usability practices to deliver exceptional experiences that cater to the needs of your customers, fostering satisfaction and engagement.

Our JavaScript development projects

FirstHomeCoach

Developing a SaaS platform that assists UK homebuyers

Fintech

View case

Kaizo

Gamifying customer support with a Zendesk app

Management

The Netherlands

View case

Airthings

Visualizing air quality sensor data in a web dashboard

IoT

Norway

View case

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Engagement models

Decide which model best suits your project

Dedicated team

Extend your staff with remote specialists that are fully under your control. We take care of their administration and professional development.

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Product development

Bring your idea and commission a product. We handle everything from business analysis through the development and the product launch.

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FAQ

What are JavaScript development services?

JavaScript development services include a wide range of solutions for building, maintaining, and optimizing applications with the help of this popular programming language. Typically, JavaScript development implies such services as front-end and back-end development, API integration, database design, and more. The diversity and large number of various JavaScript frameworks allow us to deliver custom-built, user-friendly, and high-performing web applications that meet our clients’ specific needs.

What using JavaScript for web development is beneficial?

JavaScript in web development offers numerous benefits. Its versatility as both a frontend and backend language allows our developers to streamline the development process. As such, it provides a vast ecosystem with plenty of libraries and frameworks that help speed up application development. Moreover, JavaScript enables seamless integration with other web technologies, so your JavaScript app will be compatible with other platforms. Also, its event-driven nature allows creating the efficient and high-performing web applications with an engaging and responsive user experience.

What is JavaScript in app development?

JavaScript is a versatile and one of the most well-known coding languages often used for building applications, including both client-side and server-side components. It helps developers build interactive and responsive user interfaces using its various libraries and frameworks. Additionally, JavaScript supports server-side development responsible for ensuring seamless integration and consistency throughout the application. Its flexibility and rich ecosystem make JavaScript a popular choice for modern app development projects.

What should I consider when hiring a Javascript development service provider?

When you look for JavaScript development services offshore, consider the following factors:

Expertise in diverse JavaScript frameworks like React.js, Angular.js, and Vue.js
Portfolio showcasing their previous work and client testimonials
Comprehensive service offerings, including front-end, back-end, API integration, and database design
Experience in your specific industry or project type
Dedicated, collaborative team and project management approach
Commitment to keeping up with the latest trends and technologies in JavaScript development to ensure your project stays current and competitive.

What development process does your JavaScript development company follow?

Our development process adheres to Agile principles, aligning with the typical software development life-cycle stages. Our comprehensive approach encompasses initial concept development, detailed planning, creative design, efficient coding, thorough testing, seamless deployment, and ongoing maintenance. This iterative methodology ensures flexibility and adaptability, fostering collaboration and delivering exceptional results tailored to your project's unique requirements.

How can I be sure of the expertise of your JavaScript software engineers?

Successfully providing expert JavaScript development services for over 10 years, we can guarantee the qualification and proficiency of our developers. To assess their skills, we encourage you to conduct interviews with our specialists and engage in direct conversations via video calls. You can also assign technical tasks to our developers to evaluate their proficiency and ensure they are the ideal fit for your project. Thus, our commitment to transparent collaboration guarantees a smooth partnership with our highly skilled development team.

How do you secure the quality and high performance of the developed JavaScript applications?

Our development process includes rigorous software testing at each stage to guarantee that our JavaScript applications meet the highest standards. We employ unit testing, integration testing, and automated testing to detect and solve any bugs or performance issues before the deployment. Furthermore, our experienced developers follow best coding practices, prioritize scalability, and optimize performance to deliver robust and reliable web applications tailored to your needs.

Why should I opt for full-stack JavaScript development?

One of the main benefits of choosing full-stack JavaScript development is that with a single language for both frontend and backend components, you streamline the development process. In turn, this consistency simplifies communication between teams and enhances overall efficiency. Moreover, full-stack JavaScript development fosters scalability and high performance that results in a seamless user experience and a robust foundation for your software solutions.

What is the future of JavaScript development services?

The future of JavaScript development services looks promising, as JavaScript remains a dominant programming language for mobile and web applications globally. In fact, 98% of websites use it for client-side functionality. With continued growth and innovation in the field, new frameworks and tools will emerge to enable even more efficient and powerful development. As the digital world evolves, JavaScript will continue to adapt and thrive, maintaining its relevance in the ever-changing world of web development.

How do I track my project’s progress?

Our development team uses project management tools like Jira and Agile methodologies to provide you with seamless tracking of your project's progress through visual representation and regular team meetings. Our tailored full-stack JavaScript development services and transparent reporting practices ensure you remain up-to-date and confident in your project's trajectory toward success.