JavaScript Development Services

Javascript development involves using its various platforms, frameworks, and libraries to build both the server-side and client-side of web and mobile applications, catering to a range of scales and complexities.

 

About JavaScript Development Services

JS development services are a popular choice for many reasons. Having a vast ecosystem, JavaScript allows you to choose platforms and frameworks for your project. For instance, React is well-suited for the client-side development of large-scale applications, while Vue.js is ideal for simple projects.

JavaScript is versatile and can be used for various purposes. They include front-end development, back-end development, mobile app development, and more. It allows for the selection of technologies that best align with specific development processes and goals, supporting modern software development practices like Single Page Applications (SPAs), Progressive Web Apps (PWAs), and responsive front-end design.

We work with a wide range of JS frameworks, libraries, and platforms. Our front-end stack includes React, Vue.js, Angular, and Ext JS. We work with the Node.js platform and NestJS, Express frameworks for the back end. They are often combined with TypeScript. This makes the code maintainable and scalable. Overall, it makes the development process more efficient

Technology Benefits

Cross-browser compatibility
Versatility
Asynchronous programming
Active community
Testing tools
Security features
Vast ecosystem
Dynamic typing
Scalability
JSON support
Modularity
Event-driven architecture
Integrability
Responsive design
Regular updates
AJAX usage

JavaScript Development Services We Provide


JavaScript Front-End

We provide front-end development services using React, Vue.js, Angular, and other JS-based tools


JavaScript Back-End

Our team can deal with back-end tasks using technologies like Node.js or Express.js


Enterprise Apps

We develop JS-based apps that facilitate operational processes and handle high loads


Migration between Frameworks

We can help you migrate your projects from outdated JS technologies to new ones


JavaScript Support & Maintenance

We provide 24/7 support to address challenges, update your solution, and keep it relevant


Consulting Services

Our team has vast experience developing JS solutions and can provide strategic advice on yours


Cross-Platform Mobile App Development

We can help you build engaging and responsive cross-platform web and mobile applications


JS Project Audit

We can provide an in-depth JS project audit before the start of software development


Architecture Services

Our team offers architecture consulting services to help you make optimal strategic decisions


JS Front- and Back-End Integration

We can seamlessly integrate your solution’s JS-based front end and back end


JavaScript Startup Development

We specialise in JavaScript development for startups, creating dynamic and scalable web apps


Hire JavaScript Developers

Develop robust and usable solutions with comprehensive JavaScript development services from our software development experts

Our Clients

We develop large projects for clients across 27 countries, a significant number of which are featured on the Fortune 500 list.

Microsoft
Microsoft
Hyundai
Hyundai
Mazda
Mazda
Pepsi
Pepsi
Kia
Kia
Tennet
Tennet
Preston Baker
Preston Baker
Thomas Cook
Thomas Cook
Recipe Plus
Recipe Plus
Danone
Danone
Pivdenny bank
Pivdenny bank
Gravitec
Gravitec

JavaScript – our core expertise
We are JavaScript Company

Why Choose SECL Group for JavaScript Development Services?

Our team has completed hundreds of projects of different sizes and complexity using JS-based technologies. Here are some of the things that make us stand out.

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Key area of expertise

JS is a key programming language we work with

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Wide range of frameworks

We work with many JS-based frameworks and platforms

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Front- and back-end

We can deal with both front- and back-end development using Javascript

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Different complexity

We have built various systems with JS, from websites to large-scale apps

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World-renowned clients

We have developed projects for PepsiCo, Danone, Kia, and other clients based on JS

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Senior engineers

We have senior developers with 10+ years of experience on our team

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Team of 70+ engineers

We have a full-time team of 70+ software developers

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Microservices architecture

We have experience developing JS solutions on microservices

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82% senior engineers

We have an 82% seniority level in our team

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Hundreds of projects 

We have completed numerous projects using JavaScript

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Tech stack selection

Having worked with many technologies, we can help you choose the most suitable ones

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Presence since 2005

We have been in the software development market since 2005

Our Software Development Standards

In our work we follow such international approaches and standards:

Management:PMP
Design:ISO 9241-210
Programming:Coding conventions, MDN Web Docs, Naming convention
Python:PEP 8
JS/TS:ECMA, JavaScript Standard Style, Google TypeScript Style Guide, ESLint
PHP:PSR
С#:ReSharper
HTML/CSS:W3C
Security:GDPR
Testing:ISTQB

Related Case Studies

Projects we are proud of

PepsiCo
PepsiCo
Comprehensive promotional websites’ development to impact the effectiveness and return of the marketing strategies across PepsiCo’s portfolio.
Project details
FMCG
PepsiCo
DevelopmentQA
Vidby
Vidby
AI-powered video and document translation tool in over 70 languages. This service comes highly recommended by YouTube for video translations and subtitling.
Project details
IT & Telecom
Country Helper
Country Helper
Country Helper is a user-friendly travel planning service that not only suggests activities and attractions in your chosen destination but also features a smart AI guide. This advanced AI guide provides instant answers to your questions about specific attractions or tourist sites, offering detailed information and personalized recommendations.
Project details
Tourism
Sailo
Sailo
Development of one of the world’s largest marketplaces for yacht charters, primarily in the USA, the Caribbean, and Europe.
Project details
IT & Telecom
Bixter
Bixter
An online service for seeking a seasonal and one-time job for the Danish market.
Project details
IT & Telecom, Business Services
Bixter
DevelopmentQA

When Do You Need It?

You can partner with a JavaScript development company to build different kinds of projects. Our experienced development team will help you choose a suitable technology for your project type, scale, complexity, and tasks.

Consider when:

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Fast load

You need a technology that ensures fast load

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Dynamic content updates

You need to update content dynamically

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Interactivity

You want to build interactive features in your solution

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Asynchronous operations

You want to implement asynchronous operations

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Animations

You plan to create animations and transitions

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Cross-browser

You need your system to run consistently across browsers

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Handling high traffic

You need your back-end to handle simultaneous requests and high loads

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Responsive layout

You want to create responsive layouts

Our Awards

Awwwards Award

Authoritative Design Award

Behance Award

Behance Interaction Award

Our Technological Toolbox

We specialize in specific technologies, with the technology stack chosen based on the project’s purpose and requirements

Programming languages:

Python
Python
JavaScript
JavaScript
Java
Java
PHP
PHP
C#
C#

Web / Frameworks:

Django
Django
FastApi
FastAPI
Spring
Spring
Hibernate
Hibernate
.Net
.NET
Node.js
Node.js
Express
Express
NestJS
NestJS
Laravel
Laravel
Yii
Yii
Symfony
Symfony
React
React
Vue.js
Vue.js
Angular
Angular
Ext JS
Ext JS

Databases / Data storage:

MySQL
MySQL
PostgeSQL
PostgeSQL
MongoDB
MongoDB
Redis
Redis
A. Casandra
A. Casandra
Elasticsearch
Elasticsearch
Amazon RDS
Amazon RDS
Amazon S3
Amazon S3

DevOps containers:

Docker
Docker
Kubernetes
Kubernetes
AWS ECS/EKS
AWS ECS/EKS

DevOps automation:

Ansible
Ansible
Chef
Chef

DevOps CI/CD:

GitLab CI/CD
GitLab CI/CD
Jenkins
Jenkins
AWS
AWS

DevOps monitoring:

Zabbix
Zabbix
Grafana
Grafana

Testing:

Selenium
Selenium
Postman
Postman
Swagger
Swagger
Apache JMeter
Apache JMeter
Cypress

Playwright
Playwright

Clouds:

AWS
AWS
Azure
Azure
Google Cloud
Google Cloud

Industries

Core domains we specialize in

VIEW ALL

Additional domains we have experience in

FINANCE

REAL ESTATE

TRAVEL & HOSPITALITY

AGRICULTURE

MEDIA & PUBLISHING

And experience in more than 20+ other industries!

You Will Get

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A system that operates seamlessly in different browsers
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A solution that manages concurrent operations efficiently
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Responsive and interactive user interfaces
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A vast and active ecosystem, with a wide range of libraries and frameworks
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A scalable and extendable solution
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Robust built-in testing tools and frameworks
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High load speeds
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Responsive layouts

FAQ

Here are our answers to some frequently asked questions about JavaScript development services. If you have another question on this topic, please get in touch with us.

Is JavaScript still in demand?

Yes, JavaScript remains highly in demand for software development. For instance, frameworks like React, Angular, and Node.js are versatile and popular for building interactive web applications.

When is it best to use JavaScript in software development?

JS is a go-to choice for front-end development for the majority of web development projects, particularly startups. It’s also suitable for building SPAs, server-side scripting with Node.js, and cross-platform mobile applications with frameworks like React Native.

What are the most popular JS frameworks and when are they used?
  • Top JavaScript frameworks include:
  • NestJS (as a modern Express.js alternative).
  • React (for building user interfaces);
  • Angular (for enterprise apps);
  • Vue.js (for flexible, lightweight apps); 
  • Node.js (for server-side development); 
  • Express.js (for building web APIs);

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