Node.js Development Company

Opening new business opportunities with our high-end Node.js solutions.
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Node.js Development Services We Offer

Consulting services

Our specialists can help you with code reviews, scaling, detecting issues affecting performance, implementing outsource node js development services or common web-development best practices.

Mobile development solutions

We continue to develop lightweight, adaptable, and high-performance apps under our nodejs development services.

Web app development services

Our years of experience have made us experts in node.js application development. To develop robust and effective apps, we formulate strategies and offer new business opportunities with our high-end Node.js solutions.

UX/UI development for Node.js

To provide users with a positive and cohesive experience, we integrate Node.js to apply interactive and visual design principles on websites and web apps.


Our team can add customized functionalities and make changes according to your project requirements.

Revision and integration

With KeenEthics, you can improve your product developed in Node.js or integrate this product with other technologies or tools. Our node.js development team will help you with the right solution by developing APIs to enhance functionality.

 API development

As a node js web development company, we use Node.js technology to build secure and ready-for-use REST API from scratch in a short time frame.


Our Node.js services across the industries

Our company works with a large number of sectors. When you hire developers with a keen expertise in node js development services, you can expect a wide range of potential spheres, from education and healthcare to the fintech sector. Below, we offer you a full-scale insight into the industries that we, as a node js web development company, cover today:
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We boost your academic, business training, or self-education software with powerful Node.js solutions.

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Finance and banking

What if you move your digital product one step closer to the customers? We offer you use of node js application development for any product, from custom banking management systems, insurance and investment apps, trading platforms, and accounting solutions.

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The solutions built on Node.js enable you to be at the forefront of progress by creating modern web mobile software that meets current requirements and is adapted to business needs.

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Safeguard your solutions from challenges like limited resources, HR and event management, heavy workload, and information security, along with our Node.js development team.

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We visualize and create dynamic solutions for logistics and transportation software development based on the best relevant solution from our stack.

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We integrate 6 types of retail software solutions (B2B, B2C, B2A, C2B, C2C, and P2P) to improve the quality of service delivery from production to consumption.


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Real estate

Our team achieves technical safety through a well-considered tech stack choice, one of which is Node.js development services. Together, we transform the way you view your business.

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We help you advance the agricultural industry: our team achieves technical safety through a well-considered tech stack choice, high-quality development, and thorough quality assurance.

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We create a dynamic learning environment that changes your learners’ attitude to study. You can include analytics tools, approachable user interface, and creativity tools with viable Node.js solutions that don’t disappoint.

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Employee training

You get many advantages with employee training software; as a Node.js development company, we help you with that by focusing on your vision. The success of your solution depends on a solid software base and approaches the development team integrates into the product development.

Quality software development with Keenethics

Since 2015, we have implemented many projects. More than 50+ companies trusted us, and we managed to turn their ideas into lucrative products. Keenethics has succeeded in many web and mobile projects adopting PWA, MVP, cloud, IoT, chatbots, and AI solutions. We guide our projects through a full-cycle development method applying business analysis, development and testing, UI/UX design, maintenance, and support. No matter if you’re the owner of a start-up or large enterprise. With our specialists, you can share your ideas, and we’ll contribute to the success of your solutions.

Our experience


GetPart is an Estonia-based procurement platform for on-demand manufacturing aimed at making procurement of metal components simple, safe, and efficient. By following a standardized template, a Customer can easily create a price request. A Supplier, in turn, can make an offer. Customers can efficiently compare all offers they’ve received and eventually make a deal with the selected Supplier.

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When using a paystub generator, you choose a template, enter company and employee info and an earning statement, and download and review your final pay stub. You can be sure about the accuracy of all deductions since the pay stub generator uses the latest accounting payroll software to ensure accurate calculations.

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Do you catch yourself responding to the same question again and again? Cordian is a reliable, intelligent AI assistant in data visualization, analyzing questions with natural language processing and producing the response with deep learning. You get higher productivity through instant answers, security through verified content, and effectiveness through a flawless workflow.

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Ruuster is ​​a tool that helps clients plan their home-buying process and eventually purchase the home of their dreams. With the help of Ruuster, anyone can easily plan their home-buying process by following actionable step-by-step checklists and guidelines. Understanding costs and learning your budget makes this process much easier for a buyer.

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Bookmaker is a book publishing platform that unites storytellers, writers, and editors. Through Bookmaker, it’s easy to maintain communication, schedule interviews (in-person or remote), fill in surveys, update or approve the draft of the book, and create a cover and a book design. Constant collaboration between all participants allows the customer to get a uniquely designed and printed book.

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The idea behind BankerAdvisor was to create an efficient investment banking service for buyers and advisory firms that would provide relevant insights into bank operations based on verified client reviews. For us, this app is an opportunity to make investment banking more efficient by providing unbiased reviews and showing the advisory services their weaknesses and strengths.

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The experts in Node.js Development

Node.js is a favorable environment for full-stack development that can meet your needs fully, including scalability, high performance, and a rich user interface for your digital product. We guarantee compliance with all terms and flexibility in development processes.

By uniting Node.js capabilities and our tech expertise, we’ve developed many productive apps processing numerous daily users and their data. Our Node.js-based portfolio includes products for education, digitalization, e-commerce, real estate, finance and banking, and healthcare. To learn more about our expertise as a Node.js development company, read the client’s reviews about our cooperation on Clutch and visit the entire portfolio.

What is unique about Node.js?

Event-Driven Architecture

The event-driven architecture of Node.js allows developers to handle asynchronous operations. Smooth execution and responsiveness are features that make Node.js a practical solution for apps working in real time.

Non-Blocking Input/Output

High-traffic apps and platforms benefit from this feature. This feature allows the app to handle multiple requests concurrently, contributing to faster development and meeting business objectives for responsive and scalable solutions. Through non-blocking input and output operations, the app can handle multiple requests without waiting for each one to complete.

Single-threaded model

Numerous concurrent connections aren't a problem for Node.js. Its event loop efficiently manages tasks, which makes it lightweight and resource-efficient for server-side development.

Vast community

Our developers benefit from the Node.js community's ready support base, which includes a wealth of resources and continuous improvements to ensure our solutions meet your business objectives.

No buffering

Node.js operates without buffering data, providing swift response times. The system handles data in real-time without delay and enhances the overall responsiveness of Node.js applications.

Node.Js Development Process We Follow

We guide businesses through every stage of software development while delivering effective and elegantly designed app development solutions to improve your daily business processes.
Business Analysis

Our Node.js development company delves into your business requirements and priorities and form a customized development plan to ensure a seamless Node.js development cycle. We guarantee effective Node.js digital solutions for addressing your business opportunities and challenges, considering various models to optimize development costs.

UX/UI Design

At the UX/UI stage, we unite your vision and the expertise of our designers to develop an engaging user experience for your product. Our skilled designers focus on blending creativity with functionality while prioritizing user satisfaction. 

Development and testing

We transform concepts into robust platforms by following rigorous testing procedures and protocols. We combine automated and manual testing, security assurance and other methodologies to streamline a bug-free product through data integrity checks and compliance with industry security standards. Furthermore, we ensure quality performance optimization under different loads, even during peak usage. 


In cases of potential issues, we implement timely solutions while minimizing downtime. By keeping your product up-to-date, we ensure it remains secure and aligned with the best industry practices.  


Our amazing clients

Our awards

Champion in Fall 2023

Top 10% Web Development Services 2023

Top ReactJS Development Company

The 2022 Best Software Development Companies In Education

Best Web Developers in New York City in 2023


Top Software Developer in Krakow for 2023


Top Website Development Company


Fastest Growing 500 Software Developer in 2022

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Best Web Development Top 10


Top 10% Node.js Development Services 2023

Top 10% React Development Services 2023

Best Company to Work With


Top IT Outsourcing Company

Our Customers Say

The greatest thing about Keenethics is that this company is all about ideas. They do not strive for money only. These people aim to make a difference in the software world. They promote ethical values and show others how to meet Tech4Good demands. They were so excited by how new technologies can be used for the common good that they even asked me for an interview that was published on their blog. It has been a pleasure to work with them.

Hernando Sanchez-Faddeev
Leiden, Netherlands
Chief Executive Officer, Owl Tech B.V.
Show more on Clutch

We have hired Keenethics to design and develop (web and mobile app) a cloud manufacturing platform. Our goals were to get a MVP product within limited timeframes and fixed budget. The Keenethics team has managed to deliver the product on time, with the required quality and with professional attitude. I’m absolutely satisfied with our cooperation and can recommend the KeenEthics team as a group of professionals, who knows what they are doing.

Aleksei Germ
CEO at GetPart, an on demand manufacturing company
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Why Choose Keenethics as a Node.js Development Company?

2-week trial period

We, as a Node.js development company, offer a 2-week trial period split into two options.


First option: We don’t charge for the first week of development if you’re unsatisfied with it.


Second option: If we terminate our contract by the end of the notice period, we don’t bill you for the last week of the development.

2-week trial period

Quality with the Strike Force approach

You hire a dedicated team of our best software developers, Strike Force, to set the ground for a successful project launch. We deliver a full-cycle Node.js web development solution in industries ranging from education, healthcare, finance, and banking to real estate. Within a month, they’ll set up the project architecture and major development processes for the client’s solution. Afterward, we suggest switching the developers to the junior and middle ones while the Strike Force stays as a consulting team. This way, you have a more affordable project with top-notch quality, no matter the project size.

Quality with the Strike Force approach

Improved ROI with a UX audit

Our UX audit shows you what upsets your users and holds back the success of your solution. This approach is the best way to cut development expenses and improve your ROI in the long run. In the UX audit, we analyze the design of your solution to improve user flows. At the same time, we eliminate the pain points of your users as well as improper design practices. Learn more in this UX presentation.

Improved ROI with a UX audit

Mental health program and motivation inside the team

Our mental health program implies that an employee’s happiness translates into high productivity and quality relationships. In Keenethics, people are the highest value. Our Mental Health Officer monitors the mental state of employees to guarantee a low employee turnover and to exclude associated project delays. So, you hire a keen team of dedicated developers that are excited about what they’re doing. Learn more in this mental health article

Mental health program and motivation inside the team

Frequently Asked Questions

What is Node.js?

Node.js is a technology used by JavaScript enthusiasts since 2010. For more than 10 years, Node.js has been empowering a wide range of businesses and remains popular among devs across the globe.


Node.js is a powerful, open-source, cross-platform JavaScript runtime environment that enables server-side development. Its unique features, like event-driven architecture and a non-blocking I/O model, distinguish the technology from other programming languages. Node.js is especially efficient for handling real-time apps and high-concurrency platforms. Our development team uses Node.js to create dynamic and scalable web solutions, whether it’s a responsive web app, APIs, or real-time collaborative tools. This technology, built on the V8 JavaScript engine, not only unifies the language for both front-end and back-end development but also facilitates faster development cycles. By using the strengths of Node.js, we can seamlessly address your business needs, delivering innovative and performant solutions tailored to your users’ unique requirements.

What is Node.JS used for?

Node.js is an open-source, cross-platform JavaScript runtime environment. The power of this technology lies in the fact that it can be used for writing both server-side and client-side scripts. That is, Node.js companies use a single programming language for both tasks. It saves time for a developer. It saves money for a client.


Commonly, Node.js is a promising technology for web and mobile apps, real-time apps, chat servers, server-side apps, gaming apps, and more.

How can Node.js development help my business?

Around 40-50% of websites use Node.js to build robust and scalable apps. The technology has a lightweight and excellent solution structure for developing web apps. Since Node.js is a JS run time environment built on Google Chrome’s open-source JS engine, it helps to perform data acceleration efficiently. Also, technology makes responsive websites with high security and no failures. 

You should have no doubts that node js application development delivers unlimited benefits. Big companies like Google, Yahoo, Microsoft, Linkedin, PayPal have used technology a long time ago. If you have an idea or project in mind, you’re welcome to address our node js web development company. We guarantee our professional team will consult you on the technology’s peculiarities, listen to your vision, and offer you high-quality nodejs development services.

What are the benefits of using node js application development?

Our developers define the core benefits of choosing node js development services for your business.

Node.js, as a technology, has the following benefits:


1) Node.js vast developing community provides developers with simplified, efficient development by offering a Node package manager. NPM streamlines the integration of third-party libraries, tools, and frameworks into Node.js apps, fostering collaboration and efficiency in the development process.

2) Fast execution time allows for the production of time-to-market apps. Node.js efficiency is crucial in meeting the demands of dynamic and rapidly evolving user needs.

3) Node.js provides multiple tools and modules that help developers adapt quickly to the ever-changing requirements of users and demands in the digital landscape.

4) Node.js boasts a rapid startup time, allowing developers to swiftly test and iterate on their code, enhancing the agility of the development process.

5) Node.js achieves high-performance execution, thanks to the V8 JavaScript engine. This engine compiles JavaScript code directly into machine code, contributing to the efficiency and speed of Node.js applications.

6) Developers can use JS for front-end and back-end development.

7) It can be easily integrated with other development tools and technologies like Express, AWS, Socket IO, and MongoDB.

How Does Node.JS Differ From Other Server-Side Programming Languages?

Node.js stands out among server-side programming languages due to its unique architecture and event-driven, non-blocking Input/Output model. Traditional server-side languages typically follow a synchronous blocking input/output approach, which means that when a request is sent to the server, the entire process stops until the requested operation is finished. So, with Node.js, developers save time and gain more responsiveness and efficiency from the app. What’s more, since Node.js is built on the V8 JavaScript runtime, the developers can use JS and facilitate code sharing on the front-end and back-end, thus creating a more seamless experience. The extensive NPM ecosystem and active community support foster a dynamic development environment. With scalability, real-time capabilities, and a quick startup time, Node.js proves to be a compelling choice for building responsive and scalable web applications.

How much will it cost to build a Node.JS app?

Before answering the question, we need to address much more information since the cost depends on various factors. To evaluate the approximate price of the Node.js app, we have to define the features required for the app, the development time, the timeframe for completion, team involved in development. Also, it’s important to negotiate on code quality, scalability, and maintainability of the app and decide if you need junior or senior devs for the project. These are only several questions to define price apart from other critical issues like maintenance costs, bug fixing, hosting, etc.

How long does it take to build a Node.js app?

Usually, projects built on Node.js can take around 8–10 days or up to weeks. There is no standard time. The duration depends on the client’s requirements, required functionality, and preferences. However, a complex production app or project can take several months. Other factors influencing the timeframes include the competence with technology, size of the project team, scope of work, size of the project team, and others. Each stage under development, like business analysis, UX/UI design, third-party integrations, testing and support, also requires the implementation of proper practices and takes time. A simple Node.js app with basic features may be completed in a few weeks to a full month. We suggest you contact our Node.js development agency, and we will be able to provide a more accurate project estimate based on your preferences. You should also note, that when your project is released on the market, it needs regular fixes, updates and improvements to meet the user needs and market trends. Remember, when developing a custom solution, you should consider that the project requires continuous effort and maintenance costs.

What is our experience in Node.js application development?

Our years of experience have made us experts in Node.js software development. We’ve developed node js application development projects for a wide range of industries, from education and real estate to business and healthcare. When we use Node.js technology, we aim for effective, fast-working, and stable solutions. 


As a Node js app development company, we strive for a long-term partnership with our clients. Keenethics offers them support and eliminates any data security risks

What kind of applications can you build using Node.js?

The versatility of Node.js allows skilled developers to create digital products ranging from real-time apps, single-page apps, and location-based apps to APIs and IoT solutions. Using Node.js, our developers specialize in developing dynamic web applications, seamlessly managing numerous concurrent connections, and providing users with real-time updates. Our Node.js services extend to the creation of APIs and stand-alone microservices. In the context of real-time apps, you can consider the development of chat applications and platforms, collaborative tools, e-commerce platforms, and content management systems. What’s more, its event-driven architecture fits the development of a wide array of apps, from streaming apps to social networking apps. If you’re interested in this technology, you’re welcome to consult our web development company and check your idea for its potential.

Hire Node.JS Developers

If you have a business challenge you want to solve with a software solution, let me tell you about what our node.js development team can offer. Should we start with a free estimate of your project?

Daria Hlavcheva

Head of Partner Engagement

Let's start
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