About us

Lengin is an award-winning JavaScript software development company with more than 40 dedicated specialists across the USA and Europe.
Thanks to our exceptional JavaScript expertise, some of our projects were published in Forbes magazine, while our clients charted as fast-growing US companies.

in team
by our clients
reviews on Clutch and Upwork
our specialists’ average
What makes Lengin special?
Lengin is a company with a strong focus and expertise in JavaScript full-cycle development. Our client-oriented approach and highly motivated team are the main drivers to long-term reliable partnerships.
Drivers & Values
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Strive for excellence
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Passionate & Focused
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Learn, Improve & Innovate
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Build Credence
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Being Human
Vision
Our Vision is to become one of the top 10 software development companies, providing full-cycle services for creating digital products. We want to become a hub that will unite 500 best-in-class professionals and impact the lives of 500 million end-users.
Mission
Our Mission is to harness digital technology and collaborate with highly motivated individuals to convert ideas into digital products that deliver better human experiences with technology. We are committed to creating innovative solutions that exceed our client’s expectations and improve the quality of life for end-users.
Why focusing on JavaScript?
There are some significant reasons why we use JavaScript for full-cycle development.


JavaScript is used by over 97% of all websites, making it the most popular programming language.
The same application, developed with React Native, can run on any device.
JavaScript offers a robust ecosystem of libraries and frameworks, empowering developers to create efficient end-to-end solutions.
JavaScript offers a robust ecosystem of libraries and frameworks, empowering developers to create efficient end-to-end solutions.
Business giants like Google, Facebook, Netflix, and Airbnb use JavaScript technologies as their core.
People behind Lengin
Our core expertise
Lengin is a rich blend of expert development and reliable partnership with which you can be sure that your project will be delivered on time, within a budget and fit to all requirements.
We are happy to answer all your questions!
Global Distribution of Clients by Revenue
of our clients are from the
United States
of our clients are from the
Europe
of our clients are from the
United Kingdom
of our clients are from
other countries
Frequently Asked Questions
Do you involve third-party developers?
No, we rely on our team of 40+ full-time specialists, as we care about delivering quality solutions. Our team constantly grows, according to the number of projects.
What software development services do you provide?
Our core service is helping companies by providing our in-house developers. But we also offer a comprehensive range of software development solutions, specializing in custom development.
Why did you choose JavaScript full-cycle development?
JavaScript provides robust technological solutions suitable for businesses of any size and it is widely used. For example, with a combination of Node.js and React, you can effectively create MVP and SaaS applications.
Which industries do you have experience working with?
We have experience working with clients from diverse industries, spanning startups to enterprise-level companies. Our portfolio reflects successful projects across various sectors.
What sets you apart from your competitors?
We are the fastest team to start working on your project because we exclusively employ in-house specialists. Our strong focus on technology allows us to recruit the best developers, nurture their skills, and provide expertise to our clients when they hire us.
Contact us
We are already processing your request and will contact you within a day. Meanwhile, check out our Blog about software development, business, and insights.
Our manager or tech specialist will contact you within one business day.
We get to know you, your project, and the development requirements you have.
We offer you the best-fit developers who can join your project in no time.