Dedicated Front-end
JavaScript Developers

Front-end screenshot
Front-end screenshot

React, Vue.js, Angular, TypeScript โ€“ all front-end technologies covered.

Contributed to the front-end development of more than 100 projects.

Over 30 experienced front-end developers ready to join your team.

Already have a team of back-end developers and need an experienced dedicated front-end developer? Look no further. Our in-house specialist can seamlessly join your team within a day.

  • Unboarding the next day after request
  • Risk-free testing period of 14 days with our specialist
Front-end screenshot
Front-end screenshot

React, Vue.js, Angular, TypeScript โ€“ all front-end technologies covered.

Contributed to the front-end development of more than 100 projects.

Over 30 experienced front-end developers ready to join your team.

Awards
and recognitions

Pixel perfection

Why choose Lengin for
front-end development

Cutting-Edge Tech Expertise

At Lengin, we pride ourselves on deep technical expertise in front-end development. Our team of 41 specialists includes Vue.js and React developers with 5-10 years of experience in development.

Diverse Industry Success

With our extensive experience in front-end development, we have had the privilege of working with clients from various industries. We have specialists who can bring innovative solutions and expertise relevant to your industry.

Proven Reputation

Our track record speaks for itself. Over the years, we have built a proven and impeccable reputation as a reliable software development partner for over 70 companies across the USA and Europe. Our company has received over 150 positive reviews on platforms like Clutch and Upwork.

Coding app's front-end
VIDEO GALLERY

What our clients say

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Anton CEO, Norby AI

“I’m really impressed with Lengin. They demonstrated a truly personable and client-centric approach. They were reliable and professional.”

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Arkadii COO, Cyberland

“What I liked most about Lengin is that they didn’t just do assigned tasks but discovered new opportunities to improve the final product.”

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Play
Keven Tech Lead, Modulos

“It’s hard to find a good front-end developer in terms of skills, high involvement, proactive, and communication well with the rest of the team is a bit tricky. We were lucky with Lengin.”

Play
Dmytro Lead Engineer, NitroHire

“We collaborated with Lengin for over a year and achieved so much together. Their team was highly professional and a pleasure to work with.”

Play
Natalie EIC, The Right Hairstyles

“Lengin delivered an impeccable website redesign, prioritizing speed and user experience. Their keen attention to our needs and innovative solutions garnered positive user feedback.”

Play
Nick Founder, RevUp Dental

“After working with Lengin’s team, we were left really impressed to the point where we realized we didn’t need to hire a new developer directly.”

View All Reviews
Video Interview
Site:
Case portfolio:
Interview insights
Innovative stack

Our front-end technologies

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Vue.js

Experience the power of Vue.js in your web development projects. Our Vue.js experts build dynamic and interactive user interfaces, leveraging its simplicity and versatility to deliver seamless and performant web applications.

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React

Transform your web applications with React, the leading JavaScript library for building user interfaces. Our React specialists create fast and scalable front-end solutions, harnessing React’s component-based architecture and virtual DOM for exceptional performance.

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Angular

Leverage the full potential of Angular, a comprehensive framework for building robust web applications. Our Angular developers bring your ideas to life, utilizing its powerful features, such as two-way data binding and dependency injection, to deliver scalable and maintainable solutions.

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HTML/CSS

Unlock the visual appeal and structural integrity of your web applications with our expertise in HTML and CSS. We create pixel-perfect designs and responsive layouts that elevate user experiences across devices.

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TypeScript

With its strong typing system, advanced tooling support, and extensive ecosystem, we leverage TypeScript for improved code maintainability, early error detection, and enhanced collaboration within development teams.

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UI Libraries

Elevate your front-end development with cutting-edge UI libraries that enhance the visual appeal and user experience of your web applications. Our team leverages industry-leading libraries to create stunning, responsive, and intuitive interfaces that captivate your users.

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Testing

Ensure the reliability and quality of your front-end code with advanced testing frameworks. Our team utilizes robust testing frameworks to thoroughly test and validate your web applications, identifying and resolving any issues or bugs early in the development process.

QUALITY DELIVERABLES

Featured projects

Lengin in numbers

Lengin in numbers

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$ 500 m +

Has been raised
by our clients

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100 +

5-star ranked Upwork
contracts

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91 %

Of our projects
are long-term

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30 +

Countries with satisfied clients
worldwide

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5 โ˜…

Average Lengin rating of 150+
reviews on Clutch and Upwork

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9/10

Of our clients were willing to refer Lengin

TESTIMONIALS

Client’s reviews

“Through effective communication, Lengin successfully designed and developed the client’s web app, implementing all the planned features on time and creating a seamless UX.”

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Vitaliy Malishchuk Tech Lead, SmartTek

“An exceptionally disciplined and highly-skilled team, Lengin delivered the project on time and within budget. The team utilized project management tools and communicated clearly and concisely, ensuring a seamless workflow.”

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Daniel Dramshev CEO, Netrocket

“Lengin has been working with the client for a long time now, and the client commends their high-quality performance. They impress the client with their motivation for work and ability to adapt to any situation.”

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Maayan Israeli Office Manager, Robusta

“The Lengin team helped the client improve the operational performance of the platform and built a user-friendly and responsive interface. They worked overtime to deliver everything on time and working properly despite several requested add-on features from the client.”

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Vasco Grieg CEO, OnHires

“Their team was highly communicative, responsive, and proactive, and the client was very pleased with their work.”

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Khomchenko Maksym COO, Wedex

“Lengin delivered a fully functioning site. The client was very satisfied with the deliverables and impressed with the partnership. The service provider’s team was flexible, professional, and communicative.”

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Max Dybenko CEO, IT-Outstaffing

“The project was successfully completed on time, and the team was very responsive to feedback. Lengin’s efforts were met with positive acclaim.”

Max Roodenburg
Max Roodenburg Marketer, De Klantenmachine

“Although the project is still ongoing, Lengin has made an impact on the project and has been quick in adapting to the client’s pace. Solutions, provided by Lengin saved us money and time”

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Stanislav Pavlov HR, Cyberland Oรœ

“Lengin delivered the project, meeting the project’s requirements. Their exceptional communicative approach and the collaboration results impressed us.”

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Daniel Schacter President, CPM

“Thanks to the redesign provided by the Lengin team, the company’s platform now has a cleaner look which allows their clients to use more of the offered features. The company was most impressed by how organized the team was in conduction their work and would recommend their services.”

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David Wenner Co-Founder, VocalReferences

“Lengin led a pixel-perfect implementation of the client’s designs. Their efforts resulted in a much more comprehensive site, allowing customers to better understand the client’s services. The team strictly adhered to the project’s timelines and managed to achieve every project milestone they set.”

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Mite Stojanov CTO, MyBlueLabel

“The client has been satisfied with Lengin’s ability to consistently deliver high-quality outputs. The products are always high-performing and only require minimal changes once reviewed.”

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Michael Wright Project Manager, Everbrave
View All Reviews

Frequently Asked Questions

What kind of front-developers do you have?

We have experienced front-end developers in TypeScript, Vue.js/Nuxt.js, React/Next.js, Angular, Svelte, Ember.js, each with more then 5 years of commercial experience.

What kind of support do you provide during and after a project?

Every project our developers join comes with the support of our tech lead and project manager. They will make sure that the development we engage in is delivered right and on time. After the project ends we also provide maintenance and support, to keep your product up-to-date.

Do you provide ongoing maintenance and support after the project?

Yes, we provide ongoing maintenance and support services after the deployment. We offer different maintenance packages to cater to your specific needs, ensuring that your website or web application remains up-to-date, secure, and optimized for performance.

Can you integrate third-party APIs or services into the front-end development?

Yes, we have experience integrating various third-party APIs and services into front-end development projects. Whether it’s payment gateways, AI integration, social media integrations, mapping services, or other APIs, we can seamlessly integrate them into your website or web application.

HOW TO START COLLABORATION

Contact us

Tell us about your project

    Thank you for contacting us!
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    We are already processing your request and will contact you within a day. Meanwhile, check out our Blog about software development, business, and insights.

    What’s next?
    1 step

    Our manager or tech specialist will contact you within one business day.

    2 step

    We get to know you, your project, and the development requirements you have.

    3 step

    We offer you the best-fit developers who can join your project in no time.

    Oksana ะกhemarenko Sales Manager at Lengin
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    Tell us about your project

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      Thank you for contacting us!
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      We are already processing your request and will contact you within a day. Meanwhile, check out our Blog about software development, business, and insights.