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JavaScript Software Development Company

About Company

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.

 

Why do companies choose Lengin as their software development partner?

  • $10,000+
  • $25 - $49 / hr
  • 10 - 49
  • Founded 2019
Average Review Rating
5.0
Total Reviews
27
Most Common Project Size
Less than $10,000
Average Referral Rating
5.0 /5

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    Locations (1)

    Highly Rated Similar Providers

    Overall Review Rating

    5.0
    • Quality

      5.0 /5
    • Schedule

      4.9 /5
    • Cost

      4.9 /5
    • Willing to Refer

      5.0 /5
    See all 27 Reviews
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    Web Dev for 3D Design & Development Firm

    • Web Development
    • $10,000 to $49,999
    • Sep. 2022 - July 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We were thoroughly satisfied with their performance."

    Aug 17, 2023

    Lengin designed and developed a new company website for a 3D design and development firm. The team was also responsible for providing SEO strategies, UI/UX design, and performance optimization.

    Staff Augmentation for Software Company

    • IT Staff Augmentation Web Development
    • $10,000 to $49,999
    • Mar. 2022 - Feb. 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Lengin's systematic approach to the complex migration process was impressive."

    Aug 13, 2023

    Lengin provided staff augmentation services for a software company. They staffed the client's team with Node.js, Angular, and React experts.

    Web App Design, Dev & Consulting for IT Services Co

    • Custom Software Development IT Staff Augmentation Web Development
    • $10,000 to $49,999
    • Feb. 2022 - May 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their project management was exceptional, demonstrating a strong commitment to delivering items on time."

    Jul 7, 2023

    Lengin provided web app development, consulting, and support to an IT services company. Their work included UI/UX design, prototyping, development, and post-launch support for several months.

    Mobile App Development for SEO Company

    • Web Development
    • $10,000 to $49,999
    • Nov. 2022 - Feb. 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "We were impressed with Lengin's discipline and commitment to producing a clean, lightweight, and high-quality product."

    Mar 2, 2023

    An SEO company hired Lengin to develop the front- and backend of an app that the client designed. The goal was to deliver a high-quality product in a short timeframe.

    SaaS Platform Dev for Software Development Company

    • Custom Software Development
    • $10,000 to $49,999
    • Apr. 2022 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They perform professionally, autonomously, and in high quality without needing additional management."

    Dec 29, 2022

    Lengin is helping a software development company build a SaaS platform for Kubernetes cluster owners. They improve the architecture, develop new features, fix bugs and errors, and rewrite outdated codes.

    Development Services for Recruitment Company

    • Custom Software Development
    • $10,000 to $49,999
    • May - Sep. 2022
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The team was extremely smart, intelligent, dedicated, and professional."

    Dec 7, 2022

    Lengin was hired to develop the front- and backend of a web application. The goal was to build and improve our platform's workflow and user interface as well as identify and fix system vulnerabilities.

    Web Dev for Digital Marketing Agency

    • Custom Software Development
    • Less than $10,000
    • June - Sep. 2022
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The Lengin team was very honest, even if there could be some problems."

    Nov 14, 2022

    Lengin developed a website and a CMS using React.js for a digital marketing agency. They have helped create the groundwork for a new web application and developed the legal documents.

    Web Design for Outsourcing Company

    • Custom Software Development
    • $10,000 to $49,999
    • Jan. - May 2022
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "The client was very satisfied with the deliverables and impressed with the partnership."

    Nov 5, 2022

    Lengin designed a website for an outsourcing company. They conducted a discovery session and developed the front- and backend using JavaScript and Vue.js.

    Web Dev for Digital Consulting Firm

    • Web Design Web Development
    • Less than $10,000
    • June - July 2022
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.5
    Willing to Refer
    5.0

    "The first results were already stunning."

    Jul 20, 2022

    Lengin developed a digital consulting firm's website. Before the development, the vendor reviewed the project's scope and created a timeline with clear deliverables and price points.

    Custom Plug-In Development for Online Marketing Agency

    • Web Development
    • Less than $10,000
    • Mar. - Apr. 2022
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    5.0

    "Feedback was promptly addressed and the development speed was excellent."

    Apr 8, 2022

    Lengin developed a custom plug-in for an online marketing agency to connect customers to repairers in their area. The team used WordPress, PHP, CSS, and other programming languages.

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