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JSON Crew

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IoT | CRM | AI | PWA | 3D | Web app | SEO

A modern software house specializing in comprehensive outsourcing of web and digital solutions. The company designs, develops, and implements fast, scalable web applications (Next.js, React, Node.js), advanced IoT platforms enabling real-time data integration and analysis, progressive web apps (PWAs), immersive 3D experiences (Three.js), CRMs, and AI implementations that automate business processes and support decision-making. The team manages projects from concept, through UX/UI design and development, to final deployment and maintenance, delivering solutions tailored to the individual needs of business clients and startups. The company operates globally, and its technologies support both simple websites and complex digital systems, with a strong focus on performance, innovation, and high-quality service.

  • Min project size
    $10,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    2 - 9
  • Locations
    Kraków, Poland
  • Year founded
    Founded 2025

1 Locations

  • Kraków , Poland

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    Pricing Snapshot

    Min. project size $10,000+
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 5 /5

    Most Common Project Size

    < $10,000 based on 1 review
    < $10,000 $10,000 - $49,999 $50,000 - $199,999 > $200,000
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    Highly Rated Similar Providers

    Overall Review Rating

    4.5

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    • Schedule

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    • Cost

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    See all 1 Reviews

    JSON Crew Reviews

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    Custom Software Development for Electronic Device Company

    • Custom Software Development
    • Less than $10,000
    • Apr. - July 2025
    4.5
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They did good work."

    Jul 21, 2025
    Director, KG Elektronik
    Gregor Koman
    Verified
    • Electric
    • Mielec, Poland
    • 11-50 Employees
    • Online Review
    • Verified

    JSON Crew provided custom software development services for an electronics device company. The team developed a smart control app and helped the client launch the app.

    Showing 1-1 of 1 Reviews

    Locations (1)

    Królewska 57 Kraków, Poland 30-081

    2 - 5

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