Contact Horizon Dev LLC
Get a custom proposalWe rebuild legacy data platforms for companies
Horizon Dev rebuilds legacy data platforms for established companies stuck on outdated systems. We've completed 100+ production deployments, specializing in modernizing 10-30-year-old platforms without disrupting daily operations.
Our team of 15 engineers works with React, Django, Node.js, Supabase, and PostgreSQL. We handle the full modernization lifecycle: assessment, data migration, API integration, OCR data extraction, custom application development, and ongoing support.
Notable projects include rebuilding VREF Aviation's 30-year-old aircraft valuation platform (67% revenue growth, 4.2x ROI in 18 months) and taking over a Microsoft website serving 1M+ annual users for a 2.0 launch shipped on deadline.
We focus exclusively on mid-market companies with complex data workflows that need their legacy systems rebuilt, not patched. If your platform is 10+ years old and holding back revenue, that's exactly what we fix.
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Min project size
$25,000+
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Hourly rate
$100 - $149 / hr
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Employees
10 - 49
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Year founded
Founded 2023
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Our Story
We’re a focused engineering team rebuilding legacy data platforms for niche B2B companies. With 100+ production deployments, we combine React/Django/Node expertise, data-pipeline automation, OCR/document processing, AI/ML pricing models and ERP migration. Our work drove 67% revenue growth and 4.2x ROI for a 30-year aviation platform and delivered a 1M-user site relaunch on deadline—practical, delivery-driven specialists.
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