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Full-Stack Developer for Legacy Systems

Company: NPA worldwide

Location: mississauga, London

Posted: June 04, 2026

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Position Details

Drive innovation at the intersection of web and systems integration. This role focuses on building high-performance web applications for dedicated Ethernet LAN appliances while modernizing legacy codebases.
With over 5 years of experience, you will architect and develop full-stack applications, ensuring seamless integration of legacy C++ systems. Your expertise in HTML5, CSS3, and JavaScript/TypeScript alongside modern JS frameworks like React or Angular will shine as you optimize digital solutions for limited-resource environments.
Key Responsibilities:
• Architect web applications for resource-constrained networked hardware
• Modernize C++ and C# legacy code into web-compatible services
• Integrate hardware data using lightweight networking libraries
• Refine technical specifications based on appliance constraints
• Document APIs and system designs comprehensively
Requirements:
• Minimum 5 years of web and systems integration experience
• Strong understa...