Summary
Robert Coster is a pragmatic full-stack web developer with 11+ years delivering marketing, e-commerce, and content-driven sites, blending PHP/Laravel and JavaScript expertise with AWS-certified security know-how. He runs Signalfire Internet Services, has led full website rebuilds and rebrands for media and telecom clients, and operates a long-running freelance business helping small companies improve conversions and online presence. Comfortable across front-end, back-end and cloud, he pairs hands-on development with digital marketing skills—SEO, analytics and paid campaigns—to drive measurable growth. Certified in cybersecurity (GSEC, GFACT) and actively exploring practical AI and automation (ChatGPT, Claude, n8n), he focuses on secure, efficient workflows that reduce repetitive work. Creator and maintainer of WordPress plugins and various PHP, Laravel and Python apps, he brings open-source pragmatism to commercial projects. Based in Huntingdonshire, England, he combines agency and in-house experience to bridge technical delivery and business outcomes.
11 years of coding experience
5 years of employment as a software developer
BSc, Computing, BSc, Computing at The Open University
Cybersecurity, Cybersecurity at SANS Technology Institute