Senior Web Developer - Remote

Overview

Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to enabling organizations to proactively find, fix and verify exploitable attack vectors before criminals exploit them. We are looking for a Senior Web Developer to play a pivotal role in the design, development, and evolution of our marketing web platforms.

In Short

• Lead complex, high-impact web projects end-to-end.
• Serve as a domain expert in modern web architecture.
• Collaborate cross-functionally with design, content, and marketing teams.
• Implement and optimize technical SEO elements.
• Architect and maintain performant, accessible front-end systems.
• Plan and prototype APIs and backend architectures.
• Communicate effectively across the organization.
• Promote a culture of accountability and continuous learning.
• Recognize and guide teams in resolving cultural misalignment.

Requirements

• 5 - 7+ years of professional experience in web development.
• Advanced expertise in PHP, JavaScript, HTML5, CSS/SASS.
• Experience with Alpine.js or similar frameworks.
• Deep understanding of web performance optimization and technical SEO.
• Proven experience with managing web properties for SEO performance.
• Ability to use web crawlers and auditing tools.
• Experience leading projects with cross-functional impact.
• Strong organizational skills and self-direction.
• Demonstrated ability to influence engineering culture.

Benefits

• Inclusive team culture valuing diversity.
• Growth opportunities within a dynamic team.
• Collaborative environment encouraging creativity.
• Remote work flexibility.
• Competitive salary and benefits including health care.