Senior Web Developer
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Job Description
Senior Web Developer building and optimizing Horizon3’s WordPress marketing website. Supporting conversion, SEO, analytics, accessibility, and enterprise cybersecurity pipeline growth.
Responsibilities:
- Build and maintain WordPress pages, templates, custom post types, custom fields, and reusable components for the Horizon3 marketing website
- Write and maintain structured HTML, CSS, and JavaScript
- Translate Figma designs and campaign requirements into responsive, production-ready pages
- Optimize site speed, Core Web Vitals, mobile responsiveness, rendering, loading, and layout
- Build landing pages, forms, and interactive elements supporting demo requests and campaign conversion
- Implement A/B tests and CRO changes with digital marketing
- Set up and maintain analytics, conversion tracking, event tags, and UTM handling using tools such as Google Tag Manager
- Implement technical and on-page SEO improvements, including semantic markup, structured data, metadata, alt text, internal linking, redirects, sitemaps, indexability, and site architecture
- Implement and troubleshoot integrations with marketing and business platforms, embedded forms, event platforms, recruiting tools, consent management, analytics, and third-party scripts
- Maintain cookie consent, tracking governance, and WCAG accessibility standards
- Manage staging, version control, cross-browser, responsive, accessibility, tracking, and regression QA before and after releases
- Maintain plugin updates, security patches, uptime, broken links, redirects, technical audits, and ongoing site health
- Collaborate with digital marketing, brand and design, and product marketing to deliver web work supporting campaigns, launches, and field motions
Requirements:
- 4+ years of hands-on web development experience, ideally building and maintaining B2B marketing or corporate websites
- Strong proficiency in HTML, CSS, and JavaScript
- Ability to build responsive, cross-browser, mobile-first pages from scratch
- Deep hands-on WordPress experience, including theme and template development, custom blocks, and working within a page builder environment
- Proven experience optimizing site performance, Core Web Vitals, and page speed
- Experience implementing analytics and conversion tracking, including Google Tag Manager, Google Analytics, and event and UTM tracking
- Working knowledge of technical SEO fundamentals, including semantic markup, structured data, and site architecture
- Ability to translate Figma designs into high-fidelity, production-ready pages
- Experience with staging, Git/version control, QA, and clean production deployment
- Strong collaboration skills and ability to manage multiple web requests against marketing deadlines
- Ability to implement accessibility standards (WCAG) and privacy compliance (GDPR, CCPA)
- Authorization to work in the United States
Benefits:
- Equity package in the form of stock options for all full-time roles
- Health, vision & dental insurance for you and your family
- Flexible vacation policy
- Generous parental leave
- Career development opportunities
- Fully remote work
- Occasional company-sponsored travel for team meetings, events, or other business needs, up to 10%
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