Senior Growth Engineer, Web & AI

Hiya Inc.

Seattle (WA)

On-site

USD 120,000 - 170,000

Full time

14 days+

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Job summary

Hiya Inc. is seeking a growth-focused frontend/web development leader to own digital growth strategy, website architecture, and AI-enabled marketing innovations. You will drive international expansion, implement headless CMS migrations, and optimize analytics, SEO, and performance across enterprise and PLG segments.

Join Hiya to ship high-quality experiences that earn trust and accelerate pipeline growth across global markets.

Qualifications

5–8+ years in growth engineering, frontend engineering, or product-focused web development.
Strong React / Next.js experience.
Experience leading headless CMS implementations or migrations.
Hands-on experience with web analytics tools (GA4, Amplitude, etc.).
Experience implementing A/B testing and experimentation frameworks.
Strong understanding of technical SEO, GEO and AEO and performance optimization.
Experience integrating APIs and third-party systems into web platforms.

Responsibilities

Translate positioning and campaign strategy into compelling, high-converting web experiences.
Optimize the buyer journey across awareness, consideration, and conversion stages.
Own website KPIs including traffic growth, engagement, conversion rate, and pipeline contribution.
Develop hypotheses and testing roadmaps to improve performance of top pages; increase experimentation velocity across enterprise and PLG segments.
Lead migration from Webflow to a modern headless CMS.
Architect a scalable React / Next.js-based frontend.
Build modular systems enabling rapid campaign and landing page deployment.
Maintain engineering standards while supporting marketing speed.
Establish performance, accessibility and technical SEO best practices.
Own international website expansion across 20+ markets.
Design and scale multi-language, multi-region architecture.
Build localization workflows within the CMS.
Optimize regional SEO and performance.
Ensure global compliance and performance standards.
Architect and implement event tracking, data layers, and attribution frameworks.
Maintain tools such as Google Analytics 4, Amplitude, Google Tag Manager.
Ensure clean data flow between website, CRM, marketing automation, and PLG systems.
Align web experimentation with paid, organic, lifecycle, and product initiatives.
Champion UX, messaging clarity, and accessibility best practices.