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Growth Engineer

Peregrine Technologies - San Francisco, CA, USA - In-office - posted 2026-08-04

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Salary: USD 150,000 - 192,000 / annual

Peregrine Technologies, backed by leading Silicon Valley investors, provides an AI-enabled platform that transforms siloed data into operational intelligence for public safety organizations, government agencies, and private-sector institutions. The platform serves hundreds of customers across 30+ states and two countries, reaching over 125 million people. As a Growth Engineer on the marketing team, you will own the entire marketing website (peregrine.io) and build the systems that power modern marketing operations. Your primary focus is the website itself—both the Sanity CMS instance and the front-end—but you'll extend your impact across the full marketing technology stack. Key responsibilities include: - Owning the website end-to-end: Sanity instance, front-end, pages, components, and content workflows - Building a reusable content management system for copy and visual elements that ship to web, ads, print, and beyond - Implementing signal ingestion and personalization to tailor experiences for diverse audiences - Creating translation management workflows to streamline localization - Automating internal marketing workflows (personalized landing page pipelines, asset creation, segmentation) to increase team velocity - Running growth experiments to drive conversion, visibility, and personalization - Configuring HubSpot, Google Tag Manager, and analytics platforms for tracking and audience segmentation - Delivering fast load times, strong technical SEO/AEO/GEO, and cross-browser consistency Success is measured by site performance (speed, reliability, quality), visibility gains from technical SEO, and scalable personalized content systems that drive engagement and conversion. You should treat marketing as engineering, automating manual processes and measuring impact. You design and build with taste, write clean maintainable code, think in systems (personalization, analytics, content delivery), and stay current with industry trends. Required skills and experience: - Deep proficiency with Sanity, Vercel, React, Next.js, Git, and strong web fundamentals (TypeScript, HTML, CSS, JavaScript) - Understanding of privacy and accessibility standards - Experience building signal ingestion, personalization, content production, and workflow automation for marketing teams - Proven track record running growth experiments - Strong design and development fundamentals; ability to move fluidly between both - Deep expertise in performance optimization and technical SEO/AEO - Familiarity with marketing analytics tools (Amplitude, GA4, GTM) - Working knowledge of localization and translation management - Experience partnering with marketing/growth teams - Approximately 5 years of relevant experience (flexible for strong candidates with fewer years)

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