Email Developer (Part-Time)

Join a fast-moving lifecycle marketing technology team as an Email Developer, where you’ll own and evolve an AI-enabled email development platform that helps scale high-quality communications across global audiences. This hands-on role blends technical ownership, collaboration, and strategic thinking to improve email production workflows, build reusable systems, and support international templating needs. 10 hours/week | Pacific Time (PT) Responsibilities Own and improve an existing email development tool, with a focus on scaling its capabilities and increasing production quality Partner with design, marketing technology, and engineering teams to translate visual designs into production-ready email HTML Build and maintain a modular component library for common email elements such as headers, footers, CTAs, content sections, and image blocks Create email templates that work across multiple marketing automation platforms, including Iterable and HubSpot Support platform-specific requirements such as merge tags, HubL, and fields.json implementation Establish and refine QA processes to validate rendering across major email clients and devices Help ensure templates meet accessibility standards and support inclusive, usable email experiences Develop documentation, usage guides, and training materials to support team adoption and consistency Collaborate on international template needs, including localized variants and market-specific rendering considerations Balance ongoing support requests with longer-term platform improvements and workflow efficiency Skills 6-8+ years of professional email development experience Strong expertise in HTML, CSS, and MJML for email development Hands-on experience with Iterable and/or HubSpot Experience building and maintaining reusable email component libraries or design systems Deep understanding of email rendering behavior across major clients, especially Outlook Experience implementing dark mode considerations in email Ability to work independently, manage priorities, and deliver within a structured timeline Clear written communication skills for documentation and async collaboration Ability to collaborate effectively across functions and contribute to team leadership when needed Preferred Skills Experience supporting email localization for markets such as Korea, Japan, Germany, and France Familiarity with CJK font stacks, line-height adjustments, and text expansion planning Experience with Figma or other design-to-code workflows Background in lifecycle marketing or product marketing email programs Exposure to AI tools or AI-enabled workflows in email development Experience working in fast-paced environments where priorities may shift quickly Experience supporting high-volume email programs with broad reach Horizontal Talent is committed to fostering a welcoming, inclusive workplace where diverse perspectives are valued and everyone has the opportunity to contribute and grow. We encourage candidates from all backgrounds to apply and bring their unique experience to the team. By applying for this position, you acknowledge and agree that Horizontal Talent may contact you regarding your application using automated technology, including phone calls, SMS/text messages, or email, which may be delivered by our virtual AI recruiter, Alex. Please apply through this online posting or by visiting our Job Board at www.horizontaltalent.com/job-board. Applications will be accepted for 4 weeks. For those that join the team, we offer competitive compensation and benefits including medical, dental, vision, and retirement. Check out all we have to offer and how you can become part of the Horizontal Talent Team. The pay range for this role is $113 - $160 per hour based on qualifications and experience.