Media Designer

Who We Are

KORTX is a modern media agency specializing in integrated advertising solutions for brands, agencies, and franchise organizations. We blend programmatic media, creative strategy, and advanced analytics to drive measurable results.

Rooted in the resilience and creativity of Detroit, our team thrives on innovation, collaboration, and accountability. Every member of our team contributes to our shared success, bringing unique perspectives and skillsets to the table.

We are seeking a talented and detail-oriented Rich Media Designer to join our creative team. This role will support the design, build, QA, and delivery of rich media and interactive digital ad units across client campaigns.

The ideal candidate combines strong visual design instincts with hands‑on experience building HTML5 and platform‑based rich media units. They will work within a creative request queue, collaborate closely with Client Services, Programmatic Operations, Product, and Development teams, and help bring new creative concepts to market through mockups, prototypes, and campaign‑ready executions.

This role is important to expanding KORTX’s rich media and creative services offering by delivering high‑quality ad experiences that are visually engaging, technically sound, and aligned with client campaign objectives.

Our office is located in Berkley, MI, local candidates preferred.

• Design, build, and execute standard and custom rich media ad units, including display banners, expandable units, interstitials, interactive video, gamified units, countdowns, dynamic creative, and other interactive ad experiences.
• Build and modify creative units in rich media platforms such as Celtra, with an understanding of platform capabilities, limitations, specifications, and QA requirements.
• Create polished mockups, prototypes, and proof‑of‑concept units to support sales pitches, client presentations, and new creative service opportunities.
• Collaborate with Client Services and Strategy teams to translate campaign goals, audience insights, and client feedback into compelling creative concepts.
• Partner with Programmatic Operations and Development teams to troubleshoot creative, tracking, trafficking, rendering, and platform‑related issues.
• Apply and validate third‑party tracking, including impression trackers, click trackers, viewability/verification tags, and other measurement pixels as needed.
• Ensure all creative units meet brand guidelines, platform specifications, file‑size limits, accessibility considerations, animation requirements, and QA standards.
• Manage multiple creative requests through a queue‑based workflow, prioritizing deadlines while maintaining a high level of quality and attention to detail.
• Contribute new rich media concepts, interaction patterns, animation treatments, and reusable creative templates that can strengthen KORTX’s go‑to‑market offering.
• Stay current on digital advertising formats, rich media trends, HTML5 animation techniques, design tools, creative automation, and emerging ad platform capabilities.

• 3+ years of experience in digital design, rich media production, creative technology, or a related advertising/marketing role.
• Strong portfolio showcasing digital ad campaigns, rich media units, interactive experiences, animation, prototypes, or other digital creative work.
• Proficiency in Adobe Creative Suite, especially Photoshop, Illustrator, and After Effects.
• Experience with rich media or ad‑building platforms such as Celtra, Google Web Designer, Studio, or similar platforms. Celtra experience is strongly preferred.
• Working knowledge of HTML5, CSS, and JavaScript as applied to digital ad formats.
• Experience with Figma for layouts, mockups, components, and collaborative design workflows.
• Strong understanding of digital ad specs, responsive/adaptive layouts, animation timing, file‑size optimization, and cross‑platform QA.
• Excellent visual design skills with strong attention to typography, layout, motion, hierarchy, and brand consistency.
• Ability to manage multiple projects in a fast‑paced, queue‑based environment while meeting deadlines and maintaining accuracy.
• Strong…