Senior Art Director (remote, 20–40 hrs/week, 6-month engagement) responsible for high-level visual concepting and proposal/presentation design, creating UI/UX mockups and prototypes, maintaining brand and design systems, sourcing and creating graphic assets, guiding designers, and integrating generative AI tools. Requires 4+ years of graphic and UI/UX design experience and proficiency with tools like Figma and Adobe CC. Location options: Costa Rica, Mexico, or Brazil. Resume must be submitted in English.