Salesforce Marketing Cloud Developer SSJS (Server-Side JavaScript) – scripting, automation, API calls, DE operations JavaScript (front-end & SFMC-specific) HTML & CSS – email development + CloudPages AMPscript – Personalization, data lookup, dynamic content Platform Skills Automation Studio – SQL, SSJS, data automation Journey Builder – multi-step journeys, event triggers Email Studio – template development, personalization SQL – segmentation, transformation, joins, ETL inside SFMC SFMC APIs (REST/SOAP) – for integrations and triggered sends