Senior Technical Webmaster / Frontend Marketing Engineer (Astro/Sanity CMS)

Senior Technical Webmaster / Frontend Marketing Engineer (Astro/Sanity CMS) is a remote contract opportunity with Braintrust. The role focuses on Freelance opportunity on Braintrust. The work suits professionals who can apply practical expertise, produce reliable outputs, and communicate decisions clearly in AI-related or digitally enabled workflows. Candidates should be comfortable working independently, following written project instructions, and delivering consistent quality in a distributed environment.

Applicants should bring demonstrated experience in Frontend Development, UI Engineering, Domain expertise. Required working language: English. The role requires clear communication, analytical thinking, and dependable independent work. Helpful additional experience includes Mentoring, Technical leadership, Model evaluation, Design systems. Candidates should be able to document their reasoning, review work carefully, and contribute accurate outputs under remote project conditions.