According to @ThinkingUSD, Fullstack is hiring multiple in-person roles in New York with a referral bonus of $20k+ for successful candidates, as posted on X on August 8, 2025; source: https://twitter.com/ThinkingUSD/status/1953923399354368111. The announcement directs applicants to the active careers portal at careers.fullstack.trade for role details and applications; source: https://careers.fullstack.trade. The post describes the team as working on the hardest problem in crypto and requires in-person presence, but does not list specific titles within the tweet itself; source: https://twitter.com/ThinkingUSD/status/1953923399354368111.