HumanSignal remote first Open remote roles (5) Content Creator (Flexible Gig) HumanSignal Remote content Data Collection Contributor HumanSignal Remote Senior Backend Engineer HumanSignal $140k–$200k Remote senior python django postgres Senior Frontend Engineer HumanSignal $140k–$200k Remote senior lead react typescript Senior Full Stack Engineer HumanSignal $140k–$200k Remote senior react typescript python