Remote Principal Software Engineer – Fintech SaaS Full-Stack

Humankind is seeking an experienced Principal Software Engineer to lead backend and full-stack development in a fintech SaaS environment, delivering scalable solutions from design to production. You will own architecture, guide teams, collaborate with clients and stakeholders, and apply AI-assisted tooling to accelerate delivery, with strong emphasis on TypeScript/JavaScript, Node.js, React and AWS. J-18808-Ljbffr