Linktree is seeking a Senior Software Engineer to join the Auth team in Australia. You will own authentication workflows—from signup and login to session lifecycle and tokens—working across TypeScript, Node.js, React and AWS to ship secure, scalable experiences for millions of users.
Collaborate with security, product and platform squads, improve observability, and mentor others as the team grows. This hybrid role is based in Melbourne or Sydney, with flexible remote options and a focus on