Software Engineer III

ABOUT SINCH Sinch is pioneering the way the world communicates. More than 150,000 businesses — including Google, Uber, Paypal, Visa, Tinder, and many others — rely on Sinch’s Customer Communications Cloud to power engaging customer experiences through mobile messaging, voice, and email. Whether you need to verify users or craft omnichannel campaigns, Sinch makes it easy. Our AI-infused Super Network, APIs, and applications ensure you can connect with your customers reliably and securely, at every step of their journey. At Sinch we “Dream Big”, “Win Together”, “Keep it simple”, and “Make it Happen”. These values are our foundation! Description The Account & Access team sits at the very heart of Sinch's central platform. We own the customer account model and the high-performance access control engine powering the Sinch Build portfolio of products. Our mission is critical: we design the systems that shape how both external customers and internal product teams securely interact with our platform. Every piece of code you write here directly impacts the customer experience, platform security, and developer velocity. As our new Software Engineer III, you will take end-to-end ownership in a collaborative, "you build it, you run it" environment. Specifically, you will: • Architect & Build: Design, test, and operate highly available, distributed services for customer accounts and secure access control (APIs, customer-facing UIs, and internal admin panels). • Own Platform Security:…