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

We're hiring a Software Engineer III to help build the next generation of developer tooling at Sinch. You'll work alongside a senior engineer on the CLIs, SDKs, web apps, and services that developers use to create, test, deploy, and operate software on Sinch. You'll focus on shipping new features. AI coding tools are part of the daily workflow here, and you'll get hands-on with them from day one. The team moves fast, so we're looking for someone who's already strong and wants to get a lot stronger. Your Impact & Responsibilities

* Build features across our developer-facing CLI, SDKs, web applications, and backend services * Ship improvements that make it faster and easier for developers to deploy and operate services on Sinch * Use AI-assisted workflows in how you build, and help bring those capabilities into what we build * Partner with the senior engineer and product peers to turn problem statements into shipped capabilities * Contribute to reliability, observability, and developer experience as you go REQUIREMENTS

• 3+ years of software engineering experience with full-stack exposure
• Strong TypeScript and modern web application experience
• Comfortable working across frontend and backend code, and willing to go deeper on either side as needed
• Active use of AI coding tools (Claude Code...