Senior Backend Engineer

The opportunity

We're looking for a Senior Backend Developer who can help us build better tools for teachers and students. At Atomi, we're working to improve how people teach and learn, and we need someone who can deliver thoughtful, scalable backend solutions that make a real impact in the classroom. In this role, you'll collaborate with a passionate team to create reliable systems and services—while continuing to grow as a backend specialist.

We’re looking for someone who understands how solid backend engineering underpins great product experiences and learning outcomes. You'll lead improvements in system design, data architecture, and performance—helping us deliver real value to classrooms around the world.

This is a fully remote position, allowing you to work from anywhere in Australia. Our headquarters is located in Ultimo, Sydney, and you're welcome to work there whenever you'd like.

What You'll Do

• Design, build and maintain backend systems and services that power our platform, ranging from content delivery to classroom management and analytics
• Extend and evolve our backend stack, currently built in PHP (Laravel) with a longer-term transition towards NestJS
• Collaborate closely with product managers, designers, and fellow engineers to deliver thoughtful, scalable backend solutions
• Work with relational and non-relational databases, including MySQL and DynamoDB
• Contribute to our GraphQL federation strategy and help integrate backend services into a unified API layer
• Ensure performance, scalability, testing, and reliability are first-class concerns in everything you build
• Mentor mid-level and junior engineers, helping them grow while leading by example