Senior Backend Engineer - Java - User Platform

Sydney, AustraliaFull-timePosted Jul 21, 2026
Google Chrome Microsoft Edge Apple Safari Mozilla Firefox Senior Backend Engineer - Java - User PlatformFull-timeRecruitment type: PermanentJob DescriptionJoin the team redefining how the world experiences design.Hey, g'day, mabuhay, kia ora,你好, hallo, vítejte!Thanks for stopping by. We know job hunting can be a little time consuming and you're probably keen to find out what's on offer, so we'll get straight to the point. Where and how you can work Our flagship Sydney campus is uniquely Canva - an extension of our Surry Hills neighbourhood. It’s a thoughtfully designed space with plenty of room to collaborate, focus, and connect. This role is based in Sydney, and we’re looking for someone who calls it home. Our hybrid way of working gives you the flexibility to work remotely, and to come together on campus for meaningful in-person collaboration and connection when it matters most. We trust our Canvanauts to choose the balance that empowers them and their team to achieve their goals.What you’d be doing in this roleAs Canva scales change continues to be part of our DNA. But we like to think that's all part of the fun. So this will give you the flavour of the type of things you'll be working on when you start, but this will likely evolve.At the moment, this role is focused on:You’ll have the opportunity to work on some of Canva’s most essential and high-performance backend systems — the User Platform.Our mission is to scale our authentication platform to support 10x the number of users we have today. To achieve this, you’ll:Collaborate within a backend-focused engineering team to extend and scale the backbone of Canva’s microservice landscape — the User Product.Design, build, and maintain high-performance systems for user authentication and management.Develop reusable and scalable building blocks that enable teams across Canva to build on top of the User Platform.Partner with stakeholder teams to evaluate requirements, align timelines, and optimise solutions for customer value.Participate in on-call rotations and contribute to incident response as needed.Enhance the experience for large Enterprise and Education customers, supporting their advanced organisational needs.You're probably a match ifYou have ex perience collaborating effectively with teammates and communicating clearly.Are firmly grounded in computer science and engineering fundamentals, including concurrency, multithreading, data structures, solution design, architecture, and design patterns.Have a strong background in designing, building, and operating high-performance, large-scale Java backend systems.Bring a problem-solving mindset to complex challenges.Nice to have:Experience with authentication and authorisation systems (a huge plus).Familiarity with SQL.Experience with DynamoDB.Communicate clearly with s trong written and verbal skills. About the teamIn User Platform, we break up existing services and build new ones from scratch to prepare Canva’s authentication platform for the future. We care about software design and its impact on the user. We constantly aim to get the most performance out of AWS resources, and along the way, we ship new features to improve the user experience for Enterprise and Education users.About the roleAs a senior backend engineer, you will be collaborating to build up and scale the backbone of Canva’s User Management: the User Product. The User Product team plays an essential role in keeping our auth pipeline extendable and scalable for our 260 million monthly active users.You will be involved in designing, building, and maintaining new features to improve and extend the experience for Pro and Enterprise teams and organisations by providing world-class authentication and user management experiences. This role entails constant collaboration with other teams across Canva, giving you a lot of exposure to what other teams are working on and giving you the opportunity to connect the dots.What's in it for you?Achieving...

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