Backend Developer Jobs in Australia

Targeting Systems team at Amentum develops backend data services and database components to enable application functionality and data processing. The Backend Database Developer builds scalable, secure data services, integrates databases and APIs, and shares knowledge with customers and stakeholders.

Backend Engineering at Bjak builds the core systems behind the AI Neobank app, enabling reliable APIs, workflows and financial product infrastructure at scale. The role designs and implements backend services for onboarding, payments, cards, transfers, KYC and risk, while ensuring reliability, security and observability.

OpenTable’s Private Dining Team in Melbourne is building next-generation event management for top restaurant groups. This Senior Engineer role involves architecting scalable C# .NET backend services and RESTful APIs while driving end-to-end project execution from design to deployment.

Megaport is the global leader in Network as a Service (NaaS), headquartered in Brisbane with a team of 600+ across Asia-Pacific, Europe, and the Americas. As a Senior Backend Engineer, you will own product evolution, modernize legacy components, build secure RESTful APIs, reduce technical debt, and mentor junior engineers within a remote-first culture.

Equal Experts is a consultancy delivering custom software solutions for enterprise and public sector clients. As a Senior Backend Engineer you will design and deliver enterprise‑scale distributed systems, mentor client teams, and champion agile practices such as TDD, pair programming and CI/CD.

Propeller is seeking a Senior Backend Engineer to join its Sydney, Australia team on a hybrid work model. Propeller builds integrated hardware and software products that capture accurate 3D versions of worksites, helping customers map, measure, and manage site activity while reducing wasted fuel, time, and money.

Cashalo team at Tilt builds the core technology powering financial access for millions of Filipinos. The Senior Backend Engineer designs, builds, and scales .NET and Azure backend services, optimises SQL Server data models, and ensures platform reliability while collaborating across the Philippines, India, and the US. Remote work with travel 2-4 times/year, based in Melbourne, Victoria, Australia.

TikTok Live Revenue Engineering Team builds the cutting‑edge revenue ecosystem for live streaming, including gifting and other innovative features. As a Backend Engineer you will design and develop high‑performance, large‑scale distributed systems that serve billions of users, lead technical projects, and collaborate with product managers to enhance the live streaming experience.

Rockstar is recruiting for a fast-growing, profitable company that is blending humans and AI to build a new infrastructure for employability. This client is focused on empowering employers to recruit talent at a fraction of the traditional cost, unlocking more opportunities for everyone.

Engineering team at Mathspace builds interactive learning software that transforms maths education for students and teachers worldwide. The Senior Software Engineer, Backend enriches Mathspace web and mobile apps, collaborates with product owners, designers, and engineers to deliver valuable features, and tackles complex problems with creative solutions.

Backend Engineering at BJAK builds the core systems for the AI Neobank app, enabling reliable APIs, workflows and financial product infrastructure at scale. The role designs and implements backend services for insurance, payments, wallets, savings, investing and travel, collaborating with product and mobile teams to ship customer‑facing journeys.

Atlassian is seeking a Principal Backend Software Engineer to join its world-class engineering organization, focused on delivering creative improvements for engineering teams while advancing AI and supporting customers' transition to the cloud across products like Jira, Confluence, Trello, and Bitbucket. In this role, you will tackle the largest and most complex technical problems, lead architecture and code reviews, drive company-wide initiatives, and mentor junior engineers.

TikTok Live Revenue Engineering Team builds the cutting‑edge revenue ecosystem for live streaming, including gifting and other monetization features. The engineer will design and lead large‑scale technical projects, develop high‑performance distributed systems serving billions of users, and shape engineering strategy and culture.

TikTok LIVE Foundation team builds live streaming tools for SMB merchants and creators, enhancing product capabilities and revenue features for millions of users. As a Backend Engineer Intern you will design and implement scalable backend services, lead technical projects, and contribute to engineering strategy and tooling.

Platform Engineering Team builds the multimedia infrastructure that powers TikTok, focusing on Video‑on‑Demand technology. The intern will design, develop, and maintain large‑scale video processing systems, contribute to cost‑saving VoD strategy platforms, and work on distributed task processing and data analysis.

Media Platform Team at TikTok builds the multimedia infrastructure powering TikTok and other products. As a Backend Software Engineer Graduate you will design and develop high‑performance distributed and cloud‑native AI computing platforms for multimodal data processing and real‑time AI applications.

Stake Engine engineering team builds the backend platform for Easygo Gaming's crypto gaming server. The Senior Backend Engineer will design and scale backend services using Go and Rust, own production systems end‑to‑end, and optimise cloud infrastructure with Kubernetes and Terraform while contributing to data platforms powered by ClickHouse.

TikTok LIVE Foundation Team builds product capabilities and creator services to help SMB merchants and creators grow via live streaming. The Backend Software Engineer will lead large‑scale technical projects, design high‑performance, reliable systems serving billions of users, and collaborate across functions to deliver rapid product development.

Trust and Safety (TnS) engineering team at TikTok builds systems to protect users from harmful content and abusive behavior. As a Backend Software Engineer Graduate you will research and develop safety process, strategy platforms, and high‑concurrency systems for international live‑streaming products.

Trust and Safety engineering team at TikTok protects users from harmful content and abusive behavior. As a Backend Software Engineer Intern you will research and develop safety systems for international live streaming, building high‑concurrency, high‑stability platforms and improving review efficiency.