Backend Developer Jobs in Australia

Backend Engineering at Bjak builds the core systems for its AI Neobank app, enabling reliable financial services across markets. The role designs and implements scalable APIs, workflows, and infrastructure for onboarding, payments, cards, transfers, rewards, travel, FX, KYC, and risk, collaborating with product, frontend, mobile, and AI teams.

Cochlear seeks a Senior Backend Developer with DevOps expertise to join a new project in Sydney. The role involves designing robust backend services in JavaScript/TypeScript, deploying serverless and containerized solutions on AWS, and managing infrastructure as code with Terraform.

Join a cutting-edge decentralized exchange (DEX) team as a Developer, where you will focus on enhancing cross-chain liquidity and optimizing swap processes. Your expertise will drive the development of API services and the implementation of trade routing logic to ensure seamless operations.

Risk Tech Team at Binance builds real-time risk control systems protecting users and billions in daily trading volume. The Backend Engineer designs, develops, and maintains core risk platforms, implements real-time rules and scoring models, writes technical documentation, and troubleshoots issues.

Join us and experience Bunnings from the other side of the counter! We are seeking an experienced Backend Software Developer - .NET to join our Bunnings Technology team.

Backend Engineering team building high-performance APIs for real-time fraud detection. Designs, develops, and optimizes scalable backend services, participates in on-call rotation, and mentors junior engineers.

Product Platform SG at Canva builds shared backend frameworks and APIs that enable teams to ship consistent, fast, and reliable experiences at global scale. As a Senior Backend Engineer you design and implement scalable shared services, internal apps, and platforms, collaborating with product teams to improve architecture patterns, reliability, and developer productivity.

Product Platform Supergroup builds Canva’s shared product foundations, creating backend frameworks and developer APIs that power fast, reliable experiences. As a Senior Backend Engineer you will design and implement scalable shared services, partner with product teams to co‑design abstractions, improve observability and rollout processes, and mentor engineers to foster simplicity and reliability.

Product Platform Supergroup builds Canva’s shared product foundations across client and application platforms, enabling teams to ship consistent, fast, reliable experiences at global scale. As a Senior Backend Engineer you will design and implement scalable shared services and developer APIs, partner with product teams to co‑design abstractions, and mentor engineers to raise engineering standards.

Propylon Government Solutions team at RWS Group builds advanced document‑management applications for governments. The Senior Backend Developer leads Python/Django backend development, mentors junior engineers, and drives best‑practice patterns across multiple code repositories.

Product Platform Supergroup (SG) builds Canva’s shared product foundations across the Client Platform, Application Platform, and Product Insights Enablement, enabling teams to ship consistent, fast, and reliable experiences at global scale. As a Senior Backend Engineer, you design and implement scalable shared services, internal apps and platforms that accelerate product development and improve developer productivity.

Product Platform Supergroup (SG) builds Canva’s shared product foundations, creating backend frameworks, APIs, and developer tools that enable fast, reliable experiences at scale. As a Senior Backend Engineer you will design and implement scalable shared services, internal platforms, and APIs, partner with product teams to co‑design abstractions, and mentor engineers to raise engineering standards.

Senior Java Engineer (Web3 Data) to design and build next-generation on-chain data processing pipelines. Role involves architecting high-performance, scalable backend systems for parsing, transforming, and analyzing blockchain data across multiple chains in real time.

CoinJar, a leading global cryptocurrency exchange founded in Melbourne, seeks a Senior Backend Engineer to architect and maintain its cloud-native, high‑availability backend. The role demands deep expertise in distributed systems, microservices, and Ruby, with a strong focus on TDD, security, and AI‑augmented development tools.

Platform-Trust Team at Kick builds real‑time, large‑scale systems to detect and prevent fraud and abuse for a global live‑streaming platform. The Senior Backend Engineer designs and optimizes high‑performance pipelines, collaborates with product and engineering stakeholders, and mentors junior team members.

Experiments team at Canva builds Pilot, the A/B testing platform that powers product decisions. As Staff Backend Engineer, you shape the technical vision for AI‑driven experimentation, design scalable architecture, mentor engineers, and collaborate with PM, PD, Data Science, and platform teams.

We are seeking an experienced Backend Java Engineer to build scalable, secure payment solutions for our Global Payment Card, Fiat team. The role involves designing APIs, integrating payment partners, and exploring Web3 and AI technologies to enhance processing and security.

Senior Backend Engineer at Airwallex builds high‑performance FX services, evolves microservice architecture, and ensures reliability through observability and robust controls.

Embedded Software Interfaces team at DroneShield builds robust APIs for embedded devices used in critical security environments. The Senior Backend Engineer designs high‑performance gRPC and REST services, defines schema standards, and ensures reliability across constrained CPU, memory and network conditions.

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.