Top Software Engineer Jobs in Sydney

Design, build, and maintain .NET microservices and full-stack features on AWS. Implement APIs (REST, gRPC), containerised deployments (Docker, Kubernetes), CI/CD, automated testing, observability, and support product rollouts while collaborating in an agile product team.

The Senior Software Engineer will design, develop, and deploy scalable software solutions while mentoring junior engineers and collaborating with cross-functional teams.

Lead the development and operation of VALORANT's global services platform, focusing on scalability and maintainability while mentoring engineers and advocating for player and team needs.

Lead console development for an unpublished game. Collaborate across teams, solve technical problems, optimize performance, and mentor new engineers.

The Senior Software Engineer will lead a squad to deliver technical solutions, architect enterprise SaaS applications, and ensure system performance, reliability, and security while fostering an engineering culture of excellence.

Build and deliver frontend features across Vue, Angular, and React surfaces; write well-tested TypeScript; own features end-to-end; collaborate with product, design, and backend on a serverless AWS stack; mentor engineers and evolve frontend architecture for scale.

No responsibilities or technical details are provided in the posting beyond the job title. The listing only identifies the role as Senior Software Engineer and includes an equal opportunity and drug-free workplace statement.

As a Software Engineer II at Eucalyptus, you will develop and enhance their telehealth infrastructure, collaborating with a cross-functional team and ensuring high-quality software delivery.

Design and build an in-house fraud/risk evaluation platform as a senior full-stack engineer. Translate product requirements, review architecture, implement cross-stack services, own monitoring and alerting, and collaborate with stakeholders to deliver real-time decisioning capabilities.

Design, build, and scale high-performance Java backend systems for Canva's User Platform. Collaborate on microservices to authenticate, authorize and manage users, groups and teams; optimise AWS resources; deliver features for Enterprise and Education customers; work with stakeholders to align requirements and timelines and improve scalability and performance.

Lead architecture and roadmap for mobile development tooling, test automation, and CI/CD quality gating. Consolidate fragmented mobile workflows, define testing standards, build shared quality signals, and mentor engineers while delivering cross-team infrastructure at scale.

Design, build, and own core authorization and access control systems (SpiceDB-backed); drive adoption and integrations across product teams; deliver high-availability backend services; partner with Security and API Platform; shape identity and access models for AI workflows; mentor engineers on system design and IAM best practices.

Design, build, and deploy liveness detection systems using deep learning to detect biometric spoofing. Engineer and optimize models, perform feature engineering, preprocess and validate large biometric datasets, implement algorithms for multimodal biometric inputs, and maintain production systems with monitoring and validation against spoofing techniques.

Design and develop liveness detection systems using deep learning to detect biometric spoofing. Build, train, and optimize models, engineer features, preprocess large biometric datasets, implement algorithms for real-time detection, validate against spoofing techniques, and deploy and monitor scalable production systems.

As a Senior Software Engineer, contribute to maintaining and improving the release pipeline for VALORANT, collaborate with teams, and mentor junior members. Focus on automation, orchestration, and delivering high-quality content consistently.

As a Senior Software Engineer, you'll design and deliver scalable software, lead complex technical projects, and ensure quality code while mentoring junior engineers.

Develop and maintain high-security mobile applications using React Native, Swift, or Kotlin. Implement biometric authentication and secure key storage, collaborate with cross-functional teams to design and deliver features, troubleshoot performance issues, and propose technology improvements to enhance security and user experience.

Develop and optimize Soroban smart contracts on the Stellar network, integrate anchor services for cross-border payments, collaborate with teams, test and debug contracts, document processes, and provide technical support while staying current with blockchain and payments trends.

Implement EVM-compatible features, optimize gas usage, develop and test smart contracts, validate Ethereum infrastructure, provide technical support, and collaborate on Ethereum performance and tooling improvements.

Lead design and development of Canva's experimentation backend platform: build reliable distributed systems, enable experiment setup/targeting/measurement, improve guardrails and alerts, collaborate with data scientists, and drive adoption across product teams while exploring AI-assisted analysis.

Design, develop, and deliver next-generation software for Honeywell's industrial automation systems. Work across the SDLC on real-time, distributed, and AI-enabled control solutions, collaborate with cross-functional teams and customers, perform code reviews and QA, and support global R&D integrations and product introductions for industries like Oil & Gas, LNG, and Mining.

The Senior Software Engineer will enhance the developer experience, drive product development, and lead cloud-native architecture initiatives, collaborating across teams to deliver high-quality software.

Own end-to-end reliability of browser-based capture: design, implement, and ship extension and persistence across Meet, Zoom, and Teams. Build observability, SLOs, tooling, and experiments to improve capture success and durability; mentor engineers and lead ambiguous system work from framing to rollout.

Lead design, development, and maintenance of scalable SaaS fraud-detection systems. Mentor junior engineers, conduct code reviews, author technical documentation, collaborate cross-functionally, and introduce new tools to improve platform quality and scalability.

Dragonfly is seeking Software Engineers for various portfolio companies, focusing on crypto technologies. Engineers of all experience levels are needed across multiple stacks.