Top Software Engineer Jobs in Sydney

Lead design and implementation of scalable, high-performance frontend features using React, TypeScript and Next.js. Architect solutions, write and review production-ready code, optimize performance and security, contribute to CI/CD and DevOps practices, mentor junior engineers, and drive domain-wide technical standards.

No responsibilities or qualifications are provided in the job posting beyond the job title.

Lead design and development of scalable backend services in Java, collaborate with PMs and designers to deliver end-to-end product features, drive architecture and reliability improvements, write well-tested production code, mentor peers, participate in code reviews and on-call rotations, and improve service observability and performance.

The Senior Software Engineer will design and implement automation for complex network workflows, collaborate with telco teams, and employ AI-assisted tools for efficient solutions.

As a Senior Software Engineer at Cuscal, you'll design and develop scalable solutions for the payments industry, implement CI/CD pipelines, and ensure software quality and security adherence.

As a Senior Software Engineer, you will design and implement billing systems, ensuring accuracy and reliability in payments and invoicing while working with backend technologies and integrating with platforms like Stripe and Orb.

The Senior Software Engineer will build AI-powered user experiences, develop frontend and backend services, and integrate AI capabilities into legal workflows, while mentoring engineers and ensuring strong engineering standards.

Design and maintain scalable build systems, develop tools for faster iteration, automate processes, ensure deployment reliability, and collaborate across teams.

The Senior Software Engineer will design and build scalable applications, contribute to architecture, mentor engineers, and improve system reliability.

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.

The Senior Software Engineer will design and maintain solutions for internal assessors and partners, focusing on scalable solutions, AI integration, and technical excellence in web development and coding practices.

Lead platform engineering efforts to design and operate cloud-native infrastructure. Build network connectivity features, automate cloud resource provisioning, run business-critical production services, review architecture and code, mentor engineers, and drive platform modernization toward continuous delivery.

Lead design and build of low-latency, massively scalable backend and data-intensive systems for bot and fraud detection. Architect greenfield solutions, implement features across the stack (backend-focused), collaborate with research and product teams, mentor engineers, and drive cross-team architecture discussions.

Design, build, and operate high-performance C++ services and distributed systems for large-scale video/audio ingestion, transcoding, storage, processing, and delivery. Optimize multimedia pipelines for reliability, scalability, performance, and cost, collaborate with cross-functional teams, drive engineering best practices, and troubleshoot complex production issues to evolve Canva's video infrastructure.

Design, build and own core authorization and access-control components (SpiceDB-backed). Drive adoption across product teams, design patterns and tooling, ensure high-availability infrastructure, partner with Security and platform teams, shape identity and access models (including for AI workflows), and mentor engineers on system design and IAM best practices.

Lead architecture and roadmap for mobile development tooling, device orchestration, test automation, and CI/CD quality gating. Consolidate fragmented workflows, set testing standards, build shared quality signals, and mentor engineers while delivering cross-team platform projects.

Build end-to-end features across Next.js frontends, API routes, Go services and Supabase edge functions. Work with the Engineering Lead to deliver the technical roadmap, write tests and docs, review PRs, support scaling and IaC (SST/Pulumi) on AWS/Vercel, and be a dependable on-call senior engineer helping the team ship product-focused increments.

The Staff Software Engineer will architect scalable solutions, optimize systems, mentor juniors, and drive technical vision while engaging in hands-on coding.

As a Software Engineer - L3 Support, you will resolve complex Ubuntu-related issues, collaborate with teams, and participate in upstream communities to drive bug fixes and improvements.

As a Software Engineer, you will resolve complex customer issues related to Ubuntu and open source software, participate in upstream communities, and develop and review code across multiple layers of the software stack.

Design, develop, and maintain backend and frontend systems using the C#/.NET stack. Build RESTful APIs, use EF Core with SQL Server/PostgreSQL, support existing hardware/software, follow Agile practices, write clean code, collaborate with stakeholders, and manage multiple priorities including occasional after-hours work.

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 design, develop, and deploy scalable software solutions while mentoring junior engineers and collaborating with cross-functional teams.

Design, build, and operate production Generative AI systems for insurance workflows. Collaborate with cross-functional teams to enhance AI capabilities and integrate services seamlessly.