Top Technology Jobs & Startup Jobs in Sydney

Design, build, and operate cloud-native backend services in Go for multiple platforms. Own microservice architecture, deployment, and support, interface with end-users and developers, and ensure scalable platform operation for millions of users.

Lead QA automation for Futures across web, desktop, and mobile: design and execute test plans, set up test environments, write automated tests, perform security and performance testing, root-cause analysis, and improve testing processes across the SDLC.

Lead a Data Analyst team to analyze PB-scale transactional and customer data, build algorithmic systems and visualizations, implement ML/LLM solutions for compliance use cases, support business stakeholders with data requests, and translate findings into actionable recommendations.

Design and build backend microservices for real-time fraud detection, transaction monitoring, and risk analysis. Integrate ML models and risk scoring engines, support scalable distributed systems, and leverage AI-assisted development and LLM/agent tools for risk automation.

Design and implement backend systems for a user-facing AI chat product. Collaborate with product, DevOps, and QA; drive best practices, conduct code reviews, and deliver high-quality microservices using cloud infrastructure and message brokers.

Own end-to-end QA for Live Streaming & Content: plan, design, execute tests, and sign off releases across App/Web/Backend/Admin. Lead cross-platform and high-concurrency streaming tests, extend Python/pytest automation and k6 performance suites, collaborate with PMs/engineers/compliance, and contribute to AI-assisted testing initiatives.

Design, implement, and maintain large-scale production infrastructure and configuration management. Automate CI/CD and operational workflows, improve observability, troubleshoot production issues, recommend architecture and security enhancements, and support migrations in collaboration with development and QA.

Entry-level mobile engineer role contributing to Android/iOS hybrid apps and frameworks. Develop, test, and optimize production mobile code (Kotlin/Java, JavaScript/TypeScript, QuickJS), collaborate with UI/UX, use profiling and AI-assisted debugging, write documentation, and support deployments under senior mentorship.

Test and investigate high-performance backend distributed systems: reproduce functional issues, design and run manual tests, build and maintain automation scripts, test APIs/databases/distributed services, identify coverage gaps, perform investigatory testing for unreleased features, and document test reports.

Design, develop, and maintain high-performance, highly available backend services and APIs for Big Data products using Java/Python. Manage full service lifecycle, capacity planning, profiling/benchmarking, troubleshooting, security, and system architecture. Contribute to open-source big data projects and build scalable tools for global operations.