Top Software Engineer Jobs in Sydney

Design and build high-integrity backend systems for investment workflows, ensuring reliability and maintainability while collaborating across teams.

Atlassian Software Engineer Intern will join an R&D team to design, code, and ship features, work on full lifecycle product development, and apply data structures, algorithms, and object-oriented programming under senior engineer mentorship during a 12-week paid program.

As a Software Engineer Intern, you'll create tools for trading strategies, develop research platforms, and collaborate in small teams.

You will lead the development of IT systems and finance integrations, focusing on improving operational efficiency and building AI-driven solutions.

Contribute to development and maintenance of the WiredTiger storage engine for MongoDB, focusing on enhancing performance, managing concurrency, and implementing new features.

The Senior Options Software Engineer will design, develop, and support a high-performance trading platform, collaborating with business leaders to create innovative software solutions and handle complex systems support for trading activities.

As a Software Engineer I in the Mastercard Launch Graduate Program, you will write high-quality code, contribute to software development phases, and collaborate globally to build secure and maintainable software solutions.

Software Engineers at Citadel develop software solutions for trading platforms, optimizing performance and functionality, and support trading activities.

The role involves building and maintaining the front-end checkout experience on the BigCommerce platform using React and TypeScript, collaborating with teams for performance and security, and mentoring junior engineers.

Design, build, and maintain performance benchmarking systems while collaborating with teams to improve MongoDB products. Engage in software features, testing, documentation, and project management as part of early-career development.

As a Frontend Software Engineer intern, you'll develop web applications, implement UI components, integrate with APIs, and collaborate with designers and stakeholders.

Build and maintain high-performance Go backend services and APIs, develop cloud-native AWS microservices, automate media processing, deploy to Kubernetes, collaborate in an Agile squad, ensure code quality via testing and reviews, and up-skill in DevOps practices to productise a large media archive.

As a Software Engineer at NinjaTech AI, you'll develop intelligent web applications using React, Next.js, and Python. Responsibilities include feature building, performance optimization, API integration, and collaborating with the team to meet user needs.

Responsible for runtime firmware development for AI inference processors, optimizing low-level functionality, collaborating with hardware teams, and validating silicon performance.

As a Software Engineer at LEAP, you will develop and maintain web applications, work on both frontend and backend development, ensure scalability and security, and apply best practices in software development.

The Senior Localisation Engineer will build technical frameworks for software localisation, ensuring products are ready for internationalisation and improving global user experiences.

Develop and maintain responsive, high-quality UI in Angular; improve front-end architecture, fix bugs, boost performance, collaborate with UX and backend teams, and participate in agile ceremonies.

As a Senior Full Stack Engineer, you'll design, build and scale features across front-end and back-end systems, ensuring high-quality customer experiences and robust solutions in a cloud-native microservices environment.

The Software Engineer II will design, build, and deliver data-driven systems for digital advertising, working in a collaborative team to implement scalable technology solutions.

As a Senior Software Engineer, you will build and maintain scalable backend services, improve existing systems, collaborate with teams, write clean code, and mentor others.

The C# Software Engineer will design and build high-performance Windows desktop applications, collaborate with teams to meet user needs, and enhance usability and performance.

A Senior Software Engineer will design and maintain features in Ruby on Rails, focusing on production-grade systems for e-commerce payments. Responsibilities include troubleshooting, optimizing performance, reviewing code, and mentoring engineers while collaborating with various teams.

Customize, develop and support the Avaloq Core Platform (AvaloqScript/ACP), design solutions, enforce development best practices, build automated testing, support incident and release management, participate in agile ceremonies, and communicate technical concepts to business stakeholders.

Assist in designing, developing, and testing software applications while collaborating with senior developers on various projects. Gain hands-on experience in software development and exposure to programming languages and tools.

As a Software Engineer, you'll enhance AMP Investments' tech platforms by developing scalable solutions, improving system performance, and driving continuous improvement with a focus on collaborative problem-solving and new technology adoption.