• Architect and operate backend services driving complex billing logic and transaction processing • Develop Python-based APIs and services, leveraging AI-assisted tools to accelerate delivery and quality • Own features end-to-end, from initial design and technical scoping through implementation, testing, deployment, and ongoing production support, ensuring high quality, scalability, and maintainability • Drive AI adoption across the platform by identifying opportunities to integrate AI into backend services and workflows, and developing AI-powered solutions that improve automation, efficiency, and developer productivity • Develop and support single-page applications (SPAs) using Vue, contributing to frontend components that enable seamless interaction with backend services and APIs • Collaborate within small, cross-functional engineering teams to deliver features iteratively, contributing to design discussions, code reviews, and shared ownership of system architecture and quality • Work closely with Product Managers and other CloudBlue teams to translate business requirements into technical solutions, align on priorities, and ensure successful delivery of platform capabilities • Partner with your Engineering Manager on growth and career development • Support other tasks or projects as assigned to meet team and business needs

• Work directly with customers and internal teams to design and implement solutions that fit how hardware teams actually operate, from their toolchains to their deployment environments. • Build automation workflows that streamline and optimize circuit design processes, leveraging AllSpice’s platform and backend systems. • Develop integrations with third-party APIs such as PLM and manufacturing tools. • Contribute across the stack, from backend services to front-end interfaces, within the AllSpice Actions product. • Partner with the expansion team on other product initiatives across the stack, ensuring your work has impact not only on the customers you serve, but also the platform everyone builds on, as priorities evolve. • Maintain and elevate code quality, fostering strong engineering practices through reviews, mentorship, and thoughtful design.

• Collaborate with the CTO to design, build, maintain, and debug features across the platform. • Develop and maintain integrations with third-party APIs and services • Contribute to both frontend (React Native, Flutter, TypeScript) and backend (Node.js) development. • Ensure performance, security, and scalability as the product grows. • Participate in code reviews and contribute to best practices. • Work in a small, agile team where you’ll take ownership of projects end-to-end and drive decisions with long-term impacts.

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Software Engineer I, 2027 Mastercard Launch Graduate Program - Sydney, Australia Mastercard works to connect and power a sustainable and inclusive global economy. Software engineers at Mastercard build the systems that process transactions, analyze data and detect fraud to gain insight into the direction of the economy on behalf of our customers. We are focused on building simple, safe and smart solutions that instill trust in every interaction. Our industry expertise is enhanced by our commitment to being a force for good in the world and to doing well by doing good. Mastercard relies on our global workforce to help us achieve our goal of building a sustainable, inclusive global economy. We cultivate an environment for all employees that respects their strengths, views, and experiences through a global and collaborative culture of inclusion and a sense of belonging. Mastercard software engineering teams are obsessed with security, reliability, and performance and driven to deliver solutions that delight our customers. We are looking for talented software engineers to develop advanced technologies and applications that are revolutionizing payments. - Are you passionate about software engineering? - Do you enjoy seeing your code have real-world impact on a wide range of customers and important problems? - Do you want to join a company that offers a competitive benefits program that attracts and retains the most talented engineers around the world? - Do you want to work for a company that offers additional benefits that match our values such as flexible work hours, paid volunteer days, charitable matching, and tuition assistance? - Do you thrive in a place where you are continuously learning more while growing your skills and career? - Do you want to join an inclusive culture where employees, in all their diversity, feel valued, respected, and who can bring their authentic selves to work? Learn more at Mastercard's Corporate Sustainability Report. The Software Development Engineer I is a full-time role within Mastercard Launch, a cohort based, graduate development program designed to build the skills you'll leverage most as an innovator in the payments space. Eligibility requires that you currently be a graduating senior, pursuing a relevant degree. Role: - A hands-on engineer who writes high-quality code with a focus on security, design, and maintainability. - Contribute to all phases of software development from design through rollout. - Have strong ownership of your team's software including monitoring, dependencies, build, and deployments. - Communicate, collaborate and work effectively in a global environment. About You: - Undergraduate or Master's students graduating in July 2026 - Feb 2027 - Able to start work on 1 Feb 2027 (Start Dates are fixed) - Strong foundation in algorithms, data structures, and core computer science concepts. - Proficiency in one or more general-purpose programming languages such as Java, JavaScript, C#, Python, etc. - Strong written and verbal English communication skills. - Strong analytical and excellent problem-solving skills. Visa Sponsorship: Mastercard Australia cannot sponsor intern and full-time employment visas, and only candidates who possess full legal working rights in Australia will be considered (PRs & Citizens of AUS/NZ only). Corporate Security Responsibility All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: - Abide by Mastercard's security policies and practices; - Ensure the confidentiality and integrity of the information being accessed; - Report any suspected information security violation or breach, and - Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.