Senior Engineer - Software

Initial 6-month contract + extensions Own end-to-end projects shaping critical energy trading and risk systems Sydney based Join a team that's All Kinds of Useful At Origin, being useful is more than a tagline - it’s how we approach work every day. As a collective, we’re a team that thrives on finding better ways, working together, and owning our impact. From powering homes to delivering award-winning internet and helping to lead Australia’s energy transition. If you’re driven by purpose and excited to be part of something bigger, we’d love to have you on the journey. About the role We’re looking for a Senior Software Engineer to join on a six month contract. You will be part of a high-performing team delivering and maintaining critical energy trading and risk-management systems. As AI reshapes how energy markets operate, this team is at the forefront—embedding intelligent capabilities into the platforms that support Australia’s energy future. This is a senior, hands-on engineering role. You’ll work alongside developers, testers, business analysts and a Delivery Manager across multiple squads, contributing your technical expertise to build reliable, scalable and intuitive solutions. Key Responsibilities Design and develop sophisticated front-end solutions using Angular, creating intuitive interfaces for complex energy-trading workflows. Apply strong engineering practices across solution design, development, testing, code quality and documentation. Participate in code reviews, pair programming and knowledge sharing across the engineering team. Integrate AI-powered features, including LLM-driven insights, intelligent automation and predictive visualisations, into front-end experiences. Collaborate with engineers and business stakeholders to translate complex requirements into robust, scalable technical solutions. Identify opportunities to improve system performance, development processes and technical documentation. About You Demonstrated experience as a Senior Software Engineer with strong, production-level Angular expertise. Proficiency in C# and .NET, with a sound understanding of full-stack development and API integration. Experience with AWS or Azure, including serverless technologies and modern deployment patterns. Strong SQL capability and experience working with Microsoft SQL Server. Practical experience with LLM integration, AI-assisted development tools such as GitHub Copilot or Claude, or intelligent front-end features would be highly regarded. Strong communication and collaboration skills, with the ability to work effectively across technical teams and engage confidently with business stakeholders. Origin - Where good change happens At Origin, we’re powered by people who believe in creating change. We are committed to fostering a diverse, gender equitable workforce, where everyone is welcome, and all applications are evaluated on merit and potential. We encourage applications from Aboriginal and Torres Strait Islander Peoples, people living with disabilities, culturally diverse people, any stage in life, people with intersex variations and people within LGBTQ+ communities, including trans and gender diverse. Enjoy a challenging career in an exciting industry where you can grow and explore your potential. If you think you have transferable skills, an appetite to learn and would be a great fit, we’d love to hear from you. Here's a little about us: Background checks may be required to determine your suitability for this position as part of the recruitment process and during your employment. These checks may include police checks, AusCheck, medical assessment and/or drug and alcohol testing. Please note unsolicited CVs from agencies will not be accepted. Origin recognises Aboriginal and Torres Strait Islander Peoples as the Traditional Custodians of country throughout Australia, and we pay our respects to Elders past, present and future.