Location: Melbourne, Hybrid | Type: Contract | Senior Full-Stack Developer A high-impact contract opportunity is available for an experienced Senior Full Stack Developer to join a forward-thinking technology company in the digital solutions space. This hybrid role will see you designing and developing advanced web applications using ReactJS, C#, and PostgreSQL, with a strong focus on Progressive Web Apps (PWAs) and API integration. Collaborating with cross-functional teams, you'll play a key role in delivering scalable, high-performance solutions while contributing to best practices, code quality, and system architecture. The Opportunity You will play a pivotal role in delivering high-quality digital solutions by leading the development of web and mobile applications across key platforms. This opportunity involves working with modern technologies such as ReactJS, C#, and PostgreSQL, while collaborating closely with design, product, and backend teams to drive performance, scalability, and innovation across customer-facing systems and internal tools. Key Responsibilities Web Application Development: Design, develop, and maintain advanced web applications using ReactJS and PWAs. Mobile Application Development: Build and maintain mobile applications using React Native (nice to have non-essential). Backend Development: Develop and maintain server-side logic, ensuring high performance and responsiveness using C#. Database Management: Design, implement, and maintain database schemas using PostgreSQL. API Integration: Integrate third-party APIs and develop custom APIs as required. What We're Looking For Essential Experience: Full stack development with ReactJS, C#, and PostgreSQL Scalable web app and PWA delivery experience API development and third-party integrations Agile team collaboration across design and product CI/CD, Git, and DevOps familiarity Cloud exposure (AWS, Azure, or GCP) Strong troubleshooting and performance tuning skills Clear communicator with a proactive mindset Apply now to design, develop and implement a new greenfield solution. For a confidential discussion or to request a detailed briefing, please contact us directly. JOBREF: 06810-0013227421FM By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice: https://www.roberthalf.com/au/en/privacy. Please do not submit any sensitive personal data to us in your resume (such as government ID numbers, ethnicity, gender, religion, marital status or trade union membership) as we do not collect your sensitive personal data at this time.