Senior Full Stack / API Software Engineer Canberra, ACT (Hybrid) Contract Opportunity | Initial term to June 2027 extension options Baseline Security Clearance required (or ability to obtain) About the Role We are seeking experienced Senior Full Stack / API Software Engineers to join a high-performing technology team delivering enterprise-scale digital solutions within a large and complex government environment. This role offers the opportunity to work across modern cloud-native platforms, APIs, and enterprise applications while contributing to large-scale transformation and integration initiatives. You will play a key role in software development, technical leadership, system integration, and continuous improvement activities within an Agile delivery environment. Key Responsibilities As a Senior Software Engineer, you will: Design, develop and maintain scalable enterprise applications and APIs Participate in technical analysis, architecture and solution design activities Develop modern web applications using JavaScript/TypeScript frameworks Deliver RESTful API solutions and system integrations Troubleshoot production issues and implement fixes and enhancements Contribute to CI/CD pipeline development and automation Support testing, release management and deployment activities Collaborate with cross-functional teams in Agile/Scrum environments Produce and maintain technical documentation and deployment artefacts Provide technical leadership, mentoring and peer reviews Technical Skills & Experience Essential Node.js TypeScript / JavaScript Angular and/or React REST API design and development PostgreSQL AWS cloud services Azure DevOps CI/CD pipeline development Agile / Scrum delivery environments Highly Desirable OpenAPI / Swagger Apache Kafka IBM WebSphere HTML/CSS Infrastructure and networking knowledge Security and encryption principles System integration experience What You'll Bring Strong full stack development capability Experience delivering enterprise-grade software solutions Excellent problem-solving and troubleshooting skills Ability to work across multiple concurrent projects Strong communication and stakeholder engagement skills Commitment to software engineering best practices and quality delivery Working Arrangements This is a hybrid Canberra-based role. Successful candidates will initially work onsite full-time during onboarding and transition periods. Flexible working arrangements may be considered thereafter, with ongoing onsite attendance requirements. Why Apply? Long-term contract opportunity with extension potential Work with modern technologies and cloud platforms Collaborative Agile delivery environment Opportunity to contribute to complex, high-impact digital transformation initiatives Supportive and technically skilled team environment If you are a motivated Senior Software Engineer looking for your next challenge in a large enterprise environment, we encourage you to apply. To be considered for the role click the 'apply' button or for more information about this and other opportunities please contact Rashmi Kapse on 612 6151 9206 or email email_hidden and quote the 274095 job reference number. Paxus values diversity and welcomes applications from Indigenous Australians, people from diverse cultural and linguistic backgrounds and people living with a disability. If you require an adjustment to the recruitment process, including the application form in an alternate format, please contact me on the above contact details.