Senior Developers

Senior Developers (2 Positions) | 12-Month Contract + Extension | Hybrid

• 12-month contract with an additional 12-month extension option
• Locations: Brisbane, Adelaide, Canberra (Deakin), Geelong, Richmond or Sydney (Surry Hills)
• Hybrid working arrangements – minimum 3 days onsite per week
• Australian Citizenship required – must hold or be eligible to obtain a Baseline security clearance
• Opportunity to work with modern API integration technologies, including GraphQL, GoLang, REST APIs and enterprise integration platforms

We are seeking two experienced Senior Integration Developers to join a large federal government agency, contributing to the development and enhancement of a major API integration platform supporting critical digital services.

Working within a collaborative, multidisciplinary Agile team, you will play a key role in designing, developing and implementing secure, scalable integration solutions that connect internal and external systems. This is an excellent opportunity to work with modern integration technologies, contribute to a significant digital transformation initiative and deliver solutions that improve customer experiences.

Your duties will include:

• Design, develop and implement secure, scalable APIs and integration solutions across complex enterprise environments.
• Contribute to the development and enhancement of a major API integration platform.
• Develop and maintain integrations between internal and external systems using RESTful services and web services.
• Work collaboratively within multidisciplinary Scrum teams, using Jira and Confluence to support Agile delivery.
• Prepare and maintain technical specifications, system design documentation and integration requirements.
• Collaborate with development, testing and operations teams to ensure reliable solution delivery.
• Support CI/CD pipelines, source control processes and DevOps practices to improve development and deployment efficiency.

Skills and experience we are looking for:

• Strong experience with modern integration architectures and enterprise platforms such as Kong, Workato, Boomi, MuleSoft, Salesforce or comparable technologies.
• Demonstrated experience designing and developing integration solutions using GraphQL, GoLang and RESTful services.
• Experience building secure, scalable and reliable APIs across complex technology environments.
• Hands-on experience with source control tools such as GitLab and package-based development.
• Proven experience implementing and supporting CI/CD pipelines.
• Excellent communication and stakeholder engagement skills, with the ability to explain complex technical concepts to non-technical audiences.
• Demonstrated ability to collaborate effectively within cross-functional Agile delivery teams.

Highly desirable:

• Experience using Atlassian Jira, VS Code and modern DevOps practices.
• Understanding of accessibility principles and a strong interest in accessible application design and development.
• Ability to manage competing priorities and adapt effectively within a fast-paced delivery environment.

Application Process

This role requires candidates to be Australian Citizens who hold or are eligible to obtain an Australian Government Baseline security clearance.

Applicants will be required to provide an updated resume and responses to the essential selection criteria (maximum 3,000 characters per criterion).

Applications close: Friday, 20 November 2026.

If you would like to apply, please contact Mikayla Reber on 0488 853 161 or email mikayla.reber@talentinternational.com.

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