Senior Full Stack Developer (Java / React) - Government

APG Workforce; Sydney; On-site; AUD 152,000 - 199,000; Full time

Job summary

APG Workforce is seeking a Senior Software Engineer / Full Stack Developer for NSW Government projects in Sydney CBD. You will design, develop and deliver scalable digital solutions using Java/Kotlin, Spring Boot and ReactJS, with APIs, JSON schemas and relational databases.

The role requires 8+ years in enterprise software, experience with monitoring tools and containers, and collaboration with cross-functional teams to ensure secure, reliable systems and smooth deployment within government

Qualifications

• Minimum 8+ years of experience in software development in enterprise environments.
• Strong experience with Java/Kotlin and Spring Boot.
• Front-end development experience using ReactJS.
• Proven API design, development and integration experience.
• Experience with JSON files and schemas.
• Experience with monitoring/observability tools (Splunk, New Relic or equivalent).
• Solid understanding of MySQL and relational databases.
• Working knowledge of containers and container platforms.

Responsibilities

• Design, develop and maintain high-quality, scalable software applications.
• Develop and enhance full stack solutions using Java/Kotlin, Spring Boot and ReactJS.
• Design, build and maintain APIs to support system integration.
• Work with JSON files, schemas and relational databases to support development.
• Collaborate with technical teams and stakeholders to deliver digital solutions.
• Support end-to-end software development including design, build, test, deploy and maintenance.
• Implement security controls and ensure alignment with standards and best practices.
• Use monitoring/observability tools to identify and resolve issues.
• Provide technical expertise and innovative solutions to improve performance and reliability.
• Collaborate with platform, release and engineering teams to deliver outcomes.

Skills

Java/Kotlin

Spring Boot

ReactJS

API design

JSON files & schemas

Monitoring/observability

MySQL

Containers

Problem-solving

Stakeholder collaboration

Tools

Docker

Kubernetes

Job description

Senior Software Engineer - Full Stack Developer - Government

Senior Software Engineer – Full Stack Developer | $950 per Day + Super | Sydney

APG Workforce is currently seeking an experienced Senior Software Engineer / Full Stack Developer for an exciting opportunity within the NSW Government sector, based in Sydney CBD.
This role will contribute to the design, development and delivery of high-quality digital solutions, working with modern technologies to support critical government services.

The Role

• Location: Sydney CBD
• Start Date: ASAP
• End Date: 16 July 2027
• Pay Rate: $950 per day + superannuation
• Hours: 8 hours per day, 40 hours per week
• Sector: NSW Government

Key Responsibilities

• Design, develop and maintain high-quality, scalable and reliable software applications.
• Develop and enhance full stack solutions using Java/Kotlin, Spring Boot and ReactJS.
• Design, build and maintain APIs to support system integration and functionality.
• Work with JSON files, schemas and relational databases to support application development.
• Collaborate with technical teams and key stakeholders to deliver effective digital solutions.
• Support end-to-end software development, including design, build, testing, deployment and ongoing maintenance.
• Implement appropriate security controls and ensure solutions align with technical standards and best practices.
• Utilise monitoring and observability tools to identify, troubleshoot and resolve application issues.
• Contribute technical expertise, recommendations and innovative solutions to improve system performance and reliability.
• Work collaboratively with platform, release and engineering teams to deliver project outcomes.

Essential Skills & Experience

To be successful in this role, you will demonstrate:

• Minimum 8+ years of experience in software development, ideally within complex enterprise environments.
• Strong experience with Java/Kotlin and Spring Boot.
• Demonstrated front-end development experience using ReactJS.
• Proven experience in API design, development and integration.
• Experience working with JSON files and schemas.
• Experience with monitoring and observability tools such as Splunk, New Relic or equivalent.
• Sound understanding of MySQL and relational databases.
• Working knowledge of containers and container platforms.
• Strong analytical, troubleshooting and problem-solving skills.
• Excellent communication skills and the ability to collaborate effectively with technical and non-technical stakeholders.

Highly Desirable

• Experience with Apigee API management.
• Previous experience delivering digital solutions within government or large-scale enterprise environments.

About You

You are an experienced Full Stack Developer with strong technical expertise across both back-end and front-end development. You enjoy solving complex technical challenges, building reliable and scalable applications, and working collaboratively to deliver high-quality digital solutions.
You are comfortable working in a fast-paced environment, managing competing priorities and contributing to continuous improvement across software development practices.