Full Stack Software Engineer SaaS, AI & Infrastructure JJungles Pty Ltd | Buderim, Sunshine Coast, Queensland

Full-time | In-house position

Help us build the next generation of agency software.

JJungles is an Australian technology company developing AgencyOS, an AI-powered SaaS platform designed to transform how digital marketing agencies operate, manage their clients and grow their businesses.

As we continue developing JJungles, we're looking for an experienced, highly capable Full Stack Software Engineer to join our growing internal team in Buderim on the Sunshine Coast.

We're looking for someone who brings strong technical expertise, independent problem-solving ability and the confidence to take ownership of complex engineering challenges.

This is an prospect to contribute directly to an ambitious Australian software product while helping establish the technical foundations of a growing internal engineering team.

About the Role

This is a hands-on engineering position requiring a strong level of technical independence.

You'll work collaboratively with our existing development leadership and wider engineering team, but you'll also be expected to independently investigate problems, design solutions, make sound technical recommendations and deliver work without requiring constant supervision.

We're looking for someone who can take responsibility for substantial areas of the platform, contribute to architecture and security decisions, and provide technical guidance to less experienced developers.

The role combines full stack software engineering with practical experience in cloud infrastructure, application security and modern development practices.

You'll also have opportunities to work with AI-powered features and learn about our proprietary intelligence framework.

Key Responsibilities

Software Engineering & Technical Ownership

- Independently design, develop, test and maintain features across our SaaS platform.
- Take technical ownership of assigned components, services and development initiatives.
- Work confidently across frontend and backend application development.
- Design and maintain APIs, integrations and connected services.
- Investigate complex technical issues and implement reliable solutions.
- Make informed architectural recommendations and explain technical trade-offs.
- Improve application performance, reliability, maintainability and scalability.
- Conduct code reviews and help establish high engineering standards.
- Deliver work independently while collaborating effectively with the wider team.

Security & Infrastructure
- Contribute to the design and maintenance of secure cloud-based infrastructure.
- Work confidently with Linux environments, containerisation and deployment workflows.
- Implement secure application architecture, authentication and access controls.
- Help establish reliable CI/CD pipelines,



automated testing and secure deployments.
- Independently identify, investigate and address application and infrastructure security risks.
- Support monitoring, logging, backups and operational resilience.
- Recommend improvements to infrastructure security, reliability and development practices.
- Help ensure systems are appropriately documented, maintainable and recoverable.

AI & Platform Development
- Contribute to AI-powered functionality and intelligent automation.
- Work with APIs and interconnected platform services.
- Learn the architecture of our proprietary AI intelligence framework.
- Support the secure and reliable integration of AI capabilities across the platform.
- Contribute to architectural discussions and improvements.

Mentoring & Team Development
- Provide technical guidance and mentoring to junior and developing engineers.
- Help less experienced developers improve their coding, debugging and problem-solving skills.
- Conduct constructive code reviews and share engineering best practices.
- Assist with technical documentation and knowledge transfer.
- Encourage independent problem-solving and consistent development standards.
- Collaborate with development leadership while taking responsibility for your own technical work.

Skills & Experience

Essential We're looking for an experienced engineer with strong practical capability in:

- Python and full stack software development.
- JavaScript and modern frontend frameworks.
- REST APIs, system integrations and backend architecture.
- Relational databases and data modelling.
- Linux server administration and troubleshooting.
- Cloud infrastructure and application deployment.
- Containerisation and DevOps practices.
- Git, collaborative development and code review.
- CI/CD pipelines and automated testing.
- Application security, secure coding and access management.
- SaaS architecture and complex web applications.
- Independently diagnosing and resolving challenging technical problems.
- Taking ownership of technical solutions from design through to delivery.

Highly Regarded
- AI integrations, LLM APIs or intelligent automation.
- ERP or CRM platforms.
- Event-driven architecture and distributed systems.
- Infrastructure as Code.
- Cloud security and DevSecOps.
- Secure multi-tenant SaaS architecture.
- Vulnerability assessment and security remediation.
- Infrastructure monitoring and incident response.
- Experience mentoring junior developers or providing technical leadership.





You don't need experience with every technology listed, but you must have strong engineering fundamentals and a demonstrated ability to learn unfamiliar systems independently.

About You

We're looking for someone who:

- Is technically confident and capable of working with minimal supervision.
- Can take ownership of complex problems and follow them through to resolution.
- Understands how large, interconnected software systems fit together.
- Makes sound technical decisions and knows when collaboration is beneficial.
- Takes security, reliability, documentation and code quality seriously.
- Enjoys mentoring others and sharing technical knowledge.
- Communicates clearly with both technical and non-technical colleagues.
- Is proactive, resourceful and comfortable taking initiative.
- Can balance independent work with effective team collaboration.
- Is interested in AI and emerging technologies.
- Wants to contribute to the long-term success of an Australian technology company.
- Enjoys challenging assumptions, being challenged, and growing.

We're particularly interested in engineers who enjoy building products, improving systems and helping others become stronger developers.

Why Join JJungles?

We're building more than another CRM.

JJungles AgencyOS is being developed as a connected software ecosystem with AI at its core, designed specifically for digital marketing agencies.

You'll have the opportunity to:

- Join an Australian-owned technology company developing its own SaaS platform.
- Take genuine technical ownership of meaningful engineering work.
- Work across software development, AI, integrations and infrastructure.
- Contribute to architecture, security and long-term engineering decisions.
- Mentor developing engineers and help strengthen our internal technical capabilities.
- Help shape the engineering practices of a growing technology company.
- Play an important role in the continued development and evolution of AgencyOS.

Location & Employment Location: Buderim, Sunshine Coast, Queensland

Employment: Full-time, in-house

Applicants must have the right to work in Australia and be able to work from our Buderim location.

How to Apply

Please submit your resume and a brief introduction outlining your software engineering experience.

We'd particularly like to hear about:

- A complex application or system you've independently designed, developed or improved.
- Your experience with cloud infrastructure, application security or DevOps.
- Examples of technical problems you've solved without extensive supervision.
- Any experience mentoring junior engineers or supporting other developers.

- Tell me something you have been wrong about recently.

If you have a GitHub profile, portfolio or examples of relevant work, you're welcome to include them.

Join JJungles and help us build the future of agency software.

📌 Full Stack Software Engineer – SaaS, AI & Infrastructure (Sunshine Coast)
🏢 JJungles® AgencyOS
📍 Sunshine Coast