Client
A large Commonwealth Agency delivering services to millions of Australians is seeking a Senior Integration Developer. The agency is investing in modern platforms and secure, connected systems to improve how people access government services.

About the role
You will design, build and support secure integrations on the IBM integration suite. Working with developers, testers, architects and the business, you will turn requirements into reliable, well documented interfaces and help lift team capability.

Duties

- Design and build IBM ACE message flows using ESQL and Java
- Develop and secure APIs in IBM API Connect
- Design XML schemas, service interfaces and transformations
- Fix integration and messaging issues across environments
- Lead code reviews and mentor developers

Skills & experience

- Solid hands-on IBM ACE or IIB experience with ESQL and Java
- Experience with IBM API Connect and IBM MQ
- Solid knowledge of TLS, PKI and XML standards and schemas




- Applied ISM, PSPF and Essential Eight in your work
- Active NV1 security clearance required

Benefits

- Long-term contract with potential extensions up to 24 months
- Hybrid work after an initial 6 weeks on site
- Work on platforms that support millions of Australians
- Be part of a large, skilled integration team

Due to the nature of this role, this job is open to Australian Citizens only, you must hold a current NV1/NV2 Security clearance.

Calleo is an equal opportunity employer and we encourage applications from all people including Aboriginal and Torres Strait Islander peoples.

Follow Calleo on LinkedIn and visit our website to keep up to date on all our current job vacancies:
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www.calleo.com.au

📌 Senior Integration Developer (IBM ACE) (Melbourne)
🏢 Calleo
📍 Melbourne