Client
A large Commonwealth Agency delivering services to millions of Australians is seeking a Senior Integration Developer. The agency is investing in contemporary 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
Strong 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

Perks
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 chance employer and we encourage applications from all people including Aboriginal and Torres Strait Islander peoples.

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📌 Senior Integration Developer Ibm Ace Melbourne
🏢 Calleo
📍 Melbourne