Senior Integration Developer - 12 months Fixed Term

Fusion5; Sydney; On-site; AUD 150,000 - 190,000; Full time

Benefits offered by this job

Collaborative culture

Flexible work arrangements

Birthday leave

Volunteer days

Social events

Professional development

Job summary

Fusion5 is seeking a Senior Integration Developer to join our Australian Data & Integration team on a 12-month fixed-term maternity cover contract. You will deliver end-to-end integration solutions across MuleSoft, Azure Integration Services and associated iPaaS platforms, working on complex customer environments with senior technical guidance.

You will contribute to design, build and support of integrations, APIs, and messaging services while ensuring platform reliability, governance and

Qualifications

• Significant senior integration delivery experience across enterprise environments.
• Strong hands-on MuleSoft design, development and delivery in customer environments.
• Experience with Azure Integration Services, Dell Boomi and Workato.
• Proven ability to design API-led, event-driven and messaging-based integrations.
• Solid understanding of REST, middleware patterns and distributed systems.

Responsibilities

• Design, develop and support enterprise integration solutions across MuleSoft and Azure iPaaS platforms.
• Analyze requirements, system constraints and patterns to guide deployment approaches.
• Build and integrate APIs and messaging services across Salesforce, SAP, S3 and Azure.
• Develop messaging solutions using Solace, Azure Service Bus and Kafka.
• Lead end-to-end delivery lifecycle from requirements through production support.
• Support migration from legacy middleware to modern iPaaS solutions.
• Provide senior technical guidance to project teams and customers.
• Apply disciplined release practices using Maven, Jenkins and Git.

Skills

Senior delivery

MuleSoft

Azure Integration Services

API-led integration

REST APIs

Troubleshooting

Consulting

Enterprise integration

Education

Software Development or IT degree

Tools

MuleSoft

Maven

Jenkins

Git

Salesforce

SAP

Kafka

Dell Boomi

Workato

Azure Service Bus

Job description

• 12-month fixed-term maternity cover role supporting Fusion5's Australian Data & Integration capability
• Hands-on senior integration role across MuleSoft, Azure Integration Services, messaging and enterprise application integration
• Help deliver reliable, scalable integration outcomes across complex customer environments

At Fusion5, we're more than a solutions provider - we're a Transformation Partner. Across Australia and New Zealand, we help ambitious organisations go beyond by unlocking greater value, innovation and impact from their technology investments. With business applications, AI, cloud, data, integration and managed services, we bring together connected solutions that solve real business problems and deliver lasting value. We're deeply committed to our customers' success, and we bring that same energy and care to support our people.

We're now looking for a Senior Integration Developer to join our Australian Data & Integration team on a 12-month fixed-term maternity cover contract, with potential to extend. This role is suited to a proven integration specialist who can step confidently into complex customer environments, contribute hands-on to delivery, and provide senior technical guidance across enterprise application integration, modern iPaaS platforms and messaging-based architecture.

What You'll Do

In this role, you'll contribute to the design, build and support of end-to-end integration solutions while helping maintain high standards across delivery quality, platform reliability and technical governance. You will:

• Design, develop and support enterprise integration solutions across MuleSoft, Azure Integration Services and related iPaaS/middleware platforms
• Contribute to end-to-end solution design, including analysis of integration requirements, system constraints, interface patterns and deployment approach
• Build and integrate APIs, REST web services and middleware services across systems such as Salesforce, SAP, Amazon S3 and Azure services
• Develop and support messaging-based solutions using technologies such as Solace, Azure Service Bus and Kafka.
• Work across the full delivery lifecycle, from requirements analysis and solution design through build, test, deployment and production support
• Support migration and uplift from legacy middleware platforms to modern iPaaS and cloud integration services
• Help assess existing integration platform capability and contribute practical recommendations for improvement
• Diagnosing and resolving complex integration issues using structured troubleshooting and root-cause analysis
• Apply disciplined development, version control, deployment and release practices using tools such as Maven, Jenkins and Git
• Provide senior technical guidance to project teams and customers, bringing calm, pragmatic problem-solving to complex delivery environment

What You'll Bring

This role suits someone with strong senior integration delivery experience, practical consulting judgement, and the confidence to work across multiple platforms and customer industries. You're likely to bring:

• Significant experience in enterprise application integration, middleware and iPaaS delivery
• Strong hands-on experience with MuleSoft, including integration design, development and delivery in customer environments
• Experience across additional integration technologies such as Azure Integration Services, Dell Boomi and Workato.
• Practical experience designing and developing API-led, event-driven and messaging-based integration solutions
• Strong understanding of REST web services, middleware patterns, distributed systems and integration architecture principles
• Strong troubleshooting capability, with proven analytical skills and a structured approach to resolving complex production and delivery issues
• Knowledge of deployment and engineering practices using Maven, Jenkins, Git and related delivery tooling
• Ability to provide technical guidance in a consulting environment, balancing quality, customer outcomes and delivery pragmatism
• Relevant tertiary qualification in Software Development, Computer Science, Information Technology or a related field, or equivalent practical experience
• Relevant certifications such as MuleSoft Certified Integration Architect, MuleSoft Certified Developer and Azure Integration Services certifications

What's in it for you?

\"Go Beyond\" isn't a marketing line at Fusion5, it's the standard we hold ourselves to. It reflects a convergence of solutions, services, and capabilities that enables clients to realise their business vision, with AI as a strategic lever for transformation. At Fusion5, you'll work with a collaborative Data & Integration practice, contribute to meaningful enterprise integration outcomes, and bring your experience to customer environments where strong solution design and dependable delivery matter.

• Collaborative, supportive culture where people enjoy working together
• Flexible work arrangements and a genuine focus on work-life balance
• Birthday leave, volunteer days, and regular social events
• Opportunities to keep developing your capability across modern integration platforms and cloud services

If you're a senior integration specialist who enjoys solving complex integration problems and delivering reliable outcomes across modern middleware and iPaaS platforms, we'd love to hear from you.