Senior Developer

Service Stream Limited; City of Melbourne; Hybrid; AUD 120,000 - 150,000; Full time

Benefits offered by this job

Career growth

Exclusive discounts

Flexible leave options

Inclusive culture

Job summary

Service Stream Limited is seeking an experienced Senior Developer to join the GBIS team in Melbourne. You will lead development, integration and maintenance of enterprise applications and ensure high quality across platforms such as Boomi, SAP CPI, ServiceNow and Oracle Power Platform.

You will mentor developers, influence architecture, and collaborate with stakeholders to deliver secure, scalable solutions in a hybrid work setup based in Melbourne CBD.

Qualifications

• 8+ years' experience in software development within enterprise environments.
• Experience with enterprise platforms such as Boomi, ServiceNow, SAP CPI and Oracle/Power Platform.
• Experience designing, developing and supporting integrations using APIs and data formats (XML/JSON).

Responsibilities

• Lead development, enhancement and integration of enterprise apps and platforms.
• Provide technical leadership, mentor developers, shape architecture and advocate best practices.
• Design, develop and maintain integrations, APIs and interfaces across the landscape.
• Ensure secure, scalable and high‑quality technology solutions with strong stakeholder collaboration.
• Oversee code reviews, QA activities and release management in line with governance.

Skills

Technical leadership

Mentoring

Architectural design

Stakeholder engagement

Agile/Scrum

Education

Bachelor's degree in Computer Science or related field

Platform certifications (Boomi / SAP CPI / ServiceNow)

Tools

Boomi

SAP CPI

ServiceNow

Oracle / Power Platform

REST/SOAP APIs

XML / JSON

ESB / AWS

Git / CI/CD

Job description

Service Stream is seeking an experienced Senior Developer to join our GBIS team. Reporting to the Application Manager, this role will play a key part in designing, developing and supporting critical enterprise applications and integration platforms that underpin business operations across Australia.
This is an opportunity to combine hands‑on development with technical leadership, helping shape architecture, mentor developers and deliver innovative solutions across platforms including Boomi, SAP, ServiceNow, SuccessFactors, EC Payroll and internally developed applications.

Location: Melbourne CBD (Collins Street) with a hybrid work arrangement of 3 days in the office and 2 days from home.

Work type: full time permanent.

Requirements: must be an Australian Citizen.

What you’ll do

As a Senior Developer, you will lead the development, enhancement, support and integration of enterprise applications across our technology landscape. You will provide technical leadership, mentor developers, contribute to solution architecture, and work closely with business stakeholders to deliver secure, scalable and high-quality technology solutions. This role combines hands‑on development with strategic input and continuous improvement initiatives.

Provide technical leadership and thought leadership across solution design, architecture and application development.

Lead the development, enhancement and support of enterprise applications and integrations, including Boomi, ServiceNow, SAP, SuccessFactors, EC Payroll and internally developed systems.

Conduct code reviews and quality assurance activities to ensure scalable, secure and maintainable solutions.

Act as a subject matter expert and escalation point for complex technical issues, risks and solution challenges.

Design, develop and maintain integrations, APIs and application interfaces across the enterprise technology landscape.

Support application performance, optimisation, upgrades, patches and ongoing platform maintenance.

Lead analysis, design, testing, deployment and release management activities in accordance with IT governance and delivery frameworks.

Translate business requirements into effective technical solutions, documenting requirements, specifications and process improvements where required.

Manage application enhancements and change requests with internal stakeholders and external vendors.

Mentor and support team members through technical guidance, knowledge sharing and best practice development.

Identify opportunities to improve business processes, system capabilities and technology outcomes.

Build strong stakeholder relationships and work collaboratively across projects, business teams and technology functions.

Champion assigned applications, driving adoption, continuous improvement and long‑term business value.

Deliver high‑quality outcomes within agreed timeframes and budgets while working effectively in a fast‑paced environment with competing priorities.

What You'll Bring

8+ years' experience in software development within enterprise environments.

Proven experience developing and supporting enterprise platforms such as Boomi, ServiceNow, SAP, Oracle, or Microsoft Power Platform.

Demonstrated experience designing, developing and supporting integrations using Boomi, SAP CPI, APIs (REST/SOAP), middleware and data exchange formats such as XML and JSON.

Knowledge of ESB and AWS technologies is advantageous.

Strong understanding of software development lifecycles, including Agile and Scrum methodologies.

Experience using version control tools (Git) and CI/CD practices.

Proven ability to diagnose, troubleshoot and resolve complex technical issues.

Excellent communication skills, with the ability to engage both technical and non-technical stakeholders.

Strong understanding of enterprise application architecture, data models and business processes.

Experience translating business requirements into scalable technical solutions.

Desired Qualifications

Bachelor's degree in Computer Science, Information Systems or a related field, or equivalent industry experience.

Relevant platform certifications, such as: Boomi Platform Developer I or II Microsoft Power Platform Developer Associate SAP Certified Development Associate ServiceNow Certified Application Developer or System Administrator

Strong analytical, troubleshooting and problem-solving skills with experience resolving complex technical challenges.

About Us

Service Stream is an ASX-listed organisation that develops and operates Australia's essential service networks across telecommunications, utilities, transport, defence and social infrastructure. Our work helps connect and support communities nationwide.

Benefits of Working with Us

Career Growth - Build your expertise across cloud, integration, infrastructure, security and modern workplace technologies.

Exclusive Discounts - Access hundreds of discounts from retailers and service providers including Woolworths, JB Hi-Fi, Airbnb and Bupa.

Flexible Leave Options - Access parental, cultural, community service, study, volunteering and purchased leave.

Inclusive Culture - Join a collaborative team that values accountability, diversity, innovation and continuous improvement.

Service Stream celebrates diversity and encourages applications from Aboriginal and Torres Strait Islander peoples, people with disability or neurodivergence, veterans, members of the LGBTIQA+ community and other diverse backgrounds.