Hybrid Sydney API Engineer: Banking & Microservices

Whizdom; Sydney; Hybrid; AUD 120,000 - 160,000; Full time

Job summary

Whizdom is seeking an API Engineer in Sydney to drive end-to-end API delivery within a major Australian banking technology program. You will define requirements, document solutions, and build scalable integrations across multiple teams.

You will work with business stakeholders, developers, and delivery teams in a hybrid Sydney setting, applying modern Java/Spring skills, API design, and DevOps practices. Prior experience in banking is valued.

Qualifications

• Deliver API frameworks and integration solutions for banking sectors.
• Strong understanding of microservices design principles.
• Commercial development experience with Java 8+, Spring Framework 5.x/Boot 2.x; JUnit 5/Mockito; Postman.
• Experience with infrastructure or DevOps design.
• Experience delivering technology projects within banking.
• Strong debugging and problem-solving skills; test-driven development; address code quality and security.

Responsibilities

• Contribute to end-to-end delivery of the API program.
• Participate in requirements discussions with business stakeholders.
• Finalize functional specifications and interface documentation.
• Define functional requirements for new services with business teams.
• Collaborate with leads and stakeholders during reviews and sign-offs.
• Document changes within an Agile delivery environment.
• Produce API requirements, designs, and functional specifications.
• Apply microservices design principles to API and integration solutions.
• Design and develop robust interfaces that integrate different systems and technologies.
• Collaborate with development teams on technical ideas and applications.
• Mentor junior consultants; support workshops and delivery engagements.
• Remediate code-quality, security, frameworks, and design-pattern issues.

Skills

API frameworks

Microservices

Java 8+

Spring Framework

Spring Boot

JUnit 5

Mockito

Postman

Logging frameworks

DevOps

Agile

Problem solving

Tools

Maven

Git

Splunk

Bamboo

Swagger

Job description

Whizdom is seeking an API Engineer in Sydney to drive end-to-end API delivery within a major Australian banking technology program. You will define requirements, document solutions, and build scalable integrations across multiple teams.

You will work with business stakeholders, developers, and delivery teams in a hybrid Sydney setting, applying modern Java/Spring skills, API design, and DevOps practices. Prior experience in banking is valued.