7d ago , from Illawarra Mercury Job Board
Position: Senior Java Developer (Multiple Openings)
Contract Length: 12-Month Contract (High potential for extension)
Location: Sydney CBD (Hybrid working model)
Industry: Banking / FinTech
Rate: Competitive Daily Rate (Dependent on experience)
About the Opportunity
We are hiring for a leading financial institution looking to onboard multiple Senior Java Developers across several critical engineering teams in the Sydney CBD.
Key Responsibilities
Designing, developing, and maintaining robust, scalable, and secure microservices using Java.
Collaborating with cross-functional teams (Product, DevOps, QA) to deliver high-quality financial software.
Migrating legacy banking applications to contemporary cloud architectures.
Participating in code reviews, mentoring junior peers, and championing engineering best practices.
Technical Skills & Experience Required
Experience: Minimum 5+ years of professional experience in Java development (Java 8/11/17+).
Industry Background: Proven experience working within the Banking, Financial Services, or FinTech sectors is essential.
Frameworks: Strong expertise with Spring / Spring Boot, Hibernate,



or similar frameworks.
Architecture: Deep understanding of Microservices architecture, RESTful APIs, and event-driven design (e.g., Kafka, RabbitMQ).
Cloud & DevOps: Hands-on experience with cloud platforms (AWS, Azure, or GCP) and CI/CD pipelines (Jenkins, GitLab, Docker, Kubernetes).
Database: Proficient in SQL (Oracle, PostgreSQL) and NoSQL databases.
Testing: Commitment to writing clean, testable code using JUnit, Mockito, and TDD practices.
Bonus Points For
Experience with domain-driven design(DDD).
Knowledge of core banking systems, payments infrastructure (e.g., NPP, SWIFT), or trading platforms.
Familiarity with containerised environments in a highly regulated landscape.
What's on Offer?
A stable 12-month contract with a strong likelihood of renewal given the project pipelines.
Convenient Sydney CBD location with modern office spaces.
Flexible hybrid working arrangements (mix of WFH and office days).
The chance to work on large-scale, impactful financial systems that affect millions of Users.
#J-*****-Ljbffr

📌 Senior Java Software Engineer (New South Wales)
🏢 Sirius
📍 New South Wales