Senior Backend Engineer

Role: Senior BackEnd Engineer
Location: Sydney NSW
Experience: 5 years
Role type: Permanent

Experience & Skills:

• Experience: 5 years of backend software engineering experience in a professional environment with at least 2 years building production microservices.
• Java / Kotlin: Strong proficiency in Java (11) and the Spring ecosystem (Spring Boot Spring Data Spring Security). Kotlin experience is a plus but not required.
• API Development: Solid experience designing and implementing RESTful APIs. Understanding of API versioning error contracts pagination and idempotency. gRPC experience is desirable.
• Database: Strong SQL skills and experience with relational databases PostgreSQL (preferred) or SQL Server. Experience with schema design for transactional systems query optimisation indexing strategies and database migration tooling (Flyway or Liquibase).
• Messaging & Event Streaming: Experience with message brokers Kafka (preferred) and/or IBM MQ. Understanding of event-driven architecture patterns consumer groups schema evolution and at-least-once delivery guarantees.
• Testing: Proven testing discipline unit testing (JUnit 5 Mockito) integration testing (Testcontainers) contract testing (Pact or Spring Cloud Contract) and experience building comprehensive test suites for complex business logic.
• Cloud & Containers: Experience with containerised deployments (Docker Kubernetes). Understanding of cloud-native patterns service discovery config management health checks graceful shutdown. Experience with AWS or Azure is desirable.
• CI/CD: Experience with CI/CD pipelines building testing and deploying microservices through automated pipelines. Familiarity with trunk-based development or GitFlow branching strategies.
• Version Control: Proficient with Git Artifactory & Bitbucket branching rebasing pull request workflows and collaborative development in a multi-team environment.

Desirable Skills

• Python: Working knowledge of Python for scripting data pipeline tooling automation and migration utilities. Not required for core platform development but valuable for supporting tooling and data integration work.
• SWIFT Messaging: Familiarity with SWIFT MT message formats (MT700 MT710 MT720 MT760 MT799 etc.) or willingness to learn. Published specifications are available domain expertise is not required at hire.
• Trade Finance Domain: Understanding of Trade Finance products (Letters of Credit Guarantees Collections Trade Loans) and regulatory frameworks (UCP 600 ISBP 821
• URDG 758). Highly valued but not essential you will work alongside experienced BAs and domain SMEs.
• Financial Services: Experience in banking financial services or regulated industries understanding of audit requirements data sensitivity regulatory compliance and operational risk.
• Legacy Integration: Experience integrating with legacy systems COBOL-based backends terminal emulation interfaces mainframe data extraction or vendor platforms with limited API surfaces.
• Workflow / State Machines: Experience with workflow engines (Temporal Camunda) or implementing state machine patterns for long-running business processes. Trade Finance instruments have complex lifecycles spanning weeks to months.
• Rules Engines: Experience with business rules engines (Drools or similar) or implementing complex rule validation logic in application code.