Senior Software Developer

Job Description

Join to apply for the Senior Software Developer role at Corporate Travel Management (CTM) AU/NZ

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About CTM

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CTM is a global award-winning provider of innovative and cost-effective travel management solutions to the corporate, events, leisure and loyalty travel markets. CTM provides personalised service excellence with client-facing technology solutions in offices all around the world, including New Zealand, Australia, Asia, North America and Europe with over 3000 employees and growing.

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At CTM, our people are our greatest asset. We are a team of collaborative, innovative and future-focused professionals we work with the company's values in mind; Connect, Deliver and Evolve.

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About The Role

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As a Senior Java Developer, you will lead the design, development, and modernisation of complex software systems using Java and advanced frameworks. You will play a pivotal role in platform modernisation efforts, utilising the strangler migration pattern to transition legacy systems to modern, cloud-native architectures on AWS. Collaborating with cross-functional teams, you will deliver robust, scalable solutions, and mentor team members to ensure technical excellence. Experience with Kotlin would be highly advantageous.

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Key Responsibilities

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• System Design and Development: Architect and implement high-performance, scalable applications using Java, Spring Framework, Spring WebFlux, Spring Cloud, JOOQ, Spring R2DBC, and Liquibase. Incorporate Kotlin where applicable to enhance development efficiency.
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• Platform Modernisation: Lead platform modernisation initiatives using the strangler migration pattern to incrementally replace legacy systems with modern, cloud-native solutions.
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• Event-Driven Architecture: Design and develop event-driven systems using Kafka and Debezium for real-time data streaming and integration.
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• Microservices and Orchestration: Build and deploy microservices using Kubernetes, Docker, and Istio for service mesh management.
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• Authentication and Authorisation: Implement secure authentication and authorisation mechanisms using Keycloak.
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• Workflow Automation: Utilise Conductor OSS to design and manage complex workflows for business processes.
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• Data Management: Leverage Redis for caching and high-speed data access, ensuring optimal application performance.
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• Performance Monitoring: Use New Relic to monitor application performance, identify bottlenecks, and optimise system efficiency.
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• Code Quality and Reviews: Write clean, maintainable, and well-documented code in Java and potentially Kotlin, and conduct thorough code reviews to ensure quality, security, and adherence to standards.
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• Collaboration: Work closely with Product Manager, Business Analysts, Architects, and ITS teams to define technical requirements and deliver robust solutions.
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• Mentorship: Provide technical guidance and mentorship to junior developers, fostering a culture of continuous improvement.
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• Troubleshooting: Identify and resolve complex technical issues, ensuring system reliability and performance.
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Skills & Experience

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• 7+ years of professional Java development experience.
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• Hands-on expertise with Spring Framework, Spring WebFlux, Spring Cloud, JOOQ, Spring R2DBC, and Liquibase.
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• Proven experience with Kafka and Debezium for event-driven architectures.
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• Strong knowledge of Kubernetes, Docker, and Istio for containerised deployments and service mesh.
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• Experience implementing Keycloak for authentication and authorisation.
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• Proficiency with Conductor OSS for workflow orchestration.
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• Hands-on experience with Redis for caching and data management.
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• Demonstrated success in platform modernisation using the strangler migration pattern.
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• Extensive experience with AWS services (e.g., EC2, ECS, EKS, Lambda, S3, RDS) for building and deploying cloud-native applications.
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• Proficiency in using New Relic for application performance monitoring, diagnostics, and optimisation.
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• Experience with Kotlin is highly desirable, particularly in building modern, concise, and interoperable codebases alongside Java.
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• Education: Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent experience).
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Technical Skills:

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• Expertise in designing and building RESTful and reactive APIs using Spring WebFlux.
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• Strong understanding of microservices architecture and cloud-native development on AWS.
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• Proficiency with database technologies (SQL, NoSQL) and reactive data access using Spring R2DBC.
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• Experience with CI/CD pipelines, Git version control, and DevOps practices.
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• Familiarity with modern software development methodologies (Agile, Scrum).
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Soft Skills:

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• Excellent problem-solving and analytical skills.
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• Strong communication and collaboration abilities.
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• Ability to lead and mentor technical teams.
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• Proactive, detail-oriented, and self-motivated.
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