About the job

Senior Software Engineer – Java/AWS

📍 Location: Sydney, NSW – Hybrid/Flexible

💼 Employment Type: Permanent, Full-Time

🧑‍💻 Experience: 8+ years

About the Role

Ssquare Consulting is seeking an experienced Senior Software Engineer to join a high-performing engineering team building and modernising cloud-native integration platforms.

You will design and develop enterprise Java applications, migrate microservices to AWS, and help improve automation, platform resilience, scalability and engineering standards.

Key Responsibilities

• Design, develop and maintain applications using Java 17+ and Spring Boot.
• Migrate on-premises microservices to AWS.
• Build scalable, secure and resilient cloud-native services.
• Collaborate with business and technical stakeholders.
• Conduct impact assessments and recommend appropriate technical solutions.
• Implement automated testing, CI/CD and DevOps practices.
• Monitor and optimise application performance and reliability.
• Support production incidents, deployments and on-call rotations.
• Participate in code reviews and maintain technical documentation.

Essential Skills

• 8+ years of software engineering experience.
• Strong Java 17+, Spring Framework and Spring Boot expertise.
• Microservices architecture and distributed systems experience.
• Apache Kafka or similar messaging technology.
• Hands-on AWS experience, including EKS, S3, EFS, CloudWatch, SNS and SQS.
• AWS Aurora PostgreSQL, SQL and JPA/Hibernate.
• Terraform and Infrastructure as Code.
• Docker, Kubernetes and Helm.
• CI/CD pipeline development and troubleshooting.
• Observability and monitoring, ideally OpenTelemetry.
• Unix/Linux scripting.
• Maven, Git, GitLab or Bitbucket.
• Agile/Scrum delivery experience.