Senior Java/Kotlin Engineer
2026-04-04T15:10:48+00:00
SustainRecruit
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CONTRACTOR
Sydney
Sydney NSW
2000
Australia
Professional, Scientific, and Technical Services
Computer & IT, Science & Engineering
2026-04-14T17:00:00+00:00
8
Senior Java/Kotlin Engineer – 6 Month Rolling Contract – Sydney
Join a leading insurance organisation undergoing a large scale digital transformation, modernising core platforms and building out scalable, cloud native systems that support millions of customers across Australia. You’ll be working in a high performing engineering team delivering critical backend services and contributing to long term platform uplift.
What you’ll be working on:
- Designing and building scalable backend services using Java or Kotlin in a microservices architecture
- Developing event driven systems using Kafka to support real time insurance workflows such as claims and policy processing
- Contributing to platform modernisation across AWS using containerisation and cloud native patterns
- Building reusable components, frameworks and services to accelerate engineering delivery
- Driving best practice across code quality, testing, observability and system resilience
- Collaborating with product, architecture and engineering teams to deliver high quality solutions
What you’ll bring:
- Strong commercial experience with Java or Kotlin in enterprise environments
- Proven experience building microservices and event driven architectures
- Hands on experience with Kafka and distributed systems
- Strong exposure to AWS cloud and containerisation tools such as Docker and Kubernetes
- Experience with CI/CD pipelines and Infrastructure as Code such as Terraform
- Strong understanding of system design, scalability and fault tolerance
- Excellent communication skills and ability to work across cross functional teams
Why consider this role:
- Long term program of work with multiple years of runway
- Opportunity to work on large scale, high impact systems in insurance
- Modern tech stack with strong engineering standards
- Hybrid working model based in Sydney
- Designing and building scalable backend services using Java or Kotlin in a microservices architecture
- Developing event driven systems using Kafka to support real time insurance workflows such as claims and policy processing
- Contributing to platform modernisation across AWS using containerisation and cloud native patterns
- Building reusable components, frameworks and services to accelerate engineering delivery
- Driving best practice across code quality, testing, observability and system resilience
- Collaborating with product, architecture and engineering teams to deliver high quality solutions
- Java
- Kotlin
- Microservices
- Event-driven architectures
- Kafka
- Distributed systems
- AWS
- Docker
- Kubernetes
- CI/CD pipelines
- Infrastructure as Code (Terraform)
- System design
- Scalability
- Fault tolerance
- Communication skills
- Cross-functional team collaboration
- Strong commercial experience with Java or Kotlin in enterprise environments
- Proven experience building microservices and event driven architectures
- Hands on experience with Kafka and distributed systems
- Strong exposure to AWS cloud and containerisation tools such as Docker and Kubernetes
- Experience with CI/CD pipelines and Infrastructure as Code such as Terraform
- Strong understanding of system design, scalability and fault tolerance
- Excellent communication skills and ability to work across cross functional teams
JOB-69d129f8c4e80
Vacancy title:
Senior Java/Kotlin Engineer
[Type: CONTRACTOR, Industry: Professional, Scientific, and Technical Services, Category: Computer & IT, Science & Engineering]
Jobs at:
SustainRecruit
Deadline of this Job:
Tuesday, April 14 2026
Duty Station:
Sydney | Sydney NSW
Summary
Date Posted: Saturday, April 4 2026, Base Salary: Not Disclosed
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JOB DETAILS:
Senior Java/Kotlin Engineer – 6 Month Rolling Contract – Sydney
Join a leading insurance organisation undergoing a large scale digital transformation, modernising core platforms and building out scalable, cloud native systems that support millions of customers across Australia. You’ll be working in a high performing engineering team delivering critical backend services and contributing to long term platform uplift.
What you’ll be working on:
- Designing and building scalable backend services using Java or Kotlin in a microservices architecture
- Developing event driven systems using Kafka to support real time insurance workflows such as claims and policy processing
- Contributing to platform modernisation across AWS using containerisation and cloud native patterns
- Building reusable components, frameworks and services to accelerate engineering delivery
- Driving best practice across code quality, testing, observability and system resilience
- Collaborating with product, architecture and engineering teams to deliver high quality solutions
What you’ll bring:
- Strong commercial experience with Java or Kotlin in enterprise environments
- Proven experience building microservices and event driven architectures
- Hands on experience with Kafka and distributed systems
- Strong exposure to AWS cloud and containerisation tools such as Docker and Kubernetes
- Experience with CI/CD pipelines and Infrastructure as Code such as Terraform
- Strong understanding of system design, scalability and fault tolerance
- Excellent communication skills and ability to work across cross functional teams
Why consider this role:
- Long term program of work with multiple years of runway
- Opportunity to work on large scale, high impact systems in insurance
- Modern tech stack with strong engineering standards
- Hybrid working model based in Sydney
Work Hours: 8
Experience in Months: 24
Level of Education: bachelor degree
Job application procedure
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