About the Role

Viable Solutions is seeking an experienced Java Spring Boot Developer to join our team and deliver high-quality, scalable backend solutions for enterprise clients. You will be responsible for designing, developing, and maintaining Java-based microservices and REST APIs using the Spring Boot framework. This is a great opportunity for someone with strong Java and Spring Boot expertise who enjoys building robust, high-performance enterprise applications in a collaborative Agile environment.

Key Responsibilities

Backend Development

- Design, develop, and maintain scalable Java applications and microservices using Spring Boot

- Build and expose RESTful and GraphQL APIs for consumption by frontend and third-party systems

- Develop and maintain backend business logic, service layers, and data access layers

- Implement and manage Spring Framework components — Spring MVC, Spring Security, Spring Data, and Spring Cloud

- Write clean, maintainable, and well-tested code following SOLID principles and best practices

Microservices & Architecture

- Design and implement microservices architecture — service decomposition, communication, and resilience patterns

- Implement inter-service communication using REST, gRPC, or message brokers

- Work with message brokers — Apache Kafka, RabbitMQ, or ActiveMQ

- Implement service discovery, API gateway, and circuit breaker patterns

- Design for scalability, high availability, and fault tolerance

Database & ORM

- Develop and optimise database interactions using Hibernate and JPA

- Work with relational databases — PostgreSQL, MySQL, or Oracle

- Work with NoSQL databases — MongoDB, Redis, or DynamoDB

- Write complex SQL queries, stored procedures, and database migrations

- Implement database versioning and schema management — Flyway or Liquibase

Security

- Implement application security using Spring Security

- Develop and manage OAuth 2.0, OpenID Connect, and JWT authentication and authorisation





- Ensure API security, input validation, and protection against common vulnerabilities — OWASP Top 10

- Implement secrets management and secure configuration practices

Cloud & DevOps

- Deploy and manage Java Spring Boot applications on AWS — EC2, ECS/EKS, Lambda, and Elastic Beanstalk

- Build and maintain CI/CD pipelines — Jenkins, GitHub Actions, or Azure DevOps

- Containerise applications using Docker and orchestrate with Kubernetes

- Implement infrastructure as code — Terraform or AWS CloudFormation

- Support monitoring and observability — CloudWatch, Prometheus, Grafana, or Datadog

- Testing & Quality

- Write comprehensive unit and integration tests using JUnit, Mockito, and TestContainers

- Implement contract testing and API testing — Pact or RestAssured

- Conduct code reviews and contribute to engineering standards

- Ensure code quality using static analysis tools — SonarQube or Checkstyle

Required Skills & Experience

- 5–8 years of hands-on Java development experience

- Strong proficiency in Java 11/17 — object-oriented, functional, and concurrent programming (mandatory)

- Strong proficiency in Spring Boot — REST API development, microservices, and enterprise application design (mandatory)

- Deep knowledge of Spring Framework — Spring MVC, Spring Security, Spring Data, and Spring Cloud

- Experience with Hibernate and JPA — ORM and database integration

- Solid SQL skills — complex querying, stored procedures, and performance tuning

- Experience with message brokers — Apache Kafka, RabbitMQ, or ActiveMQ

- Experience with Docker and Kubernetes — containerisation and orchestration

- Hands-on AWS experience — EC2, ECS/EKS, Lambda, S3, RDS, or similar

- Experience with CI/CD tools — Jenkins, GitHub Actions, or Azure DevOps

- Strong understanding of microservices architecture and design patterns

- Experience with unit and integration testing — JUnit and Mockito

- Experience working in Agile / Scrum delivery environments

📌 Java SpringBoot Developer (Melbourne)
🏢 Viable Solutions
📍 Melbourne