Senior Software Engineer (Java/Next)

Ambush; City of Melbourne; Hybrid; AUD 120,000 - 180,000; Full time

Job summary

Ambush in Melbourne is seeking a senior backend engineer to design and build scalable services in Java with Spring Boot. You will develop RESTful and GraphQL APIs, implement containerized deployments with Docker and Kubernetes, and work with AWS cloud infrastructure and PostgreSQL databases.

Strong communication in English is essential for effective collaboration. You will join a people-first team that values thoughtful engineering, robust architectures, and long-term partnerships with clients.

Qualifications

• Proficient in Java and Spring Boot with experience building scalable backend services.
• Strong RESTful and GraphQL API design knowledge.
• Hands-on experience with containerization (Docker) and orchestration (Kubernetes).
• Cloud experience (AWS or similar) and relational databases (PostgreSQL).
• Event-driven architecture with messaging (Kafka).
• Excellent English communication, both written and spoken.

Skills

Java

Spring Boot

RESTful APIs

GraphQL

Docker

Kubernetes

AWS

JPA/Hibernate

PostgreSQL

Kafka

English communication

CI/CD

Grafana

React/JS/TypeScript

Job description

Ambush is a people-first company where talented, thoughtful individuals come together to build meaningful products and lasting partnerships. We believe the best work happens when people feel supported, trusted, and empowered to bring their full abilities to the table.

Since 2015, because of our people-first and long-term mindset, we have grown into a partner relied on by some of the best companies in the world. We combine strong engineering, design, and strategy with a growing strength in AI to help our clients see what is next and achieve bigger outcomes.

At the heart of everything we do is our team. We collaborate, take risks, lift each other up, and take pride in doing work the right way, not settling for a quick makeshift solution. If you join Ambush, you join a group of people who want you to succeed and who show up for each other every day.

We believe in and expect real teamwork, a constant drive to be better, and delivering meaningful long-term outcomes that we can be proud of together.

Must Have

• Strong experience with Java (17–25) and Spring Boot, building scalable and reliable backend services
• Solid experience with RESTful APIs and GraphQL
• Hands-on experience with Docker and containerized environments
• Experience with Kubernetes and container orchestration
• Experience with AWS or similar cloud platforms
• Experience with JPA/Hibernate and relational databases (PostgreSQL preferred)
• Experience with event-driven systems and messaging tools (Kafka preferred)
• Excellent English communication skills (written and verbal)

Nice to Have

• Familiarity with React / JavaScript / TypeScript
• Understanding of CI/CD pipelines and modern delivery practices
• Experience with observability tools (e.g., Grafana)