Senior Back End Engineer
6 days ago
Senior Back End Developer – Java & AWS
North Sydney | Hybrid | Full-Time, Permanent
An innovative Australian SaaS company is looking for an experienced Senior Back End Developer to help scale a high‑traffic, mission‑critical cloud platform used by operational teams nationwide. You’ll work in a lean product‑focused engineering team building secure, scalable systems with real‑world impact.
Key Responsibilities
- Design, build and deploy new back‑end features end‑to‑end
- Develop high‑performance, scalable Java‑based services
- Build and maintain secure API‑driven systems
- Contribute to cloud infrastructure and DevOps (AWS, Terraform)
- Develop reliable third‑party integrations (payments, finance, hardware, IoT)
- Collaborate with Product, UX and Engineering teams
- Produce clear technical documentation
Technical Environment
- Backend: Java (modern versions), AWS
- Infrastructure: Terraform
- Frontend exposure: React
- Integrations: Payments, accounting systems, hardware & IoT platforms
Required Experience
- 5+ years’ experience as a Back End Developer
- Strong commercial experience with Java
- Hands‑on AWS experience (S3, Lambda preferred)
- Solid SQL and database fundamentals
- Experience with Spring Security and secure system design
- Strong background building RESTful APIs
Desirable
- SaaS product experience
- OAuth2 and modern authentication
- Exposure to B2B compliance or permissions‑based platforms
- Startup or high‑growth environment experience
What’s On Offer
- High‑impact SaaS product with real operational users
- Modern cloud‑based tech stack
- Strong engineering leadership and technical ownership
- Hybrid working in North Sydney
This opportunity would be best suited for a seasoned developer who can make an immediate impact. If you feel as though you would be a great candidate for this opportunity, APPLY NOW Shortlisted candidates will be contacted and requested to conduct an initial Zoom interview. If you are missing a few of the requirements, you are still encouraged to apply.
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