Senior Back End Developer

24 hours ago

Sydney, New South Wales, Australia Socoro Digital Full time

Socoro is looking for a Back End Developer to help shape the future of our flagship SaaS product, QuarryLink — a platform transforming how quarries manage their daily operations.
Used by drivers, site teams, and administrators across Australia, QuarryLink is central to mission-critical workflows in an industry ready for smart, modern tools.
We're a lean, fast-moving startup with a sharp product focus, real users, and growing traction.
You'll work closely with our tight-knit product team to design, build, and scale modules that underpin real-world, mission-critical workflows.
Location: North Sydney (Hybrid)
Type: Full-Time, Permanent
Start Date: Immediate
Stack
Backend & Infra: Java 24, AWS, Terraform
Frontend (light exposure): React
Integrations: Xero, Stripe, Square, weighbridge systems, camera and drone software
What You'll Do
Work alongside the Principal Engineer to deliver new features from design through to deployment
Focus on robust back-end development, ensuring stability, scalability, and performance
Contribute to DevOps practices and infrastructure management (AWS, Terraform)
Design and implement reliable third-party integrations (finance systems, IoT, hardware, and more)
Collaborate with Product (PM/UX) to ensure solutions are practical, scalable, and user-centric
Build and refine API endpoints and data handling across the platform
Write clear documentation and contribute to internal knowledge-sharing
What You Bring
5+ years working as a Back End Developer, ideally within SaaS or complex integration environments
Strong experience with Java (Java 24 preferred) and functional programming concepts
Solid understanding of cloud architecture (AWS S3, Lambda) and infrastructure as code (Terraform)
Proficiency working with databases and storage systems (SQL, CRUD operations)
Strong knowledge of Spring Security and best practices for security layering
Experience building and maintaining API-driven systems
Bonus Points For
Experience launching or scaling SaaS products
Knowledge of OAuth2 protocols and authentication flows
Familiarity with compliance, permissions, or operational modules in B2B platforms
Previous exposure to fast-moving, startup-style environments
This is an opportunity to work on an industry-first SaaS platform, building features that have immediate real-world impact.
If you're back-end focused but excited by the chance to shape infrastructure and DevOps too, we'd love to hear from you.
Seniority level
Mid-Senior level
Employment type
Full-time
Job function
Engineering and Information Technology
Industries
Software Development
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