Senior Backend Engineer (Hybrid) – AI-Driven Infra SaaS

Trendspek; Sydney; Hybrid; AUD 140,000 - 190,000; Full time

Job summary

Trendspek, a platform turning real-world infrastructure into 3D digital twins, is hiring a Senior Backend Engineer in Sydney. You’ll own the engine room of a multi-tenant SaaS built on Laravel, MySQL/Postgres, and cloud containers.

You’ll set coding standards, review, and ship features at scale. You’ll shape API design, data architecture, and security-first implementations, collaborating with offshore engineers and internal teams to push performance and reliability across assets like gas

Qualifications

• Strong PHP and Laravel experience.
• Deep PostgreSQL knowledge and performance tuning.
• Experience designing REST APIs for a real product.
• Experience with multi-tenant SaaS architectures.
• Security-first mindset and test-driven approach.

Responsibilities

• Move legacy server-rendered views to clean, well-tested APIs the frontend team will love building on.
• Shape multi-tenant data architecture and optimise queries at scale.
• Ensure security and privacy by default: auth, PII handling, pen-test fixes.
• Enable safe, repeatable releases with migrations, rollbacks and CI/CD.
• Develop observability to detect issues before customers notice.
• Work on data and API layers powering AI insights and products.
• Provide technical direction and code reviews, including offshore engineers.

Skills

PHP/Laravel

REST APIs

PostgreSQL

Docker

AWS

CI/CD

Multi-tenant SaaS

AI tools (Claude/Copilot)

Tools

Docker

AWS

CI/CD

Job description

Trendspek, a platform turning real-world infrastructure into 3D digital twins, is hiring a Senior Backend Engineer in Sydney. You’ll own the engine room of a multi-tenant SaaS built on Laravel, MySQL/Postgres, and cloud containers.

You’ll set coding standards, review, and ship features at scale. You’ll shape API design, data architecture, and security-first implementations, collaborating with offshore engineers and internal teams to push performance and reliability across assets like gas