Senior Fullstack Engineer – Frontend & Backend Architect

at; Adelaide; On-site; AUD 120,000 - 150,000; Full time

Job summary

Rapid Global is hiring a Senior Fullstack Engineer to design, develop and maintain high performing frontend applications and reliable backend systems. You will work with designers, product managers and engineers, and mentor teammates across levels.

Based in Adelaide, you will contribute to end-to-end solutions, implement secure services, CI/CD pipelines and design systems. This role emphasizes practical coding with limited reliance on AI tools.

Qualifications

• Solid experience across frontend and backend development.
• Strong JavaScript/TypeScript skills and modern frontend frameworks.
• Experience with building scalable backend services and APIs.

Responsibilities

• Design, develop and maintain end to end solutions across frontend and backend systems.
• Build and deploy backend services and APIs.
• Manage SQL Server databases for efficient, reliable data storage and retrieval.
• Apply caching, indexing and data partitioning strategies to improve system performance.
• Deliver robust, accessible frontend applications with strong cross-browser and cross-device compatibility.
• Implement and maintain design systems and UI component libraries for consistency across projects.
• Secure backend services through proper authentication, authorisation and data encryption.
• Write well tested code across unit, integration and end to end testing.
• Troubleshoot and resolve issues across development and production environments.
• Use CI/CD, version control and containerisation to support efficient, maintainable delivery.
• Apply AI tooling where it genuinely adds value, without becoming overly reliant on it.

Skills

React

Next.js

.NET

Tools

SQL Server

Job description

Rapid Global is hiring a Senior Fullstack Engineer to design, develop and maintain high performing frontend applications and reliable backend systems. You will work with designers, product managers and engineers, and mentor teammates across levels.

Based in Adelaide, you will contribute to end-to-end solutions, implement secure services, CI/CD pipelines and design systems. This role emphasizes practical coding with limited reliance on AI tools.