Senior Fullstack Engineer

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

OUR CLIENT Rapid Global exists to make the world a safer place to work. Their platform helps businesses worldwide keep their people, visitors and contractors safe, spanning contractor management, inductions, visitor sign-in, incident reporting, audits and AI camera monitoring. Rapid’s software is used by well‑known names across construction, mining, healthcare, transport and manufacturing. Rapid’s culture is built around client focus, innovation, collaboration, growth and community.

They are seeking a Senior Fullstack Engineer to join their engineering team.

ABOUT THE ROLE

The Senior Fullstack Engineer is responsible for the development of high performing, user‑oriented frontend applications as well as the creation and maintenance of reliable, scalable backend systems. You'll work closely with designers, product managers and other engineers, and act as a mentor to team members across all levels.

Key responsibilities include:

• 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

ABOUT YOU

To be successful in this role, you will demonstrate:

• Solid experience across both frontend (React/Next.js) and backend (.NET) development
• Solid experience with SQL Server or similar relational database management
• Has architectural judgement and the ability to make sound, scalable design decisions
• Excellent problem-solving skills and a practical, get it done approach
• A collaborative mindset and the ability to work closely with product, design and engineering teams
• A sensible, balanced approach to using AI tools as part of the development process but has strong ability to code, and review code, without relying on AI
• Based in Adelaide, in line with the team's location.