Jobs
My ads
My job alerts
Sign in
Find a job Career Tips Companies
Find

Freelance application developer

Brisbane
Independant
Twine
Application developer
Posted: 15 April
Offer description

This role is focused on conducting a comprehensive code audit and pre-launch review for a SaaS job management application designed for Australian painting contractors. Built with React and TypeScript on the frontend and Express/Node.js on the backend, the app is hosted on Render and is approaching its launch phase. The successful candidate will be responsible for thoroughly reviewing the codebase to identify bugs, security vulnerabilities, and broken functionality, as well as assessing TypeScript quality and running dependency audits. The position also requires end-to-end testing of all core features, evaluation of mobile responsiveness, and the delivery of a detailed written report outlining prioritized findings and actionable recommendations. Preference will be given to candidates based in Brisbane who can attend in-person meetings and provide fixes via pull requests or inline comments. Immediate availability is required due to the urgent timeline.

Responsibilities

* Conduct a full codebase review for bugs, security issues, and broken functionality
* Assess TypeScript implementation and code quality
* Perform dependency audits and ensure up-to-date, secure packages
* Test all core features end-to-end for reliability and performance
* Evaluate mobile responsiveness across devices and browsers
* Prepare a comprehensive written report with prioritized findings and suggested fixes
* Deliver fixes via pull requests or inline code comments where possible
* Attend in-person meetings in Brisbane as needed

Skills And Requirements

* Proven expertise in React, TypeScript, and Express/Node.js
* Demonstrated experience auditing and reviewing SaaS applications
* Strong understanding of secure coding practices and dependency management
* Ability to identify and communicate technical issues clearly and concisely
* Experience with end-to-end testing and mobile responsiveness assessment
* Familiarity with code hosting and deployment on Render or similar platforms
* Excellent written communication skills for reporting and documentation
* Brisbane-based candidates strongly preferred; must be available for immediate start and in-person meetings

About Twine

Twine is a leading freelance marketplace connecting top freelancers, consultants, and contractors with companies needing creative and tech expertise. Trusted by Fortune 500 companies and innovative startups alike, Twine enables companies to scale their teams globally.

Our Mission

Twine's mission is to empower creators and businesses to thrive in an AI-driven, freelance-first world.

#J-18808-Ljbffr

Send an application
Create a job alert
Alert activated
Saved
Save
Similar jobs
IT and Tech jobs in Brisbane
jobs Brisbane
jobs Queensland
Home > Jobs > IT and Tech jobs > Application developer jobs > Application developer jobs in Brisbane > Freelance Application Developer

About Jobstralia

  • Career Advice
  • Company Reviews

Search for jobs

  • Jobs by job title
  • Jobs by sector
  • Jobs by company
  • Jobs by location

Contact / Partnership

  • Contact
  • Publish your job offers on Jobijoba

Legal notice - Terms of Service - Privacy Policy - Manage my cookies - Accessibility: Not compliant

© 2026 Jobstralia - All Rights Reserved

Send an application
Create a job alert
Alert activated
Saved
Save