Freelance Developer jobs in Sydney, NSW

Overview This part-time remote contract role is ideal for a Python web developer eager to contribute to a personal SaaS project. The position involves working 4–5 hours daily, focusing on backend development, API integration, and ensuring seamless communication between backend and frontend components. The successful candidate will play a key role in building robust backend logic, resolving bugs,...

This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English proficiency. At Mindrift, innovation meets opportunity. We believe in using the power of collective intelligence to ethically shape the future of AI. What We Do The Mindrift platform connects...

Your profile - Completed relevant university studies (e.g. Data Science, Software Engineering, Computer Science, or similar) - Teaching and training experience in the English language - Strong teamwork and communication skills - Organizational skills and commitment - Living in Berlin or Potsdam Why us? - Opportunity to work with a great team in a dynamic and international environment -...

Overview Join to apply for the Freelance Peer Reviewer - Vaccine development role at Cactus Communications 4 days ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. What you need to have Doctorate (PhD/MD) or equivalent advanced degree in the subject area. At least two publications in the last two years in your field. Thorough understanding of...

Freelance Software Developer (Kotlin) - Quality Assurance (AI Trainer) 2 days ago – Be among the first 25 applicants This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English proficiency. At Mindrift, innovation meets opportunity. We believe in...

Freelance Application Developer (Remote) Join to apply for the Freelance Application Developer (Remote) role at Twine This is an opportunity for an experienced React Native developer to rebuild and scale a live Provider platform's mobile application. The role involves developing a new Provider app from the ground up, leveraging existing backend APIs and collaborating with a team that manages...

A leading freelance marketplace in Australia is seeking a Freelance Web Developer specializing in Shopify Conversion Optimization. In this role, you will enhance an existing Shopify website to maximize user engagement and drive higher conversion rates. Key responsibilities include auditing the current site, proposing enhancements, and optimizing user experience. Ideal candidates should have...

Overview Mindrift is looking for freelance contributors to join the Tendem project ( and help shape the future of hybrid agents — where human expertise and Vibe Coding work together seamlessly. This flexible, part-time remote opportunity is ideal for professionals with technical expertise and hands-on experience in scripting, automation, or AI-driven tools. Your contributions will directly...

Freelance Web Developer – Shopify Conversion Optimization Join to apply for the Freelance Web Developer – Shopify Conversion Optimization role at Twine This role focuses on enhancing an existing Shopify website to maximize user engagement and drive higher conversion rates. The successful candidate will conduct a comprehensive review of the current site, identify areas for improvement, and...

This role involves designing and building three independent static websites to support streamlined operations across multiple business areas, including consultancy services, compliance, and a media platform. Each website will serve as a clear, authoritative information hub, ensuring visitors can easily access relevant information and connect with the appropriate platforms. The focus is on...

Join to apply for the Website Developer (Freelance) role at Twine. This role focuses on enhancing a WordPress website for a driveway cleaning service by redesigning the "Get a Free Quote" section, integrating advanced tracking, and optimizing for local SEO. The ideal candidate will have a strong background in WordPress development, form integration, and local search...

A leading freelance marketplace is seeking a Website Developer (Freelance) to enhance their WordPress site for a driveway cleaning service. The role involves redesigning the 'Get a Free Quote' section, integrating advanced tracking, and optimizing for local SEO. The ideal candidate should have proven experience in WordPress development, local SEO, and the ability to ensure a seamless user...

Join to apply for the Game Developer – Freelance role at Twine A private hobbyist is seeking a skilled freelance game developer to assist with coding game mechanics and providing support for level design on a personal project. The role is fully remote and offers flexibility in engagement duration, with the potential for future follow-up work based on project needs. The ideal candidate will...

Join an exciting project to deliver a production-ready MVP of an AI-powered Service Advisor Portal tailored for automotive workshops. This role focuses on supporting non-technical service advisors by providing AI-driven diagnostics, workflow guidance, and intuitive task management tools. You will take ownership of finalising and refining an existing React prototype, ensuring seamless integration...

Freelance Web Developer – Marketing Support Join to apply for the Freelance Web Developer – Marketing Support role at Twine A small business is seeking a versatile freelance web developer with a strong marketing focus to support ongoing digital initiatives. The ideal candidate will be responsible for creating engaging social media content and assisting with website development tasks. This remote...

Overview This role offers an opportunity to contribute to the development of a discreet, Bluetooth-enabled wearable device designed to enhance personal safety for individuals on the move, such as runners and travelers. The project centers on building a functional prototype that connects to a mobile app, enabling features like real-time alerts and location sharing. The ideal candidate will have a...

Freelance Developer – Fintech Join to apply for the Freelance Developer – Fintech role at Twine . Join a project focused on developing a Chrome extension that streamlines the process for users to download their KSeF certificate from a government portal and upload it securely to a fintech SaaS platform. This role is ideal for an experienced developer with a strong background in browser extension...

Overview Join to apply for the Freelance Game Developer (Remote Project) role at Twine. Get AI-powered advice on this job and more exclusive features. Join an indie team dedicated to building VertalStrike, a 3D FPS multiplayer game focused on fast-paced, competitive action. As a Junior Unity Developer, you will play a key role in designing and developing engaging multiplayer maps, implementing...

Freelance Web Developer – eCommerce project Join a dynamic project focused on building and customizing an online store for a company specializing in 3D printers and components, serving customers across Australia, Malaysia, and Indonesia. This part-time, contract-based role is ideal for a web developer with a strong background in WordPress and WooCommerce, who can deliver tailored e-commerce...

This role involves revising and localizing an existing PHP website to suit the needs of a specific local market. The project requires a developer who can work independently and remotely, ensuring the website is fully adapted for local users while maintaining high standards of quality and performance. The successful candidate will play a key part in the initial adaptation, with the possibility of...