About Us Challenz is an imaginative hub fusing social contests, short-form films, and Web3 creativity. Were currently developing a Real Estate NFT marketplace that allows shared ownership of properties through Ethereum smart agreements. Position Were looking for a Blockchain Engineer (Internship) to assist in creating and launching property-backed NFT contracts, embedding them into our app, and working closely with both frontend and backend teams to activate Web3 capabilities. Qualifications Proficiency in Solidity (ERC-721 / ERC-1155). Hands-on experience with Hardhat, Foundry, or Truffle. Knowledge of property tokenization and NFT data storage (IPFS / Arweave). Ability to design secure and cost-efficient contracts. Nice-to-have: familiarity with React Native, Node.js, Supabase. Internship Info Duration : 3-month unpaid placement (remote, with preference for NZ/AU candidates). Start : Immediate. Next Steps : Opportunity to transition into a paid role or equity arrangement. Contact : +64 2102244076 Show more Show less
Job Title: Video Processing App Developer Intern (React Native / Node.js) Company: Challenz Location: Remote (Preference for New Zealand or Australia-based candidates) Internship Duration: 3 Months (Unpaid) Compensation: Top-performing interns may be offered a paid position after the internship Start Date: Immediate About the Role: We’re seeking enthusiastic and skilled Video Processing App Developer Interns to help us build powerful, creative video experiences for the Challenz app. You’ll be working on features that enable users to capture, edit, and share TikTok-style challenge videos with filters, effects, and real-time rendering—all while ensuring seamless playback and optimized storage. Responsibilities: Develop and enhance video capture, editing, and uploading workflows Implement real-time filters, transitions, and effects for video challenges Optimize video playback, compression, and storage integration with Supabase Collaborate with product and backend teams to support a high-performance media pipeline Required Skills: Experience with React Native / Expo Basic backend development skills in Node.js / Express.js Proficiency with video tools/libraries: FFmpeg, AVFoundation, OpenGL, or Metal Understanding of video encoding, GPU rendering, and compression techniques Nice to Have: Experience building TikTok-style short video apps or challenge features Familiarity with AR filters, video stickers, or audio syncing Understanding of RESTful APIs and Supabase and Cloudflare R2 integration How to Apply: Apply via LinkedIn or contact us directly at +64 2102244076.