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Hello, I am developing a blockchain-based trading platform with gamification features. We are currently facing a significant issue in the blockchain component and need an experienced blockchain developer to help analyze and fix it. Project Repository: https://bitbucket.org/trading_aiplatform_testversion01/trading_testversion01/src/main/ Please review the project and let me know: The possible cause of the issue Your proposed solution Estimated time and cost Requirements: Strong blockchain/Web3 experience Experience with smart contracts and existing blockchain integrations Ability to debug and modify existing code If you have relevant experience, please contact me. Thank you.

Description: APAX is a platform for tokenizing physical precious metals on EVM with a strong compliance focus. The Next.js UI is mostly built, but much of it still runs on mocked data. We need a full stack developer to finish the Node.js and Express backend, connect MongoDB, implement JWT authentication, and wire the frontend to live APIs so login and the dashboard use real data. Web3 and Solidity are out of scope for this phase. Timeline is about four to six weeks. Whitepaper: https://docs.google.com/document/d/17EIeQJWhz4Lt10gEVmWsEiRhKf8u-cfR/edit

We're building a regulated real estate tokenization platform that converts institutional-grade properties into ERC-3643 security tokens with built-in ONCHAINID compliance. Our platform enables fractional ownership, secondary trading, and DeFi integration—making premium real estate investment accessible to everyone. I am looking for a talented blockchain $ smart contract developer. Tech Stack: - Blockchain: Solidity (ERC-3643 with ONCHAINID) on Arbitrum One, Hardhat - Backend: Node.js/TypeScript, Express, PostgreSQL, Redis - Frontend: React/TypeScript, ethers.js/wagmi, Tailwind - Infrastructure: AWS, Docker, GitHub Actions Blockchain Developer Responsibilities: - Design and deploy ERC-3643 smart contracts with compliance logic - Implement ONCHAINID identity and KYC whitelist integration - Coordinate external security audits and optimize gas usage - Build DeFi lending integrations (staking, yield, collateralization)

We need to connect a payment system to a high-risk site. The main requirements are the acceptance of fiat funds and the withdrawal of funds in cryptocurrency. Preferably no KYC. Only those who have had similar experience. Price is negotiable.

Tech Stack - React: Responsive and dynamic front-end development - Node.js: Robust backend operations - Web3: Multi-chain cryptocurrency integration - Solidity: Smart contract development Project Objective Develop a comprehensive multi-chain staking platform for a popular gaming ecosystem, enabling seamless cryptocurrency interactions, NFT marketplace integration, and enhanced user experience across multiple EVM-compatible blockchain networks. Whitepaper We've been more than just a mobile gaming studio; we are visionaries and innovators in the gaming world. Our team is formed by mobile gaming industry talents and passionate gamers, and is dedicated to pushing the boundaries of what's possible in mobile gaming. Our expertise focuses on hybridizing genres to create something truly unique which we adapt for transitioning Web2 gaming to Web3 gaming titles. From Racing RPGs to Action Strategy games, we are constantly experimenting and blending genres to offer new gaming experiences. Our games aren't just a form of entertainment; they're immersive journeys that engage, challenge, and captivate our players. We embody our mission to not merely entertain but to transport our audience into an extraordinary universe of interactive world within Web3 gaming. - Front-End Development - Back-End Development - Landing Page Redesign - Multi-Chain Integration - NFT Marketplace - Testing & Quality Assurance - Deployment & Maintenance