Contratos Inteligentes Jobs

We are seeking an experienced blockchain/full-stack team to build , an institutional Real-World Asset tokenization platform focused initially on ultra-high-purity Copper Powder and high-purity Nickel Wire. The developer must deliver: public website, CMS/admin portal, industrial-metal registry, Digital Asset Passports, ERC-20 smart contracts, configurable tokenomics, institutional whitepaper, future Proof-of-Reserves and redemption modules, fully functional iOS and Android apps, testing, deployment, manuals, training and final handover. ReserveChain is in the Swiss pre-incorporation/prelaunch stage. Final company details, legal structure, token classification, token-holder rights, laboratory reports, ownership records, valuations, custody, insurance, reserve confirmations, offering terms ...

I need help crediting my Redotpay wallet with USDT. The balance will be coming from my own personal wallet. For the network, I indicated “Redotpay” because the app itself does not make the underlying chain obvious, so I will rely on you to confirm whether I should send over Ethereum (ERC-20), Tron (TRC-20) or Binance Smart Chain (BEP-20) based on fee structure and compatibility with Redotpay’s deposit addresses. Here is what I am looking for: • Clear, step-by-step instructions to generate the correct deposit address inside Redotpay and verify it matches the chosen chain. • Guidance on any required minimum amount, confirmations, or reference fields Redotpay may ask for during the transfer. • A quick safety checklist so I can double-check everythi...

BLOCKCHAIN DEVELOPER (ZK & CROSS-CHAIN) Exp: 6 yrs We are looking for a passionate Blockchain Developer to take ownership of smart contract development, ZK proof integration, and our cross-chain payment pipeline. You will work directly with our Lead/Project Manager and a team of engineers to build the protocol's core infrastructure. Key Responsibilities: Design, develop, and deploy smart contracts for our ConfidentialPayroll protocol across Ethereum, Solana, and other VMs Integrate zero-knowledge proof systems (Ligero/Arc) for transaction privacy and compliance Implement cross-chain settlement mechanisms using Circle's CCTP and Hyperlane Integrate FHE (Fhenix/Zama) for encrypted state management of payroll rosters Build and maintain the backend API orchestrator (Expr...

Consultation on multisig architecture for USDT (TRON, BSC, Ethereum) What needs to be done: conduct an independent expert consultation on implementing multisig wallets to protect the treasury funds of a company that processes high-volume USDT payments simultaneously across three networks - TRON (TRC20), BNB Smart Chain (BEP20), and Ethereum (ERC20). Required: (1) provide an overview of available solutions on the market and recommend the optimal one for our profile - a single custodial platform for all three networks or a combination of separate tools for EVM and TRON; (2) propose a signature architecture (e.g. 2-of-3), key distribution across roles, and thresholds for small/large payouts; (3) provide recommendations on key storage (hardware wallets, HSM) and procedures in case of key loss...

Technical Co-Founder & Figma UI/UX Designer Wanted (Bangladesh-Based | Equity & Revenue Share) We are bootstrapping HGDS (Human-First Digital Nation), a revolutionary decentralized virtual society governed entirely by real, verified human agents (strictly Zero AI/NPCs). We are currently building our Phase 1 MVP—a responsive 2D Web3 portal focused on Sybil-resistant onboarding, a unified citizen dashboard, and a quadratic voting engine. We have a clear, realistic 3-4 month development roadmap and a solid technical specification ready. To kickstart this journey, we are looking for two key partners based in Bangladesh to join our core team: POSITION 1: Technical Co-Founder (Lead Web3 Developer) What You Will Do: Setup PostgreSQL/Node.js backend, DB schema, and Web of Trust inv...

We are looking for an experienced blockchain, RWA tokenization, Web3, mobile app, compliance, exchange listing and crypto marketing team to build and launch a complete real-world asset-backed cryptocurrency project. This project is for a serious RWA gemstone-backed ERC-20 token issued by a Swiss project company and backed by certified precious gemstones. This is not a memecoin, not a basic token deployment and not a speculative token without physical backing. The selected freelancer/agency must deliver a full turnkey solution covering smart contracts, website, investor portal, iOS/Android apps, USDT presale, KYC/AML, proof of reserves, redemption portal, white paper, exchange listing support, global marketing, documentation, source-code handover and support. Please review the attached P...