MetamaskJobs

I already have a draft smart contract, but it needs a careful review and a few modifications before going live. Once the code is solid, I want it deployed on Ethereum (that is my first choice, though I’m open to discussing BSC or Polygon if you feel they offer clear advantages). After deployment, the contract must be fully integrated into my website so users can interact with it through MetaMask. A smooth, reliable Web3 flow is essential—wallet connection, transaction signing, on-chain confirmations, and any UI feedback should feel seamless and secure. The job breaks down into three main parts: • Audit, adjust, and finalise the existing contract code, then compile, test, and verify it on the chosen network. • Deploy the verified contract and wire it up t...

...demands tight coupling with the existing React/TypeScript frontend. What still needs doing • Write production-ready smart contracts for a referral & level system, staking and vesting mechanics, a level-gated NFT mint, and the accompanying ATA utility token. • Deploy, test, and wire those contracts into the current codebase through Wagmi / connectors. • Guarantee seamless Metamask, WalletConnect, and Trust Wallet interaction, including clear transaction states and error handling. • Close out a handful of UI bugs, polish the UX, and verify that every on-chain action is mirrored correctly in the interface. Tech stack already in place Solidity, Hardhat, BNB Smart Chain testnet, 13, React, TypeScript, Wagmi, , TailwindCSS. How you can show you&r...

...demands tight coupling with the existing React/TypeScript frontend. What still needs doing • Write production-ready smart contracts for a referral & level system, staking and vesting mechanics, a level-gated NFT mint, and the accompanying ATA utility token. • Deploy, test, and wire those contracts into the current codebase through Wagmi / connectors. • Guarantee seamless Metamask, WalletConnect, and Trust Wallet interaction, including clear transaction states and error handling. • Close out a handful of UI bugs, polish the UX, and verify that every on-chain action is mirrored correctly in the interface. Tech stack already in place Solidity, Hardhat, BNB Smart Chain testnet, 13, React, TypeScript, Wagmi, , TailwindCSS. How you can show you&r...

...that notifies my server once a transaction reaches a configurable confirmation depth. • Simple front-end snippet (HTML/JS) that shows the client the exact amount in ETH and the destination address or QR code. • Clear developer documentation, including how to redeploy the contract, rotate the receiving wallet, and test locally with Hardhat or Truffle. Acceptance criteria • A payment sent from MetaMask is reflected in my dashboard within the confirmation window we agree on. • Contract passes unit tests covering failed sends, replay protection, and correct event payloads. • No external dependencies beyond standard Ethereum tooling and open-source libraries. If you have existing Solidity, Hardhat, or experience and can demonstrate past payment flow...

Here is the comprehensive content of the TrendIQ Developer Scope document, organized for clarity and scannability.1. Project OverviewThe objective is to build a comprehensive trading platform that supports meme coin discovery and trading on Solana and BSC chains. The platform will also include perpetual futures, spot trading, a referral system, and portfo...for daily, weekly, monthly, or all-time History: Detailed logs of entry/exit prices, profit, and Stats: Metrics for win rate, average hold time, and best/worst Holdings: A unified portfolio view encompassing Meme, Spot, and Perps.3. Technical StackFrontend: React, TypeScript, and : Python : Turnkey MPC, Phantom/MetaMask connection, and Gmail registration.

...or integrate a Web3-enabled interface (React, Vue, or similar) so users can interact seamlessly. • Handle testnet deployment, iterative QA, and finally mainnet release, including clear documentation so I can maintain the codebase after hand-off. I’m open to your technical preferences as long as the stack fits smoothly with Binance Smart Chain (Solidity, Hardhat/Truffle, , MetaMask support, etc.). If you have examples of previous BSC projects, especially live DApps, please include them—seeing how you solved real-world challenges will help us hit the ground running. Timeline and milestones are flexible; what matters most is clean code, thorough testing, and a straightforward user experience. Let me know how you’d tackle this and what you’d need ...

...confirmations • User onboarding flows • Notifications, webhooks, and third-party API triggers • Connect backend services with n8n via webhooks and APIs. • Develop RESTful APIs for web and mobile applications. • Implement logging, error handling, validation, and workflow monitoring. ⸻ Frontend Development Web Application (React.js) • Production-ready UI using React.js. • Web3 wallet integration (MetaMask or similar). • Smart contract interaction interface. • Transaction status, history, and automation status views. • Component-based and scalable architecture. Mobile Application (Flutter) • Cross-platform mobile app (Android & iOS). • Web3 wallet integration for mobile. • Mobile UI for smart contr...

I want to launch a brand-new cryptocurrency with a fixed s...contract with staking logic built in. • Configure total supply at exactly 100,000 tokens and deploy first on a BSC testnet, then on mainnet once we confirm functionality. • Provide clear deployment instructions, the verified contract address, and source code (Solidity). • Supply a brief README that explains how to initiate staking, unstake, and claim rewards through common wallets such as MetaMask or Trust Wallet. Nice to have but not mandatory • A lightweight web page or script that lets users stake and track rewards. • Guidance on adding the token to PancakeSwap. I will test the contract myself and will release full payment when token creation, staking, and reward distribution all funct...

...characters = most expensive, 4 characters = cheaper, 5+ characters = standard price). • Admin must be able to adjust prices later. 1. Metadata (Important): • NFT image must be On-Chain SVG (generated directly in the contract, not stored on IPFS). • Design: Gold & Black background, luxurious style, with the domain name displayed in the center. --- Part 2: Frontend (Web DApp) Connect with MetaMask + EGoldChain. 1. Homepage (Search): • Search bar → check status: “Available” or “Taken.” 1. Minting Flow: • If available → show price → select number of years → click Mint (pay with tokens). 1. Dashboard: • Display all domains owned by the connected wallet. • Buttons: Set Record, Transfer...

...characters = most expensive, 4 characters = cheaper, 5+ characters = standard price). • Admin must be able to adjust prices later. 1. Metadata (Important): • NFT image must be On-Chain SVG (generated directly in the contract, not stored on IPFS). • Design: Gold & Black background, luxurious style, with the domain name displayed in the center. --- Part 2: Frontend (Web DApp) Connect with MetaMask + EGoldChain. 1. Homepage (Search): • Search bar → check status: “Available” or “Taken.” 1. Minting Flow: • If available → show price → select number of years → click Mint (pay with tokens). 1. Dashboard: • Display all domains owned by the connected wallet. • Buttons: Set Record, Transfer...

...corporate-grade website that lets accredited and retail investors buy blockchain tokens backed by property shares. The entire flow must run on Polygon, so Web3 wallet connection, smart-contract calls, and gas-fee handling have to be native to that chain. Core features I must see live in the first release: • Secure token-purchase platform tied to my Polygon smart contract, with KYC gating and MetaMask (or WalletConnect) support. • Detailed property pages that look and feel like a professional brokerage: high-resolution media, financial projections, location maps, and live funding progress pulled from the contract. • Personal investor dashboard summarising wallet holdings, yield, vesting schedules, and downloadable statements. Back-end preference is flexible ...

... backend. • Integrate blockchain interaction using / Ethers.js. • Implement automation workflows triggered by blockchain events. • Develop RESTful APIs for both web and mobile app communication. • Add proper logging, error handling, and validation. Frontend Development • Web Application: Develop a production-ready front-end using React.js. • Implement Web3 wallet connection (MetaMask or similar). • Smart contract interaction UI. • Transaction status and history views. • Follow component-based architecture and scalability best practices. • Mobile Application: Develop a cross-platform mobile app using Flutter. • Implement Web3 wallet connection for mobile. • Mobile UI for smart contract interaction and transa...

...ou mintável) - Decimals = 18 - Roles baseadas em `AccessControl` (ex: ADMIN, MINTER, PAUSER) - Eventos completos: `Transfer`, `Approval`, `Paused`, `WhitelistUpdated` Boas práticas: - Nenhum dado sensível hardcoded - Validação rigorosa de entradas - Testes unitários com 100% de cobertura (Hardhat + Chai) 3. Dashboard (Frontend + Backend) 3.1. Fluxo do Usuário Empresa 1. Login com carteira (MetaMask, WalletConnect via **Wagmi + RainbowKit**) 2. Clicar em “Criar Novo Token” 3. Preencher: - Tipo de ativo (empresa, artista, imóvel…) - Nome do token (ex: “Carreira – Artista X”) - Símbolo (ex: “ARTX”) - Supply total - Configurações: whitelist...

I want an automated trading bot that executes high-frequency scalping on my MetaMask-connected account. The bot will watch price movements on the tokens I actively hold—USDT, USD Coin, XRP, Bitcoin, and Ethereum—entering micro trades, capturing small spreads, and closing each position within minutes once the predefined profit target or stop-loss is hit. Key expectations • Direct integration with MetaMask so orders route through the wallet without manual signing once permission is granted. • User-editable settings for position size, profit take, stop-loss, maximum concurrent trades, and gas/slippage limits. • Real-time monitoring dashboard (CLI or lightweight UI) that logs every fill, PnL, and cumulative performance. • Safety checks: ...

...manifesto). • Allocate initial supply to the Treasury/Reserve wallets as specified. 2. Node Setup & Deployment: • Set up the initial Bootnodes and Validator Nodes. • Ensure the network achieves consensus (PoS/PoA) and produces blocks stably. • Connect the network to a basic RPC endpoint for connectivity. 3. Compatibility: • Ensure full EVM Compatibility (must support Solidity smart contracts, Metamask connection, etc.). • Experience with Geth (Go-Ethereum), Erigon, or Hyperledger Besu forks is highly preferred. 4. Documentation: • Provide clear documentation on how to run a node and connect to the network. Requirements: • Proven experience in launching Layer-1 blockchains or forking EVM chains (Portfolio required). • Deep understan...

We are looking for an experienced developer to build a mini supply chain tracking system using the MERN stack integrated with blockchain technology. The system will allow us to track products throu... with key events securely recorded on the blockchain to ensure data integrity and transparency. Key requirements: MERN stack web application (React, Node.js, Express, MongoDB) Simple blockchain integration (Ethereum / Polygon / BSC) Record product lifecycle events on the blockchain QR code generation for product tracking Admin dashboard to manage products and stages Wallet integration (MetaMask) for blockchain interactions This project is intended as a lightweight MVP, focusing on core functionality rather than complex features. Clean code, basic UI, and clear documentation are...

...The core build has to run smoothly in any modern desktop or mobile browser, but everything lives on the web—no native install. Key features I need implemented: real-time multiplayer interactions so users can see and chat with each other on the map, an on-chain in-game economy that governs resources and item crafting, and full NFT integration for land, avatars, and rare assets. Wallet connect (MetaMask or similar) should feel effortless; new players who arrive without a wallet must still be able to look around as guests, then graduate to a wallet account when they’re ready. Visual style can evolve during production; I’m open to pixel art or another lightweight aesthetic as long as it loads fast and keeps that cozy community vibe. Under the hood, please propose ...

...Think discussion channels, real-time chat, wallet-based profile badges, and an events or announcement section that keeps everyone in the loop. Here’s what I need from you: a complete web design concept—from wireframes to polished UI—that makes community features feel effortless on both desktop and mobile. If you have a preferred stack or any clever ways to weave in Web3 wallet authentication (MetaMask, WalletConnect, etc.) mention that up front; smooth sign-in is critical. Please respond with a detailed project proposal outlining: • your suggested user-flow for conversation, content posting, and moderation • design tools you’ll use (Figma, Adobe XD, Sketch, or others) • milestones for wireframes, high-fidelity mockups, and final hand-o...

...Ethereum smart contracts, and I need a frontend expert who can give the product its final polish. You’ll take my wireframes, high-fidelity mockups, and style guide and translate them into a clean, performant component library that behaves flawlessly on mobile, tablet, and desktop. Beyond visuals, the heart of this job is Web3. I already have contract logic in place; your task is to wire up MetaMask and WalletConnect, guide the user through network selection, confirmation, and error handling, then surface real-time transaction states so payments feel as smooth as any mainstream checkout. All work must be verified on an Ethereum testnet, with an easy toggle for mainnet when we flip the switch. The property-search area still needs love, so expect to refine location, pric...

...a new Front-end Integration module in our Web3 Global Developer Bootcamp and looking for an experienced Front-end developer to teach a practical, project-based component focused on real-world dApp integration development. Your Role: As the Front End Instructor, you’ll: Teach a 3-hour program for intermediate Web3 developers. Guide students through: -How to integrate Front-end on: -> Wallets (MetaMask, Phantom), events, transactions -> Explain about and in a clear and structured way. Provide example projects, best practices, and code templates. Record a class & engage in short Q&A session - Requirements: Strong hands-on experience with integrations on wallets and the libraries and Solid understanding of smart contracts, on-chain programs, cross-chain and

you can create a demo to see it and who make a better i contact I need a full-featured web DApp that lets visitors connect with MetaMask (or any EVM-compatible wallet), verify ownership in one click, then immediately start mining. The platform must support both my own custom token and popular coins such as Bitcoin or Ethereum, so users can pick the asset that interests them most and watch rewards accumulate in real time. Core flow • After wallet connection, the user should be able to press “Start Mining”, see their current hashrate, purchase extra hashrate for faster returns, and pause or stop at any moment. • Mined rewards must be claimable directly to the connected wallet, with an on-chain record of every payout. • A built-in swap interface shou...

I need a modern, sleek WordPress site that lets visitors reserve allocations in our upcoming token without touching an on-chain contract yet. Think of it as a fully off-chain presale dashboard built around five pages (home plus four inner pages). Core flow • Users arrive, hit “Connect Wallet”, and the site pulls their MetaMask address only to record allocation data. • They can Sign Up / Sign In, view or edit their profile, and track how many tokens they have reserved. • A “Buy” widget accepts USDC and USDT, updates the running total in real time, and logs the purchase against the 500,000,000-token cap. • A timer counts down to the presale end, and an “Amount Raised” bar refreshes automatically so everyone sees live p...

I need a modern, sleek WordPress site that lets visitors reserve allocations in our upcoming token without touching an on-chain contract yet. Think of it as a fully off-chain presale dashboard built around five pages (home plus four inner pages). Core flow • Users arrive, hit “Connect Wallet”, and the site pulls their MetaMask address only to record allocation data. • They can Sign Up / Sign In, view or edit their profile, and track how many tokens they have reserved. • A “Buy” widget accepts USDC and USDT, updates the running total in real time, and logs the purchase against the 500,000,000-token cap. • A timer counts down to the presale end, and an “Amount Raised” bar refreshes automatically so everyone sees live p...

I have a fully-functional online shop preparing for the 2026 New Year rush, and I now want customers to interact with it through their crypto wallets. The site is ready; what’s missing is the Web3 layer. Here’s what I need you to handle: • Seamlessly wire MetaMask, Coinbase Wallet and Trust Wallet to the store, all on the Ethereum network. • Allow shoppers to pay for products directly from their wallet, have the option to sign in with that same wallet instead of e-mail/password, and automatically accrue on-chain loyalty rewards after each confirmed purchase. • Supply or adapt the necessary smart contracts, then connect them to the existing front-end. • Deliver clear, step-by-step deployment instructions so my team can move from testnet to mainnet...

...friendly colors, the sort of interface users already expect from leading Web3 projects. Key functionality I absolutely need: • Token sale integration tied directly to my Wallet so contributors can purchase tokens in real time. • Built-in wallet support (MetaMask, WalletConnect, etc.) so users can connect and pay with a single click. • A user registration & login layer that stores profiles, tracks purchase history, and lets buyers return to their dashboard at any time. Preferred tech stack: Frontend: React or Wallet integration: MetaMask + WalletConnect Blockchain: BNB Smart Chain (BEP-20) Backend : Node.js The site should support direct wallet-based token purchases and be production-ready. I’ll supply the token contract address and an...

...connect a wallet, view available offerings, place buy/sell orders, track holdings, and withdraw funds • Native or cross-platform mobile version mirroring the same functionality and UI logic • Admin console for property issuers to monitor cap tables, release dividends, and manage regulatory documents • Secure user flows covering KYC/AML, two-factor authentication, and wallet integration (MetaMask, WalletConnect, or similar) I am flexible on the underlying stack; Solidity on an EVM chain or any comparable network works for me as long as you can demonstrate security and compliance best practices. When you reply, please point me to past work that shows hands-on experience with tokenization, DeFi exchanges, or similar blockchain marketplaces so I can quickly ass...

...BEP20-compatible wallet securely • Connect via WalletConnect QR code • View their token balances • Deposit BEP20 tokens • Withdraw BEP20 tokens (if platform logic allows) • See clear transaction status (pending / confirmed / failed) The entire flow must follow proper blockchain standards and security best practices. ⸻ Wallet & Network Requirements • WalletConnect v2 • Support for major wallets: • MetaMask • Trust Wallet • Other WalletConnect-compatible wallets • Binance Smart Chain: • Mainnet (mandatory) • Testnet (for testing, optional) • Strict network validation (wrong network = clear error) ⸻ Transaction & Balance Handling • Fetch on-chain BEP20 token balances • Deposi...

...improved architecture. Current Technology Stack: - Frontend: React + Vite, Tailwind CSS - Backend: Node.js + Express, MongoDB - Web3: , wagmi, MetaMask - Optional Future: Ethereum - based NFTs, on - chain game assets 2. Scope of Work / Requirements Frontend: - Clean UI/UX improvements for login, landing, and dashboard - Fully responsive design - Build in app dashboard: My connections , actions, gameplay pages Backend: - Refactor for clarity and maintainability - Prepare APIs for Web3 interactions Admin & Deployment: - Add admin panel for user management - Prepare project for production deployment Wallet / Web3 Integration: - Full MetaMask connection - Smart contract read/write functions - Prepare structure for future Ethereum NFTs - Migrate Web3 layer from Sui → E...

...Ensure high-level security and data protection Perform testing, deployment, and post-launch support Required Skills & Experience: Web Development: HTML, CSS, JavaScript, React / Vue / Angular Backend Development: Node.js, Python, PHP, or similar Mobile App Development: Flutter / React Native / Swift / Kotlin Blockchain & Crypto Knowledge (Bitcoin, Ethereum, USDT, etc.) Wallet Integration (MetaMask, Trust Wallet, WalletConnect, etc.) Smart Contracts (Solidity – preferred) Database Management (MySQL, PostgreSQL, MongoDB) API Integration & Payment Gateways UI/UX Design Tools (Figma, Adobe XD, etc.) Strong understanding of security best practices Nice to Have: Experience with DeFi, staking, or crypto interest platforms Knowledge of KYC/AML integration...

I want a BEP-20 smart contract on Binance Smart Chain that supports both minting and burning. The contract must follow the open-standard interface so it is instantly recognisable by wallets, explorers, and DEXs on BSC. What matters most: • Functions: m...transfers/approvals. • Ownership: Only the owner (or an assigned role) can call mint(). • Clean, readable Solidity code (latest stable compiler). • Deployment on BSC testnet for my review, then mainnet once approved. • Full verification on BscScan and delivery of the flattened contract and deployment scripts. • A brief hand-over note explaining how to call the mint and burn functions from both a script and MetaMask. I will supply the token name, symbol, decimals, and initial supply as soon as we start...

I’m building a Polymarket-style exchange dedicated solely to political events—elections, referendums, leadership contests and similar milestones. Every user must sign in with a crypto wallet, so the first pillar of the build is a secure, frictionless blockchain-based authentication flow (MetaMask, WalletConnect or similar). Once inside, traders need to see live odds that move the instant a transaction lands on-chain. An always-updating price chart or ticker connected to your smart contracts or an indexed subgraph will keep the interface in sync with on-chain liquidity. Alongside each market I want an embedded discussion forum tied to the same wallet identity. Think threaded comments, basic moderation controls and the option to pin official updates. Here’s what...

... • Hyperledger bridge: create the integration logic so on-chain events are reliably reflected inside a Hyperledger environment. I am open to Fabric, Sawtooth or another flavor you feel fits best; advise me on the trade-offs, then implement. • Wallet quality assurance: script automated tests that cover deployment, signing, gas calculations and edge-case failures across common wallets such as MetaMask and WalletConnect clients. Acceptance criteria • Contracts compile without warnings, achieve 100 % line coverage on unit tests and pass MythX/Slither scans. • Hyperledger component syncs state changes in under two seconds and logs any reconciliation errors. • Wallet workflows succeed on at least three Chromium-based browsers and one mobile wrapper. P...

I’m spinning up a DeFi application whose first public milestone is a token presale website. The core objective is to let users connect a wallet (MetaMask, Wallet Connect, etc.), review the tokenomics, and contribute ETH/BNB/USDC to secure our new cryptocurrency before it lists on an exchange. Here’s what I need from you: • Smart contracts that cover the token itself, the presale logic (hard/soft caps, whitelist tiers, vesting, refunds), and a simple owner dashboard • A responsive front-end (React, , Vue—your preference) wired to the contracts through or , showing live funding progress and allowing one-click wallet interaction • Thorough testing, deployment to a testnet, and hand-over scripts for mainnet launch • Clear, human-readable d...

...team and help bring InnovaRise to life – a premium NFT project that blends Bitcoin history with video-based NFTs. We have already created MVP of our product and you will build first version of our product based on this MVP. What We Need Help With: • Customize NFT Marketplace Interface: Create a sleek, user-friendly marketplace from our MVP based on Figma Design. • Wallet Integration: Connect MetaMask, WalletConnect, etc. • Ethereum Smart Contract: Write and deploy an ERC-721A (or similar) contract with custom logic. • Mint-to-Render Connection: Trigger our existing video rendering pipeline once a token is purchased (this system is already built; just needs to be connected). • Backend: We will use Moralis, but we’re open to better/leaner alter...

...(Solidity for Ethereum & BSC, Rust/Anchor for Solana) • A lightweight relayer or oracle component to pass finalized block headers / proofs • Security measures such as replay-protection, pausable functions, role-based admin and upgrade paths • Test suite in Hardhat or Foundry for EVM chains and Anchor tests for Solana • Simple web interface (React/ preferred) allowing users to connect MetaMask or Phantom, pick a network, specify amount, and initiate the transfer • Deployment scripts and clear documentation so my team can reproduce each step Acceptance criteria 1. A transfer from Ethereum → Solana and back completes on testnets with matching balances, confirmed in block explorers. 2. Gas / fee estimates and failure states are documen...

I need a decentralized application that acts as a full-featured wallet service running on the Binance Smart Chain. The site must connect seamlessly to Web3 wallets such as MetaMask, read account data, and let users manage BSC-based assets directly from the browser. Core scope • Build a responsive website that loads the Dapp UI, detects a connected BSC wallet, and displays token balances in real time. • Implement wallet-side actions—at minimum secure viewing and signing of transactions—with clean, intuitive prompts. • Provide the code infrastructure (React + or a comparable stack) so additional functions such as token storage, transfers, or swapping can be added without a full rebuild. Deliverables 1. Front-end source code with clear componen...

I need wallet drainer (TrustWallet and Metamask).

...dApp built with React and integrated with blockchain protocols (Solidity smart contracts, for wallet interactions). The frontend handles dynamic UI updates for transaction states, token balances, and DeFi operations. Current deployment on Vercel/Netlify with backend on Node.js/IPFS. Issue Description Critical frontend bugs impacting user experience: Wallet connection failures (MetaMask/Phantom) during high network congestion on Solana/Ethereum. UI rendering glitches in responsive views (mobile/desktop) for transaction history and charts. State management inconsistencies (Redux/Zustand) causing stale data post-transaction confirmations. These bugs reduce conversion rates and expose UX vulnerabilities in a production environment. Scope of Work Debug and resolve the listed

...Ethereum mainnet/testnet, or another EVM-compatible chain) and current Solidity compiler version. Improve or add unit tests where needed to validate the bug fixes. Integrate the fixed contract(s) with the existing Web3 frontend (React/ or similar) using libraries such as or web3.js. Fix any issues related to: Reading on-chain data and updating UI state. Writing transactions (Metamask / other wallets), handling confirmations and errors. Network configuration (RPC endpoints, chain IDs), contract addresses, and ABIs. Deliverables Updated Solidity contract(s) with all identified bugs fixed. Updated deployment/migration scripts (Hardhat/Foundry/Truffle, etc.). Updated frontend integration code (Web3 calls, hooks, or services). Brief report summarizing: What bugs were foun...

...IPFS 3. Call a function in a deployed smart contract using the CID 4. Display the transaction result 5. Provide a simple page to verify stored records This is a client-side only project (HTML, CSS, JavaScript). No backend is required. Further technical details (ABI, contract address, function name) will be provided after selecting the developer. ⸻ Main Tasks • Implement wallet connection (MetaMask via ) • Upload files to IPFS using an API (such as Lighthouse or ) • Call a smart contract function with the IPFS CID • Build a minimal UI with a few buttons and input fields • Create a simple viewer for the stored record • Create a basic verification page ⸻ Required Skills • HTML, CSS, JavaScript • • Web3 wallet integratio...

...frontend. The contract executes successfully, and there are no errors in deployment or interaction — the event simply does not fire in the listener. We are looking for a Web3 developer who can: -Review the event definition and emission in the contract -Check the listener/subscription on the frontend () -Help make the event trigger and display properly -Tech stack: Solidity, , MetaMask, EVM test networks. We will provide: -Full repository access -Deployment instructions -Video/screenshare if needed to walk through the issue This is a small task, so we expect that an experienced developer should be able to resolve it fairly quickly. If everything goes well, we’d be glad to discuss the possibility of long-term cooperation on the project. If convenient, we are open to...

...idea is simple: mint a BEP-20 token called JW Coin (fixed supply 1 000, transfers restricted to the owner), sell it for INR on a private web interface, let myself swap it to USDT via PancakeSwap liquidity, and, when required, move the USDT back to INR through a P2P off-ramp. Scope of work • Solidity contract – BEP-20, 1 000 supply, owner-only transfer. • React + Node.js web exchange with MetaMask connectivity. • Admin dashboard where I can set the INR price for JW, pause or resume sales, and view full activity logs. • Backend API that automatically pushes JW from the owner wallet to the buyer’s address once payment is confirmed. Manual UPI confirmation comes first; a Razorpay webhook will replace manual checks later, so build with that han...

Title Banking Integration + Fiat Treasury Ledger + Auto-Buy USDT Module (Integrate With Existing Crypto Converter) Description: I am building a fintech-style crypto platform and I need a developer to extend my existing crypto converter system with full banking-to-crypto integration. The core converter is already built and working (it signs real Ethereum transactions using my MetaMask private key), but now I need the banking and fiat side implemented. 1️⃣ Banking Integration Module (API/Webhook or JSON Feed) • Detect incoming bank wires/ACH deposits from my banking provider • Parse deposit JSON data (amount, sender, reference, timestamp, currency) • Mark deposits as verified • Store deposits in a Fiat Treasury Ledger (see below) 2️⃣ Optional SWIFT/MT103 Docum...

...manage integration. What the prototype must deliver: This prototype demonstrates a simple but complete data pipeline: Web3 → Backend API → Dashboard UI I am hiring THREE different developers for three distinct roles: 1. Frontend Developer (React / / Tailwind) - Build a responsive dashboard UI - Pages: Overview metrics, Subscription analytics, Wallet insights - Integrate REST API - Implement MetaMask/WalletConnect - Deliver polished UI 2. Backend Developer (Node.js / Express / PostgreSQL) - Build REST endpoints for metrics - PostgreSQL schema + seed data - API for revenue, subscribers, churn - Proxy Web3 data from blockchain service - Lightweight auth 3. Blockchain Developer ( / ) - Wallet balance lookup - Recent transaction history - Optional contract read - JSON outpu...

...be patched so it returns the expected data on both testnet and mainnet. You will identify the faulty call, adjust or rewrite the logic, and give me a brief write-up outlining what changed and why. Because I’m keen to foster diversity in the space, I’d love to award this micro-task to a woman developer. If that’s you and you’re comfortable with Solidity plus a Web3 stack (JavaScript or Python), MetaMask, standard deployment tools, and quick debugging cycles, you’ll find this job straightforward. Please send a concise proposal describing: • how you’ll pinpoint and fix the bug • relevant past experience with similar Web3 issues • the timeframe you realistically need (speed is important) Once we connect, I’ll share the r...

Token Requirements Token Name: USDT.S Standard: BEP20 (Solidity) minting, trasferable to any wallet Fully ownable contract Works perfectly on MetaMask + TrustWallet Verified contract on BscScan DEX + Liquidity Requirements Create trading pair (USDT.S / USDT) Add liquidity on PancakeSwap Price must reflect correctly in MetaMask and TrustWallet Token must support daily selling of 90,000 tokens without price crash Stable price movement required Buy/Sell fully functional Additional Requirements Token logo + metadata upload Simple landing website for token info Help with TrustWallet/MetaMask listing Guide on how to add more liquidity later Full technical documentation Support for any setup issues Deliverables Full source code Contract deployment PancakeSwap pair live Liquid...

...React Native that will run on Binance Smart Chain. The core contracts are already deployed; what I need now is the front-end layer that lets users interact with them smoothly and, above all, safely. Your mission is to wire the app to BSC, build the screens and flows, and apply solid blockchain-security patterns along the way. Users must be able to authenticate with their wallets (WalletConnect, MetaMask Mobile or similar), read on-chain data, and post transactions that update our contract-managed records. Behind the scenes, we’ll store only the minimum off-chain data required for UX, everything else stays on the chain. Key deliverables • A React Native codebase (TypeScript preferred) that connects to BSC via or web3.js. • Secure wallet login, signature-base...

...module in our Web3 Global Developer Bootcamp and looking for an experienced Front-end developer to teach a practical, project-based component focused on real-world dApp integration development. Your Role As the Front End Instructor, you’ll: Teach a 3-hour program (can be live or pre-recorded) for intermediate Web3 developers. Guide students through: -How to integrate Front-end on: -> Wallets (MetaMask, Phantom), events, transactions -> Explain about and in a clear and structured way. Provide example projects, best practices, and code templates. Optionally engage in short Q&A sessions or recorded code reviews. - Requirements Strong hands-on experience with integrations on wallets and the libraries and Solid understanding of smart contracts, on-chain programs

...(BEP‑20 on BSC) fully operational with discount; USDC (ERC‑20) operational. - Order‑unique deposit address per order/network with QR + EVM deep link, expiry window, and amount tolerance. - Reliable watchers that auto‑confirm orders after N confirmations (configurable), verifying destination and amount; record tx hash, block, ts, asset/EUR values, and price source. - Customer wallet linking (MetaMask + Trust Wallet via WalletConnect v2) stored with explicit consent; selectable “default for refunds/cashback”. - Non‑custodial refunds: BO button launches Trust Wallet deep link from corporate hot wallet; operator signs in wallet; refund tx hash recorded. Server never signs payouts to customers. - MiCA hook: append eligible events to CSV and compute rolling ...

...Development: Solidity (Mandatory) Experience with Ethereum, BNB Chain, Polygon, Solana, etc. Understanding of ERC-20, ERC-721, ERC-1155 standards Smart contract testing frameworks (Hardhat, Truffle) Gas optimization techniques Backend & Web3 Development: , Node.js (Express/) for backend services REST & GraphQL APIs Blockchain node integration Blockchain Platforms & Tools Metamask, Alchemy, Infura Remix IDE, Ganache IPFS / Filecoin Third-party blockchain APIs Security & Auditing Knowledge Preventing vulnerabilities: Reentrancy Integer overflow Front-running attacks Logic flaws Basic smart contract auditing Bonus Skills (Preferred) Rust (for Solana) Go (for Hyperledger Fabric) Knowledge of Bitcoin Script Experience with Layer 2 scaling solutions Token crea...