
📍 Remote (Global) | 🕐 Posted 20 hours ago - April 23, 2026 | 💼 Full-Time / Contract | 🧑💻 Polygon, Fireblocks, React, Node.js
The company is hiring a Blockchain Developer to build a merchant crypto wallet on Polygon (multi-chain ready). The developer will own the stack end-to-end.
🛠 Tech Stack
- React | Flutter | Node.js | Fireblocks/BitGo | MoonPay | Alchemy | Polygon (EVM)
📋 Responsibilities include:
- Build modular wallet (merchant-focused)
- Integrate Fireblocks/BitGo for custody
- Add MoonPay fiat on-ramp + KYC
- Use Alchemy for chain data + WebSockets
- Transaction history + CSV export
- Role-based access (owner + staff)
- PWA (Lighthouse ≥ 90) + 80% test coverage
🔑 Requirements:
- Polygon (EVM), web3.js/ethers.js
- Fireblocks or BitGo (must have)
- React (PWA), Flutter, Node.js
- MoonPay, Alchemy
- PostgreSQL / MongoDB
- Jest / Mocha (testing)
📩 To apply: Send resume + GitHub/portfolio to [email protected] with Subject: Blockchain Developer – [Your Name]. Name resume file: BlockchainDeveloper_YourName.pdf. Applications reviewed on rolling basis; shortlisted candidates contacted within 5–7 business days. WhatsApp: +(880)1766058465
🔗 Original post: https://www.linkedin.com/posts/we-are-hiring-blockchain-developer-share-7452793129537261568-HyDh
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