Backend / Full-Stack Engineer

💼 Hiring: Backend / Full-Stack Engineer - Company not provided 📍 Remote (Global) | 🕐 Posted 5 hours ago - October 8, 2026 | 💰 RMB 40-80k / month | 🔗 Java / Payments / Stablecoin The team is building a stablecoin acquiring gateway from scratch and is seeking a backend engineer to own its core. Full-stack candidates may also build merchant and ops portals and statement exports. 📋 Responsibilities include: - Build the payment core: merchant management, orders, ledger, accounting records, reconciliation, risk rules, and operations APIs - Design APIs, webhooks, async jobs, and state machines - Integrate services such as HashKey for stablecoin conversion, FX, and settlement - Work with the on-chain team on deposit confirmations, transfer status, hashes, and address balances - Ship for high availability: logging, monitoring, alerting, retries, rate limiting, idempotency, and failure compensation - Shape architecture, data modeling, API standards, and launch plans 🔑 Requirements / Must-have: - 3+ years backend, primarily Java (or solid Go, Node.js, or Python) - REST APIs, webhooks, async tasks, queues, state machines, distributed systems, caching, and DB design - Hands-on with MySQL, PostgreSQL, Redis, and message queues - Domain depth in orders, payments, accounting, settlement, reconciliation, or risk - Production experience: performance, availability, data consistency, and on-call debugging - Clean, maintainable, testable code and strong remote collaboration - Fluent Mandarin; comfortable English for reading, writing, and basic work conversations - 211 / 985 university background 🛠 Nice-to-have / Preferred: - Payment gateways, cross-border payments, acquiring, wallets, exchanges, fintech, or SaaS - Stablecoins, USDT/USDC, TRC20/ERC20, HashKey, Fireblocks, Cobo, or BitGo - Full-stack with React or Vue; KYC, KYT, AML, or anti-fraud - 0-to-1 experience and cross-timezone remote work 📩 To apply: Add Rose Zhang on WeChat: rosez067. Or DM Rose Zhang on LinkedIn: https://www.linkedin.com/in/rose-zhang-7410123a2 🔗 Original post: https://www.linkedin.com/posts/rose-zhang-7410123a2_web3-stablecoin-cryptojobs-share-7513772750440714241-sUNJ 📌 New here? Subscribe and mute notifications to avoid noise. 🔎 Search by role or skill, or check the pinned messages for a short vacancy list. ⚠️ DYOR! I do not verify every job. Requests to download and run files or make a payment are major scam warning signs. 🚩 ❗️ I am not hiring. I only share fresh Web3 jobs posted by others. #NFA #DYOR 🌎 All my other social media! Subscribe!👇 💡 Intern/Junior Web3/Crypto/Blockchain Roles DAILY 📱 Allweb3jobs on Twitter/X 📱 Allweb3jobs on LinkedIn 📱 Coinmarketcap token analysis 🪙 Binance token analysis 💬 Want to promote something or just ask a question? Feel free to reach out: @crypto_vazima