Senior Fullstack / Backend Developer

🏢 NDA employer 🔍 Through a recruiter

Remote

Published: 4 June 2026 Updated: 20 hours ago

📝 Description

📋 What you will do

Develop backend and fullstack solutions in JavaScript/TypeScript
Design architecture and integrations for Web3, Solana, and FinTech
Build automation tools, bots, services, and internal dashboards
Contribute to launching, scaling, and supporting production products
Work with infrastructure, security, and CI/CD

🛠 Stack and skills

Node.js TypeScript NestJS Express Fastify Bun PostgreSQL MySQL MongoDB Redis Prisma TypeORM SQLite MariaDB REST API GraphQL WebSocket API Docker PM2 GitHub Actions CI/CD Nginx SSL React Next.js Zustand Redux Toolkit TailwindCSS SSR/SSG Telegram WebApp Solana web3.js Helius API Anchor Tenderly SPL tokens Hardhat Ethers.js Web3.js Solidity Puppeteer Playwright NowPayments FreeKassa Heleket Cloudflare WAF OWASP Top 10 Sentry Prometheus Grafana Kafka RabbitMQ PumpFun Jupiter Uniswap 1Inch Bybit Binance Bitget OKX