Web3 Backend Developer to $5000

We’re looking for a Backend Developer with strong experience in Web3 backend architecture and a passion for building high-performance systems in the crypto space. You’ll be working on a variety of tasks, from off-chain arbitrage strategies to on-chain interactions across different blockchains, both EVM and non-EVM

🔧 Tech Stack

• Languages/Frameworks: Node.js, NestJS, Fastify
• Architecture: Microservices with NATS for internal communication
• Databases: PostgreSQL (with Drizzle / TypeORM), Redis for caching
• DevOps: Docker
• Principles: Deep understanding and application of SOLID principles
• Nice to have: Experience with DigitalOcean and/or AWS infrastructure

🛠️ Responsibilities

• Develop new backend algorithms based on specifications provided by our analytics team. These may include:
  • Off-chain strategies involving CEX APIs (e.g., arbitrage, price monitoring, execution logic)
  • On-chain actions such as swaps, bridging, and yield management across Solana, EVM, and non-EVM networks
• Maintain and support the codebase after deployment
• Optimize and enhance existing logic and systems for performance and reliability
• Ensure code is clean, scalable, and adheres to best practices – speed and uptime are critical
• Stay up-to-date with emerging technologies and be able to adapt to new tools and protocols quickly

✅ Requirements

• Proven Web3 experience building production-grade backend services using Node.js and NestJS
• Solid understanding of relational databases and ORM tools (PostgreSQL, Drizzle, TypeORM)
• Familiarity with microservice architecture and messaging systems like NATS
• Docker experience for local and production deployments
• Strong understanding of blockchain fundamentals, including differences between various chains (e.g., Solana, Ethereum, etc.)
• Understanding of token standards (e.g., ERC-20, ERC-721, SPL, etc.) and how to interact with them
• Practical experience performing on-chain actions (swaps, contract calls, bridging, etc.)
• Experience working with external APIs, including CEXs, DeFi protocols, and analytical services
• Ability to write clean, maintainable, and high-performance code
• Ability to learn and adapt to new tools and technologies quickly

💰 Compensation

• Base salary: $3,000 – $5,000 USD/month
• Bonuses: % of revenue generated from successful algorithm performance
• Innovation bonus: Additional rewards for introducing high-impact tech solutions that boost algorithm efficiency

⚠️ Please include a brief description in your cover letter of your experience working with blockchain and crypto, along with specific tasks or projects you’ve worked on, otherwise your candidature will not be reviewed