Backend Developer (Web3)

Highly Remote

Web3 Backend Developers build the server-side infrastructure that powers decentralized applications, including indexers, APIs, off-chain computation, and data pipelines. They ensure dApps have reliable, fast access to blockchain data and services.

Key Responsibilities

Design and build APIs, indexers, and data pipelines for blockchain data
Develop off-chain services for transaction relaying, notifications, and analytics
Implement subgraph deployments using The Graph or custom indexing solutions
Build and maintain infrastructure for blockchain node operation and monitoring
Optimize database schemas and queries for high-throughput blockchain data
Ensure system reliability, scalability, and security for production dApps

Hiring expectations

These describe experienced roles. Requirements vary by employer.

3+ years of backend development experience with Node.js, Python, Go, or Rust
Strong database skills including PostgreSQL, Redis, and time-series databases
Experience with blockchain data indexing, event processing, and RPC interactions
Knowledge of infrastructure and DevOps practices (Docker, Kubernetes, CI/CD)
Understanding of Web3 architecture patterns and decentralization tradeoffs