Web3 Software Engineer

You will deliver Web3 features across backend, frontend, smart-contract integrations, and production operations. You will build Go and TypeScript services, React dApps, wallet and account-abstraction integrations, and SDKs. You will monitor production systems, participate in on-call, review code, and maintain repository AI tooling.

Responsibilities

• Build backend services in Go and TypeScript
• Build services for tokenizing in-game items and currencies
• Build React dApp frontends
• Integrate smart wallets, accounts, paymasters, and bundlers
• Develop SDKs for game studios and partners
• Monitor services and contracts in production
• Participate in on-call
• Review code
• Set up and maintain repository AI tooling

Requirements

• 5+ years of commercial software development
• Production dApp development
• viem
• wagmi
• Wallet signers
• EIP-191
• EIP-712
• EIP-1193
• Account abstraction
• ERC-1271
• Go
• TypeScript
• Node.js
• On-chain event processing
• Kafka, RabbitMQ, or NATS
• PostgreSQL
• Redis
• REST
• gRPC
• React
• Web security
• XSS
• CSRF
• CSP
• Solidity
• EVM
• Smart-contract security
• Docker
• Kubernetes
• Observability
• Datadog or Prometheus, Grafana, ELK, Graylog, or OpenTelemetry
• Testing
• Git
• CI/CD
• GitLab CI or similar
• Claude Code, Codex, or Cursor
• English