Senior Software Engineer, Developer Experience
Core
Design and build developer tools (CLI, SDKs, MCP server, dashboard) and APIs for a Web3 infrastructure platform serving developers and coding agents.
Role type
Senior IC software engineer (developer experience)
Builds
CLI, SDKs, MCP server, x402 payments, Agent Wallets, public/management APIs, and developer observability tools
Domain
Web3 infrastructure, developer platforms, blockchain
Required skills
TypeScript, Node.js, React, PostgreSQL, Temporal, Kafka, AWS, Kubernetes, API design, data modeling, observability, incident response
Preferred skills
Blockchain experience, developer platforms, API products, billing/metering systems, workflow orchestration, agent payment standards (x402), open source contributions
Technologies
TypeScript, Node.js, React, PostgreSQL, Temporal, Kafka, AWS, Kubernetes, x402
Responsibilities
Own projects from problem definition through launch and measurement; Design APIs with versioning and backwards compatibility; Build data models and services with security; Build user-facing features for dashboard, CLI, and SDKs; Instrument shipped features with usage data; Write design docs, runbooks, and developer documentation; Review code and technical designs
Seniority
Senior, hands-on IC