Staff Fullstack Engineer (Web3)

Staff Fullstack Engineer

Company

Morpho Labs

Conditions

21 hours agoLead Paris or remote (from -5h GMT up to +2h GMT) Hybrid Fullstack Jobs by Morpho Labs

Skills

Indexer Query Optimization Event Streaming Rate Limiting Jest Cypress Input Validation Event Queue Reliability Sentry Opentelemetry Performance Authentication Sdk Viem Websocket Node.Js Typescript Graphql Next.Js Postgresql Data Pipeline Testing Fullstack Observability Latency Rest Grafana React Mentorship Auth On-Chain Event Api Incident Management Caching Redis

About the Role

You will design, build, and scale full-stack systems that power web apps, APIs, and indexers. You will design and maintain APIs and SDKs with clear versioning and documentation. You will build high-performance data pipelines over on-chain events, implement caching and query optimization to keep UIs sub-second. You will lead design reviews, mentor engineers, improve testing and observability, profile and reduce latency, and own incident readiness with dashboards, alerts, and on-call practices.

Requirements

• 8–10+ years building and operating full-stack applications at scale
• Track record designing systems that handle millions of daily requests with high availability
• Experience leading cross-team technical initiatives without formal authority
• Deep expertise with modern TypeScript across client and server
• Experience with API design, SDKs, and versioning strategies
• Experience building high-performance data pipelines and on-chain event processing
• Familiarity with React, Next.js, GraphQL (Apollo Server), REST, WebSockets, Node.js (Hono/NestJS), PostgreSQL, Redis, event streaming, indexers (Ponder/Subsquid), viem, Jest, Cypress, OpenTelemetry, Grafana, Sentry, auth, rate limiting, and input validation

Responsibilities

• Architect and own end-to-end delivery across web apps, APIs, and indexers
• Design a scalable API and SDK strategy with versioning and documentation
• Build high-performance data pipelines over on-chain events using caching and query optimization
• Lead design reviews and mentor 5–10 engineers to raise engineering standards
• Profile systems and introduce architectural changes to reduce p95 latency
• Partner with product, protocol, and business leads to clarify scope, tradeoffs, and success metrics
• Own incident readiness with dashboards, alerts, and on-call practices

Benefits

• Flexible work arrangements
• Periodic time together in Paris
• Health coverage
• Support for learning and professional development

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