Software Engineer, CDN Content

Vercel is an agentic infrastructure company building products and platforms that help developers and agents ship software. The Software Engineer will build and operate services powering CDN content delivery, caching, ISR, PPR, and image optimization, while contributing to observability, testing, production rollouts, and incident response.

Responsibilities:

• Build and improve the services behind ISR, PPR, and image optimization — working in Go, Lua, and TypeScript across the serving path
• Execute well-defined projects independently, from implementation through safe rollout (feature flags, shadow modes, progressive deployment) and post-ship validation
• Monitor and maintain your work in production: build dashboards, add metrics and alerts, and develop ownership of what you ship
• Contribute to the team's observability and testing surface — the dashboards, logs views, and e2e test suites that keep a high-change system trustworthy
• Participate in the on-call rotation with support from senior engineers, and contribute to incident follow-ups that make the system more resilient
• Collaborate with teammates and partner teams (Next.js, CI/CD) through design discussions, code review, and pairing

Requirements:

• 2+ years of experience building and operating backend services in production
• Proficiency in at least one of Go, TypeScript/Node.js, or a comparable systems language, and enthusiasm for working across a polyglot stack
• Solid understanding of HTTP and web fundamentals — caching headers, request/response lifecycle, what a proxy does
• You write code you're willing to operate: tested, instrumented, and documented
• Curious about how large-scale systems work, and motivated to dig into unfamiliar code and production data to figure things out
• A collaborative teammate who communicates clearly, asks good questions, and follows through reliably
• Have experience with caching systems (CDNs, Redis/Memcached, application-level caches) at any scale
• Have AWS experience, particularly S3 or ElastiCache
• Have used Next.js or another modern web framework and understand rendering modes like SSR/SSG/ISR
• Have experience with observability tooling (Datadog, Honeycomb, or similar)
• Have experience with Terraform or Kubernetes