Skip to content
VercelVercelSan Francisco, CA

Software Engineer

Software Engineer building eve, Vercel's framework for production-ready AI agents. Design core framework primitives, runtime, integrations, and DX for TypeScript/Next.js developers.

208k – 312k/yr
Hybrid5+ YOEBackend Engineering

About the role

What you will do

  • Design and ship core eve framework features — the file-system conventions, compiler, and runtime that turn an agent directory into a durable, production-ready agent on Vercel.
  • Build and maintain integrations across eve's channel layer (Slack, Web Chat, WhatsApp, API, Cron, and more) and connections layer (Vercel Connect / MCP endpoints).
  • Collaborate with the AI SDK, Workflows, and Sandbox teams to ensure eve's primitives compose seamlessly on the Vercel platform.
  • Drive DX quality — CLI ergonomics, error messages, docs, and examples — so TypeScript/Next.js developers can ship their first agent in minutes.
  • Contribute to eve's evaluation and observability story: test suites, scoring rubrics, and deployment-time evals that make agents production-safe.
  • Partner with early customers and internal teams to gather feedback, diagnose agent reliability issues, and iterate rapidly.

About you

  • 5+ years of production TypeScript/JavaScript experience; comfortable owning complex, stateful systems end to end.
  • Strong understanding of distributed systems concepts — durable execution, checkpointing, async workflows, and failure recovery.
  • Experience building or operating developer tooling, frameworks, or SDKs used by external developers.
  • Familiarity with LLM APIs and agent orchestration patterns (tool calling, multi-agent delegation, human-in-the-loop flows).
  • Track record of shipping high-quality open-source or customer-facing APIs and caring deeply about API design.

Skills

TypeScriptJavaScriptDistributed SystemsDurable ExecutionAsync WorkflowsDeveloper ToolingSDKsLLM APIsAgent OrchestrationAPI Design
Glean

Software Engineer, APIs & Context Platform

GleanMountain View, CA

Build and evolve Glean's REST APIs, API gateway, and developer SDKs for their AI platform. Requires 5+ years experience building public-facing APIs and strong REST design skills.

210k – 260k/yr
Hybrid5+ YOEBackend Engineering
Hex

Software Engineer, Foundations

HexSan Francisco, CA +1

Builds and evolves core backend infrastructure including APIs, realtime transport, storage frameworks, and job orchestration systems at Hex. Requires 5+ years backend experience with TypeScript/Node.js, SQL, and shared systems expertise.

215k – 270k/yr
Remote5+ YOEBackend Engineering
Firecrawl

Backend Infrastructure Engineer

FirecrawlSan Francisco, CA

Build and maintain scalable infrastructure for reliable web data collection at Firecrawl, focusing on proxy layers, success rates against adversarial sites, and high-throughput systems under spiky loads. Requires 3+ years in backend, networking, or infrastructure engineering with strong ownership and reliability focus.

200k – 250k/yr
Remote3+ YOEBackend Engineering
Latent

Software Engineer

LatentSan Francisco, CA +1

Builds backend systems for healthcare AI platform, focusing on data pipelines, distributed systems, EHR integrations, and AI model operationalization. Requires strong TypeScript backend experience and distributed systems expertise.

200k – 285k/yr
On-siteBackend Engineering
Phantom

Software Engineer, Backend (Trading)

PhantomUnited States

Builds backend systems for crypto trading features, including APIs, data pipelines, and protocol integrations across blockchains like Solana and Ethereum. Requires 5+ years software engineering experience and interest in open platforms.

200k – 250k/yr
Remote5+ YOEBackend Engineering