Liftoff Jobs

A curated index of open roles at top-tier AI companies.

Weekly digest

Week of 3 November 2025

15 new roles this week across 7 companies; the biggest movers: Anthropic (+7), Lovable (+2), Together AI (+2).

Research

  1. [Expression of Interest] Research Manager, Interpretability — Anthropic · SF Bay Area · $350K–500K · 48 weeks ago Develops Claude, an AI assistant, with research focused on AI safety and alignment
  2. Research Engineer, Interpretability — Anthropic · SF Bay Area · $315K–560K · 48 weeks ago
  3. Research Scientist, Interpretability — Anthropic · SF Bay Area · $350K–850K · 48 weeks ago

Infrastructure

  1. Member of Technical Staff, LLM Infrastructure — Fireworks AI · Series D · SF Bay Area · $175K–220K · 48 weeks ago Inference engine for deploying and fine-tuning open-source AI models with low-latency, high-throughput serving
  2. Pre-training Data Infrastructure Engineer — Anthropic · SF Bay Area · $500K–850K · 48 weeks ago
  3. Software Engineer, Platform (Infrastructure) — Lovable · Series B · Stockholm, SE · 48 weeks ago AI platform that generates production-ready web applications and websites from natural language descriptions

Software

  1. Senior Software Engineer, Observability — Together AI · Seed · SF Bay Area · $200K–280K · 48 weeks ago Together AI is a cloud-based platform specializing in artificial intelligence infrastructure and tools
  2. Software Engineer, Research Tools — Anthropic · SF Bay Area · $300K–405K · 48 weeks ago
  3. Software Engineer, Platform (Developer Experience) — Lovable · Series B · Stockholm, SE · 48 weeks ago

Hardware

  1. iOS Engineer, Device Integration — Sesame AI · Series B · SF Bay Area · $175K–280K · 48 weeks ago Sesame Technology is a multifaceted technology company with diverse offerings

Go-to-market

  1. Manager– Growth Sales (AI-Native) — Anthropic · SF Bay Area · $380K–450K · 48 weeks ago
  2. Product Support Specialist — Anthropic · New York · $131K–210K · 48 weeks ago
  3. Insights Strategist — Listen Labs · Series B · SF Bay Area · 48 weeks ago AI-powered platform that conducts automated video and audio interviews to generate customer insights at scale
  4. Sales Development Engineer — Together AI · Seed · SF Bay Area · $90K–150K · 48 weeks ago

Operations

  1. Facilities Maintenance Assistant - Memphis — xAI · Late Stage · Memphis, TN · 48 weeks ago Develops Grok, an AI platform offering reasoning, code, voice, image, and video capabilities through a unified

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