Weekly digest
Week of 8 December 2025
30 new roles this week across 9 companies; the biggest movers: K2 Space (+15), Anthropic (+3), OpenAI (+2).
Research
- Research Engineer, Cybersecurity RL (Reinforcement Learning) — Anthropic Develops Claude, an AI assistant, with research focused on AI safety and alignment
ML engineering
- Computer Vision AI & ML Engineer — Skild AI Builds foundation models for general-purpose robots that adapt across hardware and tasks
- Inference Intern — Etched Etched.ai is a technology startup developing specialized hardware for large language model (LLM) inference
Applied AI
- Forward Deployed Software Engineer - NYC — OpenAI Develops AI systems including large language models like ChatGPT for research and commercial use
Infrastructure
- Staff Software Security Engineer — Anthropic
- Senior Embedded Performance Engineer — Fractile Builds specialized processors that fuse computation with memory to run large language models up to 25x faster
- Senior Embedded Performance Engineer — Fractile
- Software Engineer, Infrastructure — xDOF XDOF is the infrastructure partner for the world's most ambitious robotics builders
Software
- Principal Flight Software Engineer — K2 Space Builds high-power satellite buses designed for LEO, MEO, and GEO missions with 10x more power than constellati
- Senior Vehicle & Mission Operations Engineer — K2 Space
- Software Engineer, Labs — Anthropic
- Software Engineer, Monetization Delivery — OpenAI
- Vehicle & Mission Operations Engineer — K2 Space
Hardware
- Member of Technical Staff, Robotics — xDOF
- Senior Avionics Systems Engineer — K2 Space
- Senior Mechanisms Engineer — K2 Space
- Senior Tooling Engineer — K2 Space
- Avionics Systems Engineer — K2 Space
- Avionics Test Engineer — K2 Space
- Integration & Test Engineer — K2 Space
- Mission Payload Engineer (TS//SCI) — K2 Space
- Power Electronics Engineer — K2 Space
- Propulsion Mechanical Design Engineer — K2 Space
- Satellite Mechanical Engineer — K2 Space
- Tooling Engineer — K2 Space
Design
Go-to-market
- Sales Manager - AI Native — Baseten Platform for deploying and serving machine learning models with high-performance inference at scale
- Strategic Account Executive — Serval AI-powered enterprise service management platform that automates employee requests, onboarding, and IT operati
Operations
Every line links to the role on Liftoff Jobs, and from there to the company's own board. · Past issues · Search the whole index
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