Weekly digest
Week of 5 January 2026
26 new roles this week across 13 companies; the biggest movers: OpenAI (+5), Anthropic (+4), WithCoverage (+3).
Research
- Researcher, Synthetic RL — OpenAI Develops AI systems including large language models like ChatGPT for research and commercial use
ML engineering
- Member of Technical Staff - Data Quality Engineer (Post-training) — Reflection AI Builds open AI models that enable anyone to control and shape intelligent systems
- Software Engineer - Model Performance Systems — Baseten Platform for deploying and serving machine learning models with high-performance inference at scale
Applied AI
- Applied AI Engineer, Enterprise Tech — Anthropic Develops Claude, an AI assistant, with research focused on AI safety and alignment
- Applied AI Engineer — OpenAI
Infrastructure
- Software Engineer, Security — Sierra Conversational AI platform that deploys customized agents across chat, voice, email, and SMS for customer supp
Data
- Member of Technical Staff - Data Quality Engineer (Pre-training) — Reflection AI
- AI Tutor - Writing — xAI Develops Grok, an AI platform offering reasoning, code, voice, image, and video capabilities through a unified
Software
- Staff+ Software Engineer, Cybersecurity Products — Anthropic
- Member of Technical Staff - Product (Backend) — Modal Modal is a cloud-based serverless computing platform designed for data science and machine learning teams
- Senior Backend Software Engineer, AI Observability & Evals Platform (SF) — LangChain Framework and platform for building, testing, deploying, and monitoring LLM-powered agents
- Software Engineer, Codex Enterprise — OpenAI
- Software Engineer, Cooperative AI — OpenAI
- Software Engineer, Monetization Product & Platform — OpenAI
- Enterprise Engineer — Cartesia Real-time speech and transcription models for voice agents with low-latency State Space Model architecture
- Pipeline Engineer (Graphics/3D) — World Labs Builds 3D world generation models that create spatially consistent environments from text, images, and video
Hardware
- Commissioning Master Mariner, Marauder — Saronic Saronic Technologies develops advanced autonomous surface vessels for naval and maritime applications
- Commissioning Mate, Marauder — Saronic
Go-to-market
- Strategic Account Executive, Asset & Wealth Management — Anthropic
- Strategic Account Executive, Banking — Anthropic
- AVP, Growth — WithCoverage Digital platform for managing insurance policies, claims, and risk for CPG brands and growing businesses
- Business Development Representative — WithCoverage
Operations
- Senior Technical Recruiter — Goodfire Goodfire is a San Francisco-based public benefit corporation focused on AI interpretability and safety
- Talent Partner, GTM — Modal
- Technical Recruiter — Sierra
- AVP, P&C — WithCoverage
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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