Research Engineer, Production Model Post-Training
Anthropic · Zürich, CH
CHECKED 2H AGO
Frontier labonsitesenior
At a glance
Highlights
- Train base models through full post-training stack for production Claude.
- Improve production model quality, safety and capabilities at scale.
- Translate emerging alignment research into production-ready implementations.
What they offer
- Competitive compensation and benefits
- Optional equity donation matching
- Generous vacation and parental leave
- Flexible working hours
- Lovely office space for collaboration
Ideal candidate
A senior-minded engineer who thrives in fast-moving chaos and cares deeply about AI safety. You balance research curiosity with operational rigor and enjoy turning alignment ideas into reliable production models.
Requirements
- Strong software engineering skills building complex ML systems
- Experience with large-scale distributed systems and high-performance computing
- Experience training, fine-tuning or evaluating large language models
- Proficiency in Python, deep learning frameworks and distributed computing
- Bachelor's degree or equivalent combination of education and experience
- Ability to balance research exploration with engineering rigor and reliability
- remote policy
- Hybrid: expected in office at least 25% of the time
- visa sponsorship
- We do sponsor visas, with reasonable effort to obtain visa if offered
- hiring process
- All interviews conducted in Python
Lab profile
About Anthropic
AI safety company building reliable, interpretable and steerable frontier AI systems.
What they build
- Claude
- Claude API
- Claude Code
Known for
- AI safety and alignment
- Model interpretability research
- Frontier LLM development
Key facts
- Founded in 2021
- Headquartered in San Francisco, California
- Backed by Amazon and Google