RT
Mid/Senior AI LLM Engineer – Remote (Europe)
RMG Talent
Contract type
Freelance
Work mode
Remote · Europe
Experience
Senior · Not stated
Level inferred from job title
Job description
A hands-on Mid/Senior AI LLM Engineer role focused on improving self-hosted open-weight large language models that power consumer-facing conversational AI products. The engineer owns the full post-training loop from data and training to evaluation and deployment.
At a glance
- Employment
- Independent contractor
- Work mode
- Remote · Europe
- Pay
- EUR 80,000 – 120,000 / year
What you'll do
- Fine-tune and post-train open-weight language models and deploy them into production
- Work on long-context consistency, personalization, multilingual quality, group chat and better model evaluation
- Debug and optimise GPU training workloads
- Measure and ship improvements for consumer-facing conversational AI products
- Contribute to ongoing moderation and safety evaluations
What we're looking for
- Hands-on experience fine-tuning open-weight language models and deploying them into production
- Strong Python skills
- Practical experience with PyTorch and Hugging Face
- Experience with supervised fine-tuning and LoRA/QLoRA
- Familiarity with preference-based training methods such as DPO or GRPO
- Practical GPU training and debugging experience
- Ability to build training datasets and evaluate model performance independently
- Experience working on consumer-facing AI products
- Comfortable working with unrestricted AI models and adult content as part of the product, including sensitive moderation material
- A hands-on engineering profile - not an AI researcher and not a developer who simply connects to ChatGPT APIs
Benefits
- Fully remote working within Europe
- Long-term collaboration, with B2B contracting preferred
- 20 working days of paid leave
- $100 monthly health insurance allowance
- Equipment budget
- Access to AI development tools
- Learning and development support
- Annual team gathering
- Opportunity to work on self-hosted LLMs powering consumer-facing AI products