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# Mid/Senior AI LLM Engineer (Full Remote - Europe)

- **Company:** EverAI Limited LLC
- **Location:** United States (Remote available)
- **Experience:** Experienced
- **Salary:** $75,000.0 - $125,000.0
- **Contract:** Permanent contract
- **Skills:** Training Data, Artificial Intelligence, Software Debugging, Fuzz Testing, Python (Programming Language), Open Source Technology, QLoRA, Chatbots, Pytorch, Large Language Models, Claude Code, HuggingFace, GPT
- **Published:** October 22, 2026
- **Apply:** https://arc.dev/remote-jobs/j/redirect/pthlv82j8h

## About the Role

* You've personally post-trained open-weight LLMs for a user-facing product and shipped them to production
 * You've worked where AI was core to the product or business, not an experimental side feature
 * Fine-tuning is core to your experience
 * Strong Python, PyTorch and Hugging Face, with hands-on GPU training and debugging
 * You build data and evals yourself and make decisions from evidence
 * You can take work beyond notebooks into production
 * You use AI tools daily in your own engineering work
 * You are fully comfortable working with uncensored models and explicit NSFW content, including harmful material when developing and evaluating moderation system

Bonus points

 * Experience with conversational AI, roleplay products, or highly personalized consumer AI
 * Multilingual LLMs
 * Moderation, safety, or adversarial testing
 * Multimodal models
 * Open-source LLM / post-training contributions

## Description

* Fine-tune open-weight LLMs using SFT, LoRA/QLoRA and post-training methods such as DPO and GRPO
 * Diagnose model failures and turn them into experiments. Decide whether the answer is better data, post-training, prompting or classifiers
 * Build training data and evals that directly shape what gets trained next
 * Improve model behavior across personalization, consistency, tone, multilingual and group interactions
 * Ship to production and use real user behavior to guide the next iteration
 * Speed up the training loop so experiments are faster, easier to compare, and more reproducible, ️ Health & Wellness Support: Monthly allowance of 100 USD for health insurance expenses & access to unlimited 1:1 sessions with psychologists and lifestyle experts through OpenUp (also available to up to three of your family members)

Co-Working Space Budget: Work from a co-working space up to twice per month (35 EUR / 40 USD per visit) to stay inspired and connected

Learning Budget: Dedicated funds to support your professional growth: courses, books, conferences, events, or certifications

Company Laptop & Equipment: Laptop provided + monitor budget up to 250 USD + keyboard/mouse/mic/headphones budget up to 150 USD

AI Tools Access: Premium access to ChatGPT, Hugging Face, Claude Code, and any other tool needed to excel at your job, power your ideas and workflows