Mid/Senior AI LLM Engineer

🔥 0 minutes ago

🌐 Poland, Portugal – Remote

🇵🇱 Poland – Remote 🇵🇹 Portugal – Remote

💵 €75k - €125k / year

⏰ Full Time

🟠 Senior

🗣️ LLM Engineer

👻 Ghost score 21%

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EverAI

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2023

🤖 Artificial Intelligence

🎮 Gaming

Artificial Intelligence • Gaming • Entertainment

EverAI is a pioneering company specializing in conversational AI that transforms the entertainment landscape. By creating AI experiences for roleplay, gaming, social interactions, and creative writing, EverAI enriches storytelling and gaming with engaging interactions. Their AI companions enhance roleplaying journeys, elevate gaming experiences with dynamic characters, and assist writers with creative suggestions, aiming to revolutionize how stories are told and games are played.

📋 Description

• Fine-tune open-weight LLMs using SFT, LoRA/QLoRA, DPO, and GRPO • Diagnose model failures and turn them into experiments • Decide whether improvements require better data, post-training, prompting, or classifiers • Build training data and evaluations that directly shape future training • Improve model behavior across personalization, consistency, tone, multilingual behavior, and group interactions • Ship models to production and use real user behavior to guide iterations • Speed up the training loop for faster, easier-to-compare, and more reproducible experiments • Collaborate with the AI team, CTO, Product, Web, and DevOps teams • Help improve AI companionship experiences used by more than 50 million users

🎯 Requirements

• Personally post-trained open-weight LLMs for a user-facing product and shipped them to production • Worked where AI was core to the product or business • Fine-tuning is core to your experience • Strong Python, PyTorch, and Hugging Face skills • Hands-on GPU training and debugging experience • Build training data and evaluations independently and make evidence-based decisions • Able to take work beyond notebooks into production • Use AI tools daily in engineering work • Fully comfortable working with uncensored models and explicit NSFW content, including harmful material when developing and evaluating moderation systems • Experience with conversational AI, roleplay products, or highly personalized consumer AI is a bonus • Experience with multilingual LLMs is a bonus • Experience with moderation, safety, or adversarial testing is a bonus • Experience with multimodal models is a bonus • Open-source LLM or post-training contributions are a bonus

🏖️ Benefits

• 4 weeks (20 working days) of paid time off per year • Fully remote work arrangement • Annual in-person meetup • Monthly allowance of 100 USD for health insurance expenses • Unlimited 1:1 sessions with psychologists and lifestyle experts through OpenUp, also available to up to three family members • Co-working space budget up to twice per month (35 EUR / 40 USD per visit) • Learning budget for courses, books, conferences, events, or certifications • Company laptop • Monitor budget up to 250 USD • Keyboard, mouse, microphone, and headphones budget up to 150 USD • Premium access to ChatGPT, Hugging Face, Claude Code, and other required tools • Compensation range includes any applicable target bonus

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