Senior AI LLM Engineer — Open-Weight Fine-Tuning (Remote)

EverAI Limited; United States; Remote; USD 84,000 - 139,000; Full time

Benefits offered by this job

PTO 4 weeks

Health & Wellness support

Learning budget

Company laptop

Job summary

EverAI Limited is hiring for a role shaping AI companionship experiences at consumer scale. You will fine-tune open-weight LLMs and drive production-ready models, collaborating with CTO, Product, Web and DevOps teams.

You’ll work across data, post-training, evals, and model behavior, turning research into real user-ready features. The ideal candidate has hands-on GPU training with PyTorch, Hugging Face, and a track record of deploying AI at scale.

Qualifications

• Post-trained open-weight LLMs for user-facing products.
• Experience where AI was core to product or business.

Responsibilities

• Fine-tune open-weight LLMs using SFT, LoRA/QLoRA and post-training methods.
• Diagnose model failures and turn them into experiments.
• Build training data and evals that shape future training.
• Improve model behavior across personalization and multilingual interactions.
• Ship to production using real user behavior for iterations.
• Speed up the training loop for faster experimentation.

Skills

Python

PyTorch

Hugging Face

AI/LLM deployment

Experiment design

Production readiness

NSFW content handling

Tools

PyTorch

Hugging Face

GPU training

Job description

EverAI Limited is hiring for a role shaping AI companionship experiences at consumer scale. You will fine-tune open-weight LLMs and drive production-ready models, collaborating with CTO, Product, Web and DevOps teams.

You’ll work across data, post-training, evals, and model behavior, turning research into real user-ready features. The ideal candidate has hands-on GPU training with PyTorch, Hugging Face, and a track record of deploying AI at scale.