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Tech Lead to take the helm of our LLM team (currently 3 engineers) and own the architecture, training, and deployment of the models that power our core product. Building a massive-scale conversational intelligence for an AI companionship platform processing 80 million tokens per day.
Job Responsibility:
Ship code & lead from the front
Act as a Player/Coach
Own the core chat loop
Own the model lifecycle
Drive strategy for SFT and RLHF/DPO
Manage the Data Engine
Architect high-precision moderation
Design and train custom classifiers
Requirements:
8+ years of engineering experience
Significant portion dedicated to shipping ML/LLM features to millions of active users
Proficient in Python/PyTorch
Comfortable with modern LLM stack (vLLM, HuggingFace, fine-tuning pipelines, eval frameworks)
Comfortable working with NSFW content
Understand technical rigor required for moderation
Intuition for LLM alignment
Doer mindset
Owner mentality
What we offer:
Fully remote work
4 weeks (20 working days) of PTO per year
Annual in-person gathering
Up to $200 per year for wellbeing expenses
Unlimited 1:1 sessions with psychologists and lifestyle experts through OpenUp
Co-working space budget up to 35 EUR / 40 USD per visit twice per month
Learning budget for professional growth
Company laptop provided
Monitor budget up to $250
Premium access to AI tools (ChatGPT, Cursor, Hugging Face)