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Tech Lead role to take the helm of our LLM team and own the architecture, training, and deployment of models that power our core AI companionship platform. Building massive-scale conversational intelligence processing 80 million tokens per day. Role involves solving latency, throughput, and context management challenges at scale, with production focus and nuanced engineering for uncensored/NSFW space.
Job Responsibility:
Ship code and lead from the front as a Player/Coach
Own the core chat loop
Optimize context windows, memory/RAG retrieval, and inference latency
Own the model lifecycle
Drive strategy for SFT and RLHF/DPO
Manage the Data Engine
Architect high-precision moderation
Design and train custom classifiers
Create nuanced, context-aware moderation systems
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 to moderate NSFW content effectively
Intuition for alignment and understanding of LLM physics
Doer mindset valuing velocity
Owner mentality obsessing over metrics and user experience
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)