Tech Lead, LLM & Generative AI (Full Remote - Europe)
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Leading LLM engineering team for AI companionship platform processing 80M tokens/day. Optimizing context windows, memory/RAG retrieval, inference latency. Driving SFT and RLHF/DPO model lifecycle. Architecting RAG pipelines.
About the Role
Tech Lead, LLM & Generative AI (Full Remote - Europe)
Company: EverAI
Location: Full Remote - Europe (CET timezone required, Monday-Friday)
Employment Type: Full-time (B2B contract preferred, flexible)
Posted: November 26, 2025
About EverAI:
EverAI operates the world's largest AI companionship platform with 50 million users, described as one of the Top 15 Largest & Fastest-Growing AI Companies in the World. Backed by experienced founders with IPO/exit track records. The platform processes 80 million tokens per day and growing.
About the Role:
This is a hands-on technical leadership position (player-coach) managing a 3-engineer LLM team. The role involves architecting, training, and deploying models with significant coding time.
Key Responsibilities:
- Ship Code & Lead from the Front:
- Act as player-coach writing production code
- Own the core chat loop: optimize context windows, memory/RAG retrieval, inference latency
- Architect inference optimization for latency/throughput
- Own the Model Lifecycle:
- Drive strategy for SFT (Supervised Fine-Tuning) and RLHF/DPO preference optimization
- Oversee dataset sourcing, labeling, and cleaning for model steerability
- Decide when to architect a new RAG pipeline
- Architect High-Precision Moderation:
- Design sophisticated classifiers for detecting non-consensual/illegal content
- Build nuanced, context-aware moderation systems beyond binary safe/unsafe flags
Required Qualifications:
- 8+ years engineering experience shipping ML/LLM features to millions of users
- Proficiency in Python, PyTorch, vLLM, HuggingFace, fine-tuning pipelines, eval frameworks
- Comfortable working with NSFW content and understanding moderation rigor
- Alignment intuition: grasp how prompt conditioning, temperature, and sampling affect chatbot behavior
- Production velocity mindset; distinguish between academic vs. shippable solutions
Compensation & Benefits:
- Salary: $50,000-$180,000+ USD annually (including equity)
- Fully remote (Europe-based, CET hours)
- 4 weeks PTO annually
- $100 USD/month health allowance + unlimited psychology/wellness sessions
- Learning/professional development budget
- Company laptop + $250 monitor budget
- Co-working budget
- Premium ChatGPT, Cursor, HuggingFace access
- Annual in-person gathering
Application Requirements: LinkedIn, GitHub profiles, resume, behavioral questions.