Senior NLP Engineer

Senior NLP Engineer - Social Discovery Group | Built In Senior NLP Engineer Social Discovery Group Senior NLP Engineer Reposted 12 Days Ago 7 Locations In-Office or Remote Senior level Artificial Intelligence • Fintech • Machine Learning • Software • App development • Conversational AI • Generative AI Social Discovery Group (SDG) connects people across cultures online, making virtual intimacy the new normal The Role Train and fine-tune large language models, build and maintain the full LLM stack and agentic pipelines, improve chat/agent algorithms, translate NLP research into roadmap, and collaborate with validation, content, and dataset teams to design experiments and measure model quality. Summary Generated by Built In Social Discovery Group is a group of social discovery companies. SDG solves the problems of loneliness, isolation, and disconnection - transforming virtual intimacy into the new normal. SDG’s products redefine the way people interact and connect with one another. Our portfolio includes social entertainment platforms designed to connect people online across different cultures and regions of the world. We bring together a team of like-minded people and IT professionals who specialize in creating and developing globally impactful social discovery products. Our international team of digital nomads works remotely from all over the world. We’re proud to be a two-time “Great Place to Work” winner (USA & Japan, 2024–2025) and a Top-5 Company for Work-From-Anywhere Jobs (FlexJobs, 2025). We are looking for Senior NLP Engineer. Your main tasks will be: - Train and fine-tune language models powering our AI companions - Own and improve agent harnesses, agentic loops, and the chat interface algorithm - Build and maintain the full LLM stack — from model training to production deployment - Track cutting-edge NLP research and open-source developments; translate them into an NLP roadmap for the ML team - Collaborate closely with the