About this role
Applied AI Engineer at Twenty. Location: Arlington, Virginia, United States. Role: create datasets, fine-tune models, develop infrastructure Requirements: 4+ years of professional software development with ML/AI; Python; deep learning frameworks; LLM post-training techniques; databases; data curation; evaluation metrics; AI orchestration; cloud/on-prem; U.S. government security clearance eligibility Category: Software Development Seniority: Mid Level Tools: Python, PyTorch, TensorFlow, JAX, LangChain, LangGraph, CrewAI, Pydantic-AI, RAG, LLM, Docker, Kubernetes, TensorRT, ONNX, pgvector, ChromaDB, Pinecone, Milvus, Weaviate, VLLM, Cloud platforms (AWS, GCP, or Azure) Commitment: Full Time Workplace: Onsite Languages: English