Senior AI Engineer

This position involves building AI-driven technology solutions from the ground up, requiring a deep grasp of application architecture. The role is part of a marketplace that matches engineers with startup projects in the US and Europe, allowing for a flexible schedule with asynchronous communication options. Candidates must possess at least three years of commercial experience applying AI to practical tech problems. Proficiency in Python is essential, while familiarity with other common AI programming languages is considered an advantage. The job specifically demands two or more years of hands-on work with LangChain, large language models, or vLLMs. Additionally, candidates need two or more years of experience with RAG or OpenAI, along with required knowledge of vector databases such as Pinecone or Weaviate. Advanced English skills are necessary to discuss business tasks, justify technical decisions, and present well during client calls. The working arrangement is fully remote, with no micromanagement or screen tracking tools used by the employer. This role suits senior professionals who thrive in fast-paced startup environments and prefer managing their own workflow without constant oversight. Lemon.io handles client acquisition and rate negotiation, enabling engineers to focus solely on their technical contributions. The platform connects developers from over 75 countries, fostering a diverse professional community.