AI-Driven Backend Senior Engineer, Luzmo

• Luzmo is seeking a highly skilled and hands-on AI Engineer with a strong theoretical background and practical experience in applying AI technologies.
• The ideal candidate holds a Master’s or PhD in AI and has spent time the past 2 years working with Large Language Model (LLM) APIs.
• You will be responsible for designing, developing, and integrating AI-driven solutions into real-world applications, working closely with software engineers, and product teams
• Master’s or PhD in Artificial Intelligence, Computer Science, Machine Learning, or a related field
• Strong understanding of AI concepts, particularly LLMs and their usage in production
• Familiarity with AI/ML frameworks or APIs
• Understanding of performance tuning and cost optimization for AI models
• 3+ years of experience in backend development, preferably with Node.js
• Experience with testing of AI based features
• Experience with cloud platforms (AWS, Google Cloud, or Azure) and containerization (Docker, Kubernetes)
• Working knowledge of SQL and databases (relational and column stores)
• Familiarity with AI ethics, bias mitigation, and explainability in AI models
• Strong problem-solving skills and the ability to work in a fast-paced environment
• Excellent communication and teamwork skills
• Solid English communication skills (written & spoken)

Desirable

• Integrate AI/LLM models into product workflows (OpenAI, Hugging Face, etc.)
• Optimize AI model performance (latency, cost, throughput)
• Design, build, and maintain backend APIs and services using Node.js
• Build internal tools and APIs for experimentation and prototyping
• Ensure system reliability, scalability, and observability
• Stay up to date with the latest advancements in AI/ML (LLMs, vector databases, LangChain, etc.)
• Contribute to architectural decisions around AI infrastructure and backend systems
• Collaborate with cross-functional teams to understand business needs and deliver AI-driven insights